• 396.50 KB
  • 119页

道路施工组织设计项目可行性报告

  • 119页
  • 当前文档由用户上传发布,收益归属用户
  1. 1、本文档共5页,可阅读全部内容。
  2. 2、本文档内容版权归属内容提供方,所产生的收益全部归内容提供方所有。如果您对本文有版权争议,可选择认领,认领后既往收益都归您。
  3. 3、本文档由用户上传,本站不保证质量和数量令人满意,可能有诸多瑕疵,付费之前,请仔细先通过免费阅读内容等途径辨别内容交易风险。如存在严重挂羊头卖狗肉之情形,可联系本站下载客服投诉处理。
  4. 文档侵权举报电话:19940600175。
'道路施工组织设计项目可行性报告attentiontoimprovingthequalityandefficiencyofdevelopmentandpaymoreattentiontosecurityandreformthepeople"slivelihood,morefocusonmaintainingsocialharmonyandstability,andpromotethedevelopmentoftownshipeconomyinabetterandfaster,createanewnormalXXdevelopmentandlayamoresolidfoundationforXXbuildawell-offsociety.Completedtasksthisyear,wemustalwayspayspecialattentiontotheprimarytaskofdevelopment.XXweakeconomicbase,lowlevelsofdevelopment,economicconstructionistheCenter,wehavetocreateconditionsforfastereconomicdevelopment,accumulatingmorewealth,betterpeople"slives.Effortshouldbemadetothisyear"seconomicgrowth,revenuegrowth,peoplehavemaintainedahighrateofincomegrowth,GDPgrowthofmorethan15percentrespectively.Alwaysgraspthefundamentalimpetusforreform.Wearenow"nosoldiersbehind"manyindicatorsrankedinthebottomofthecountyfromgettingbigger.Onlybygoingallouttohardwork,hardwork,innovation,reformdoesnotadapttoinstitutionalmechanisms,practices,itispossibletochangethefaceofXXpoor,intoawell-offsocietytogetherwithpeopleacrossthecountry.Wewanttobreaktheoldpatternsofthinking,methodsandorganizationofwork,bravelyandboldlyinto,makingfulluseofalltheadvantages,comprehensivereforms,tomakeallitsvitalityfordevelopmentimpulse,letfullplaytoallsourcesofwealthcreation.Shouldalwaysstability119 第一章编制说明及工程概况第一节 总则一、编制范围国道324线集美段起点于同安区与集美区交界处,路线由东至西走向,依次经过碗瑶、坂头、寿边、苏营、新村、洋宅社、顶许、李林、上塘(灌口镇中心)、深青、凤山等村庄后,终点位于集美区与海沧区交界处,桩号以现状国道中心线进行拟合并进行部分偏移改线,集美段桩号为K0+000~K13+758.155,集美行政区域内路线全长13.758km。本项目施工范围起点位于同安区与集美区交界处(桩号K0+000),终点位于现状国道324线后溪坂头大桥西侧桥头处(桩号K3+100),路线由东至西走向,依次经过碗瑶村、31军军部门口、寿边村和坂头大桥,路线全长3.1km,现状路基宽度23m,改造后道路主车道宽23m(双向6车道)、辅道宽7m,路幅总宽50m,新建及保留现状车行道均为沥青混凝土路面城市主干道。二、编制依据1、国道324线(坂头段)市政化改造工程施工设计图;2、国道324线(坂头段)市政化改造工程招标文件;3、答疑纪要、工程量清单等;4、《公路路基施工技术规范》JTGF10-2006;5、《公路工程质量检验评定标准》(机电工程)(JTGF80/2—2004);6、《公路工程质量检验评定标准》(土建工程)(JTGF80/1—2004);7、《公路工程施工安全技术规程》JTJ076-95;attentiontoimprovingthequalityandefficiencyofdevelopmentandpaymoreattentiontosecurityandreformthepeople"slivelihood,morefocusonmaintainingsocialharmonyandstability,andpromotethedevelopmentoftownshipeconomyinabetterandfaster,createanewnormalXXdevelopmentandlayamoresolidfoundationforXXbuildawell-offsociety.Completedtasksthisyear,wemustalwayspayspecialattentiontotheprimarytaskofdevelopment.XXweakeconomicbase,lowlevelsofdevelopment,economicconstructionistheCenter,wehavetocreateconditionsforfastereconomicdevelopment,accumulatingmorewealth,betterpeople"slives.Effortshouldbemadetothisyear"seconomicgrowth,revenuegrowth,peoplehavemaintainedahighrateofincomegrowth,GDPgrowthofmorethan15percentrespectively.Alwaysgraspthefundamentalimpetusforreform.Wearenow"nosoldiersbehind"manyindicatorsrankedinthebottomofthecountyfromgettingbigger.Onlybygoingallouttohardwork,hardwork,innovation,reformdoesnotadapttoinstitutionalmechanisms,practices,itispossibletochangethefaceofXXpoor,intoawell-offsocietytogetherwithpeopleacrossthecountry.Wewanttobreaktheoldpatternsofthinking,methodsandorganizationofwork,bravelyandboldlyinto,makingfulluseofalltheadvantages,comprehensivereforms,tomakeallitsvitalityfordevelopmentimpulse,letfullplaytoallsourcesofwealthcreation.Shouldalwaysstability119 8、《公路土工试验规程》JTGE40-2007;9、《公路桥涵施工技术规范》JTG/TF50-2011;10、《地下防水工程质量验收规范》GB50208-2011;11、《建筑基坑支护技术规程》JGJ120-99;12、《公路工程混凝土机构防腐蚀技术规范》JTG/TB07-01-2006;13、《市政排水管道工程及附属设施》06MS201;14、我单位既有的路基、桥涵施工机械设备和施工材料;15、近年来我单位施工的同类工程施工经验及施工技术;16、有关xx市的水文、气象资料;17、有关xx市建设工程现场文明施工管理办法,以及xx市建设工程文明施工标准;18、本工程工期要求三、编制原则1、遵循与设计、规范和验收保持一致的原则。在编写施工工艺时,严格按设计要求,认真执行现行施工技术规范和验收标准,确保工程质量。2、坚持实事求是的原则。在制订本施工组织设计时,根据我公司施工经验和管理水平,坚持科学组织,合理安排,均衡生产,确保优质、高效地完成工程施工。3、坚持施工全过程、全方位严格管理的原则。在每道工序施工中,加大自检自查力度,严格执行监理工程师的指令,尊重并服从监理意见,严格管理。4attentiontoimprovingthequalityandefficiencyofdevelopmentandpaymoreattentiontosecurityandreformthepeople"slivelihood,morefocusonmaintainingsocialharmonyandstability,andpromotethedevelopmentoftownshipeconomyinabetterandfaster,createanewnormalXXdevelopmentandlayamoresolidfoundationforXXbuildawell-offsociety.Completedtasksthisyear,wemustalwayspayspecialattentiontotheprimarytaskofdevelopment.XXweakeconomicbase,lowlevelsofdevelopment,economicconstructionistheCenter,wehavetocreateconditionsforfastereconomicdevelopment,accumulatingmorewealth,betterpeople"slives.Effortshouldbemadetothisyear"seconomicgrowth,revenuegrowth,peoplehavemaintainedahighrateofincomegrowth,GDPgrowthofmorethan15percentrespectively.Alwaysgraspthefundamentalimpetusforreform.Wearenow"nosoldiersbehind"manyindicatorsrankedinthebottomofthecountyfromgettingbigger.Onlybygoingallouttohardwork,hardwork,innovation,reformdoesnotadapttoinstitutionalmechanisms,practices,itispossibletochangethefaceofXXpoor,intoawell-offsocietytogetherwithpeopleacrossthecountry.Wewanttobreaktheoldpatternsofthinking,methodsandorganizationofwork,bravelyandboldlyinto,makingfulluseofalltheadvantages,comprehensivereforms,tomakeallitsvitalityfordevelopmentimpulse,letfullplaytoallsourcesofwealthcreation.Shouldalwaysstability119 、坚持专业化作业与综合管理的原则。在工程组织实施的过程中,以专业队为基本作业单元,充分发挥人员和设备的优势,同时采取综合管理手段合理调配,以达到整体优化的目的。第二节 工程概述一、工程地质1、道路现状及沿线地形、地貌本项目为现状地理拓宽,现状国道324线为二级公路,路基标准横断面宽度为23m,路面宽为22m,双向四车道+硬路肩紧急停车带,现状路面结构为水泥混凝土加铺沥青路面结构,加铺改造于2011年03月完成并通车。路线原设计标准为二级公路,现状国道路线平面线形较顺,纵断起伏频繁,且局部路段纵坡度较大(最大5.04%)。沿线场地原始地貌跨越冲洪积阶地、山前坡洪积阶地、残丘坡地等地貌单元。沿线地形起伏变化较大,地势整体由较高处的丘陵山地向残丘坡地及坡洪积阶地、冲洪积阶地倾斜,主要分布有林地、果园、耕地,以及高压电塔、电线杆、沿街建筑及民房等。2、地层岩性根据《工程地质勘察报告》,拟建场地岩土体的分布及特征由上至下分述如下:1.填筑土attentiontoimprovingthequalityandefficiencyofdevelopmentandpaymoreattentiontosecurityandreformthepeople"slivelihood,morefocusonmaintainingsocialharmonyandstability,andpromotethedevelopmentoftownshipeconomyinabetterandfaster,createanewnormalXXdevelopmentandlayamoresolidfoundationforXXbuildawell-offsociety.Completedtasksthisyear,wemustalwayspayspecialattentiontotheprimarytaskofdevelopment.XXweakeconomicbase,lowlevelsofdevelopment,economicconstructionistheCenter,wehavetocreateconditionsforfastereconomicdevelopment,accumulatingmorewealth,betterpeople"slives.Effortshouldbemadetothisyear"seconomicgrowth,revenuegrowth,peoplehavemaintainedahighrateofincomegrowth,GDPgrowthofmorethan15percentrespectively.Alwaysgraspthefundamentalimpetusforreform.Wearenow"nosoldiersbehind"manyindicatorsrankedinthebottomofthecountyfromgettingbigger.Onlybygoingallouttohardwork,hardwork,innovation,reformdoesnotadapttoinstitutionalmechanisms,practices,itispossibletochangethefaceofXXpoor,intoawell-offsocietytogetherwithpeopleacrossthecountry.Wewanttobreaktheoldpatternsofthinking,methodsandorganizationofwork,bravelyandboldlyinto,makingfulluseofalltheadvantages,comprehensivereforms,tomakeallitsvitalityfordevelopmentimpulse,letfullplaytoallsourcesofwealthcreation.Shouldalwaysstability119 (1)素填土:拟建场区大面积分布,厚度变化较大约0.3~2.8m。整体呈灰褐、褐黄色,成分主要由粘性土构成,局部含有少量碎石等。该层回填时间一般较长约5~10年左右,部分分布于既有道路,有经一定的压实处理,可呈稍密状,但分布于既有绿化带路段,压实度则一般~较差。该层各路段回填时间及压实情况不同,其密实度不一,均匀性总体仍较差,力学强度低,局部尚可为欠固结土。(2)杂填土:沿线零星分布,揭露厚度0.5~5.4m。呈灰褐等杂色,松散状,稍湿,成分主要由粘性土及碎砖、碎石等建筑垃圾和少量生活垃圾构成。其回填时间长短不一,且未经专门压实处理,多未完成自重固结,总体属欠固结土,力学强度较低。2.粉质粘土:该层沿线仅少量钻孔有揭露,其顶板埋深为0.7~8.8m,揭露厚度1.1~1.8m。呈灰褐、浅灰黑色等色,可塑状为主,成分主要由粘性土构成,含砂量约占10~20%不等,原状芯样摇震无反应,切面稍有光泽,干强度及韧性中等,该层力学强度一般。3.中粗砂:该层沿线主要揭露于冲洪积阶地的部分路段,顶板埋深2.2~4.7,厚度一般为1.1~3.1m。呈灰黄、灰色,稍密状为主,成分主要由中粗粒石英砂为主,泥质含量约占10~15%,局部含约5%左右砾石,颗粒级配较好,均匀性较差。该层力学强度一般。4.粉质粘土:该层沿线主要揭露于冲洪积阶地路段,其顶板埋深为0.3~5.4m,厚度变化较大为0.9~5.9m。呈灰黄、灰白色为主,可塑状,成分主要由粘性土构成,含砂量约15~20%不等,局部含较多高岭土,原状芯样摇震无反应,切面稍有光泽,干强度及韧性中等,该层力学强度一般。attentiontoimprovingthequalityandefficiencyofdevelopmentandpaymoreattentiontosecurityandreformthepeople"slivelihood,morefocusonmaintainingsocialharmonyandstability,andpromotethedevelopmentoftownshipeconomyinabetterandfaster,createanewnormalXXdevelopmentandlayamoresolidfoundationforXXbuildawell-offsociety.Completedtasksthisyear,wemustalwayspayspecialattentiontotheprimarytaskofdevelopment.XXweakeconomicbase,lowlevelsofdevelopment,economicconstructionistheCenter,wehavetocreateconditionsforfastereconomicdevelopment,accumulatingmorewealth,betterpeople"slives.Effortshouldbemadetothisyear"seconomicgrowth,revenuegrowth,peoplehavemaintainedahighrateofincomegrowth,GDPgrowthofmorethan15percentrespectively.Alwaysgraspthefundamentalimpetusforreform.Wearenow"nosoldiersbehind"manyindicatorsrankedinthebottomofthecountyfromgettingbigger.Onlybygoingallouttohardwork,hardwork,innovation,reformdoesnotadapttoinstitutionalmechanisms,practices,itispossibletochangethefaceofXXpoor,intoawell-offsocietytogetherwithpeopleacrossthecountry.Wewanttobreaktheoldpatternsofthinking,methodsandorganizationofwork,bravelyandboldlyinto,makingfulluseofalltheadvantages,comprehensivereforms,tomakeallitsvitalityfordevelopmentimpulse,letfullplaytoallsourcesofwealthcreation.Shouldalwaysstability119 5.卵石:该层主要揭露于溪段附近,其顶板埋深0.0~8.3m,厚度变化较大为1.4~7.8m。灰黄色为主,呈中~密实度,成分主要由粗砾粒石英砂颗粒构成,砾卵石含量约占20~40%范围,泥质含量约占5~10%,颗粒级配较好,均匀性差,该层力学强度较高。6.粉质粘土:该层沿线主要揭露于残丘坡地与冲洪积阶地交接路段,其顶板埋深0.4~2.7m,厚度1.6~5.0m。上部多呈灰红,下部多呈灰黄、灰白色,可塑状,成分主要由粘性土构成,含砂量约15~25%,部分孔段含砂量增大,可相变为砂质粘土或轻砂质粘土,原状芯样摇震无反应,切面稍有光滑,干强度及韧性中等。该层力学强度一般~较差。7.中粗砂:该层沿线主要揭露于冲洪积阶地路段钻孔,顶板埋深0.5~7.8m,厚度一般为0.8~6.2m。灰白、灰黄色,呈稍-中密状为主,成分主要由中粗粒石英砂为主,泥质含量约占10~15%,颗粒级配较好,均匀性较差。该层力学强度一般。8.粉质粘土:该层沿线主要分布于残丘坡地路段,顶板埋深0.0~1.1m,顶板标高16.95~81.67m,厚度变化较大为0.9~4.3m。呈棕红色为主,可~硬塑状,成分主要由粘性土构成,见有少量铁锰质结核,含砂量约25~30%,原状芯样摇震无反应,切面稍有光滑,干强度及韧性中等。该层力学强度一般~较高。9.残积砂质粘性土:该层沿线多有揭露,其顶板埋深1.6~11.3m,揭露厚度变化较大为1.3~7.6m(部分未揭穿)。呈灰白、灰黄等花斑色,可塑状为主。成分主要由长石风化而成的粘、粉粒、石英颗粒及少量云母碎屑等组成,〉2mm是石英颗粒一般为7.0~19.2%(颗分结果),原状芯样摇震无反应,切面稍有光滑,干强度及韧性中等。系花岗岩风化残积而成。该层天然状态下力学强度一般~较高,但该层属特殊性土,具有泡水易软化、崩解的不良特性。attentiontoimprovingthequalityandefficiencyofdevelopmentandpaymoreattentiontosecurityandreformthepeople"slivelihood,morefocusonmaintainingsocialharmonyandstability,andpromotethedevelopmentoftownshipeconomyinabetterandfaster,createanewnormalXXdevelopmentandlayamoresolidfoundationforXXbuildawell-offsociety.Completedtasksthisyear,wemustalwayspayspecialattentiontotheprimarytaskofdevelopment.XXweakeconomicbase,lowlevelsofdevelopment,economicconstructionistheCenter,wehavetocreateconditionsforfastereconomicdevelopment,accumulatingmorewealth,betterpeople"slives.Effortshouldbemadetothisyear"seconomicgrowth,revenuegrowth,peoplehavemaintainedahighrateofincomegrowth,GDPgrowthofmorethan15percentrespectively.Alwaysgraspthefundamentalimpetusforreform.Wearenow"nosoldiersbehind"manyindicatorsrankedinthebottomofthecountyfromgettingbigger.Onlybygoingallouttohardwork,hardwork,innovation,reformdoesnotadapttoinstitutionalmechanisms,practices,itispossibletochangethefaceofXXpoor,intoawell-offsocietytogetherwithpeopleacrossthecountry.Wewanttobreaktheoldpatternsofthinking,methodsandorganizationofwork,bravelyandboldlyinto,makingfulluseofalltheadvantages,comprehensivereforms,tomakeallitsvitalityfordevelopmentimpulse,letfullplaytoallsourcesofwealthcreation.Shouldalwaysstability119 10.全风化花岗岩:该层沿线钻孔多有揭露,其顶板埋深为0.0~14.3m,揭露厚度1.3~7.3m。呈灰白、灰黄等色,主要成分为长石、石英,长石大部分已高岭土化,为土状结构,岩体极破碎,属极软石,岩体基本质量等级为Ⅴ级。压缩性低,力学强度较高,该层与残积土呈渐变关系,亦具有泡水易软化、崩解的不良性质。11.强风化花岗岩:该层根据其风化程度不同,可分为以下两个亚类:(1)沙砾状强风化花岗岩:该层沿线部分钻孔有揭露,其顶板埋深0.0~18.6m,揭露厚度变化较大为0.3~15.8m(大部分未揭露)。呈灰白、褐黄色,原岩矿物中长石少量分化变异,岩芯呈砂砾为主,泡水较易软化,为散体状结构。该层岩石质量指标属较差的,属极软岩,岩石完整程度属极破碎,岩石基本质量等级属Ⅴ类。力学强度较高,该层性能较好。(2)碎块状强风化花岗岩:该层主要揭露于桥梁及丘陵山地路段钻孔,其顶板埋深0.3~29.5m,揭露厚度0.2~17.6m。呈灰黄、浅灰等色,岩体极破碎,为破碎状结构,岩芯呈破碎状,手折可断,岩石点荷载抗压强度R=8.9~13.2Mpa,属软~较软岩,岩体基本质量等级为Ⅴ级,压缩性低,力学强度较高,工程性能较好。但该层与砂状强风化仍呈渐变过度关系,无明显界线。12.中风化花岗岩:该层主要揭露于桥梁及丘陵山地路段钻孔,其顶板深度1.6~35.8m,揭露厚度2.9~12.9m(均未揭穿)。该层呈浅灰黄、灰白色为主,岩石结构整体较破碎~较完整,裂缝较发育~发育一般,岩芯呈短柱状为主,部分碎裂状,多属裂缝块状~攘嵌碎裂状结构,RQD多在50~70%范围,属较硬岩。岩石饱和抗压强度为41.3~57.4Mpa,力学强度高,工程性能好。attentiontoimprovingthequalityandefficiencyofdevelopmentandpaymoreattentiontosecurityandreformthepeople"slivelihood,morefocusonmaintainingsocialharmonyandstability,andpromotethedevelopmentoftownshipeconomyinabetterandfaster,createanewnormalXXdevelopmentandlayamoresolidfoundationforXXbuildawell-offsociety.Completedtasksthisyear,wemustalwayspayspecialattentiontotheprimarytaskofdevelopment.XXweakeconomicbase,lowlevelsofdevelopment,economicconstructionistheCenter,wehavetocreateconditionsforfastereconomicdevelopment,accumulatingmorewealth,betterpeople"slives.Effortshouldbemadetothisyear"seconomicgrowth,revenuegrowth,peoplehavemaintainedahighrateofincomegrowth,GDPgrowthofmorethan15percentrespectively.Alwaysgraspthefundamentalimpetusforreform.Wearenow"nosoldiersbehind"manyindicatorsrankedinthebottomofthecountyfromgettingbigger.Onlybygoingallouttohardwork,hardwork,innovation,reformdoesnotadapttoinstitutionalmechanisms,practices,itispossibletochangethefaceofXXpoor,intoawell-offsocietytogetherwithpeopleacrossthecountry.Wewanttobreaktheoldpatternsofthinking,methodsandorganizationofwork,bravelyandboldlyinto,makingfulluseofalltheadvantages,comprehensivereforms,tomakeallitsvitalityfordevelopmentimpulse,letfullplaytoallsourcesofwealthcreation.Shouldalwaysstability119 4、不良地质及特殊岩土现象(1)不良地质道路范围内不良地质主要为粘土泡水软化、液化。段内呈透镜状分布的中细砂呈松散、饱和状,该段内中细砂层具粘土软化、液化。工程建设应充分考虑粘土软化、液化对工程的危害性。(2)特殊岩土场内特殊岩土主要为素填土、杂填土,土质不均,局部呈现建筑垃圾、生活垃圾,厚度0.5~5.4m。该土层广泛分布于沿线,该类填土具有低压实度、低强度、欠固结、和饱水性等特性,其物理力学指标较低;其次为垃圾场之弃填土,作为地基力学性质差。4、水文地质条件(1)地表水拟建工程场区地表水主要表现为沿线零星分布的池塘、沟渠及溪,其水位及水量受大气降水及上游水库泄洪影响变化较大,据了解地表水年水位最大变幅约在1~4m范围。沿线地表水体对混凝土结构具微腐蚀性,在长期浸水条件下对钢筋混凝土中的钢筋具微腐蚀性,在地下水位变动带对钢筋混凝土中的钢筋具弱腐蚀性。(2)地下水①attentiontoimprovingthequalityandefficiencyofdevelopmentandpaymoreattentiontosecurityandreformthepeople"slivelihood,morefocusonmaintainingsocialharmonyandstability,andpromotethedevelopmentoftownshipeconomyinabetterandfaster,createanewnormalXXdevelopmentandlayamoresolidfoundationforXXbuildawell-offsociety.Completedtasksthisyear,wemustalwayspayspecialattentiontotheprimarytaskofdevelopment.XXweakeconomicbase,lowlevelsofdevelopment,economicconstructionistheCenter,wehavetocreateconditionsforfastereconomicdevelopment,accumulatingmorewealth,betterpeople"slives.Effortshouldbemadetothisyear"seconomicgrowth,revenuegrowth,peoplehavemaintainedahighrateofincomegrowth,GDPgrowthofmorethan15percentrespectively.Alwaysgraspthefundamentalimpetusforreform.Wearenow"nosoldiersbehind"manyindicatorsrankedinthebottomofthecountyfromgettingbigger.Onlybygoingallouttohardwork,hardwork,innovation,reformdoesnotadapttoinstitutionalmechanisms,practices,itispossibletochangethefaceofXXpoor,intoawell-offsocietytogetherwithpeopleacrossthecountry.Wewanttobreaktheoldpatternsofthinking,methodsandorganizationofwork,bravelyandboldlyinto,makingfulluseofalltheadvantages,comprehensivereforms,tomakeallitsvitalityfordevelopmentimpulse,letfullplaytoallsourcesofwealthcreation.Shouldalwaysstability119 地下水类型及含水岩组特性:拟建工程场区地下水主要赋存和运移于填筑土、中粗砂、卵石的孔隙(属孔隙潜水或孔隙承压水),残积土、全风化岩、砂砾状强风化岩的孔隙、网状裂隙(属风化带网状孔隙裂隙水)和下部风化基岩的裂隙(属基岩裂隙水)中。其中风化基岩部分地段基岩裂隙水由于受上覆弱透水层作用,具微承压性。拟建工程场区除部分路段的填筑土及中粗砂、卵石、中粗砂的渗透性、富水性较好外,其余各岩土层均属弱透水、弱含水层或相对隔水层,地下水量总体较贫乏。其中下部风化基岩受构造裂隙影响,不排除局部渗透性、富水性有较好的可能。②地下水补、迳、排条件:本场区地下水主要接受大气降水及高处含水层的下渗补给及外围地下水的侧向渗透补给,部分路段尚可接受地表水的下渗补给,地下水总体顺原地形倾向由西北侧丘陵山地向东南侧残丘坡地、坡洪积阶地、冲洪积阶地方向渗流排泄。场地内除填筑土渗透性较好(局部低洼路段富水性亦较好)及中粗砂、卵石属强透水和主要含水层,富水性较好外,碎块状强风化岩及较破碎的中风化岩渗透性能也相对较好,但富水性差异较大外(基岩裂隙水的富水性和导水性主要受构造裂隙的特征控制,且具各向导性,不排除基岩破碎带有水量较大的可能),其余各岩土层属弱~微透水、弱含水层或相对隔水层,地下水量总体较贫乏。③地下水变幅:拟建工程场地地下水位受地形、地貌及后期人工回填影响,变化较大。根据地质勘察报告,勘察期间为平水期,测得钻孔中水位在冲洪积阶地的初见水位一般为0.8~6.1m,混合稳定水位一般为1.2~6.3m;在残丘坡地路段的初见水位一般为4.8~8.5m,混合稳定水位为5.2~16.6m。根据区域水文地质资料,拟建场区地下水年水位变化幅度一般约2~3m范围,近年内沿线冲洪积阶地路段最高水位约在0~3m范围,在残丘坡地路段最高水位约在1~3m范围。④赋存于残丘坡地的地下水场地环境类型属Ⅱattentiontoimprovingthequalityandefficiencyofdevelopmentandpaymoreattentiontosecurityandreformthepeople"slivelihood,morefocusonmaintainingsocialharmonyandstability,andpromotethedevelopmentoftownshipeconomyinabetterandfaster,createanewnormalXXdevelopmentandlayamoresolidfoundationforXXbuildawell-offsociety.Completedtasksthisyear,wemustalwayspayspecialattentiontotheprimarytaskofdevelopment.XXweakeconomicbase,lowlevelsofdevelopment,economicconstructionistheCenter,wehavetocreateconditionsforfastereconomicdevelopment,accumulatingmorewealth,betterpeople"slives.Effortshouldbemadetothisyear"seconomicgrowth,revenuegrowth,peoplehavemaintainedahighrateofincomegrowth,GDPgrowthofmorethan15percentrespectively.Alwaysgraspthefundamentalimpetusforreform.Wearenow"nosoldiersbehind"manyindicatorsrankedinthebottomofthecountyfromgettingbigger.Onlybygoingallouttohardwork,hardwork,innovation,reformdoesnotadapttoinstitutionalmechanisms,practices,itispossibletochangethefaceofXXpoor,intoawell-offsocietytogetherwithpeopleacrossthecountry.Wewanttobreaktheoldpatternsofthinking,methodsandorganizationofwork,bravelyandboldlyinto,makingfulluseofalltheadvantages,comprehensivereforms,tomakeallitsvitalityfordevelopmentimpulse,letfullplaytoallsourcesofwealthcreation.Shouldalwaysstability119 类,B型水。沿线残丘坡地地下水对混凝土结构具微腐蚀性,在长期浸水条件下对钢筋混凝土中的钢筋具微腐蚀性,在地下水位变动带对钢筋混凝土中的钢筋具微腐蚀性;赋存于冲洪积阶地路段中的地下水场地环境类型属Ⅱ类,A型水。沿线冲洪积阶地地下水对钢筋混凝土结构具微腐蚀性,在长期浸水条件下对钢筋混凝土中的钢筋具微腐蚀性,在地下水位变动带对钢筋混凝土中的钢筋具微腐蚀性。6、工程地质及水文地质评价道路范围内广泛分布有杂填土、卵石、粘土、中粗砂,厚度较大;地表水及地下水均具有侵蚀性。工程地质及水文地质较差。二、气象条件拟建场地区域属亚热带海洋性季风气候,温暖湿润,年平均气温21ºC左右,最低气温在1月,最高气温在7月。全年平均降雨约1200mm,降雨主要是集中于3~9月,占全年降雨量的80%以上。10月至翌年2月为旱季,降雨量少。风向夏季多为偏东风,最大频率为东风。易形成灾害性后果的热带风暴,台风以东北风为主,西南风次之,台风多发于5~10月,中心最大风力达12及以上。三、工程总体概况1、道路工程国道324线(坂头段)起点位于同安区与集美区交界处(桩号K0+000),终点位于现状国道324线后溪坂头大桥西侧桥头处(桩号K3+100),路线由东至西走向,依次经过碗瑶村、31军军部门口、寿边村和坂头大桥,路线全长3.1km,现状路基宽度23m,改造后道路主车道宽23m(双向6车道)、辅道宽7m,路幅总宽50m,新建及保留现状车行道均为沥青混凝土路面城市主干道。attentiontoimprovingthequalityandefficiencyofdevelopmentandpaymoreattentiontosecurityandreformthepeople"slivelihood,morefocusonmaintainingsocialharmonyandstability,andpromotethedevelopmentoftownshipeconomyinabetterandfaster,createanewnormalXXdevelopmentandlayamoresolidfoundationforXXbuildawell-offsociety.Completedtasksthisyear,wemustalwayspayspecialattentiontotheprimarytaskofdevelopment.XXweakeconomicbase,lowlevelsofdevelopment,economicconstructionistheCenter,wehavetocreateconditionsforfastereconomicdevelopment,accumulatingmorewealth,betterpeople"slives.Effortshouldbemadetothisyear"seconomicgrowth,revenuegrowth,peoplehavemaintainedahighrateofincomegrowth,GDPgrowthofmorethan15percentrespectively.Alwaysgraspthefundamentalimpetusforreform.Wearenow"nosoldiersbehind"manyindicatorsrankedinthebottomofthecountyfromgettingbigger.Onlybygoingallouttohardwork,hardwork,innovation,reformdoesnotadapttoinstitutionalmechanisms,practices,itispossibletochangethefaceofXXpoor,intoawell-offsocietytogetherwithpeopleacrossthecountry.Wewanttobreaktheoldpatternsofthinking,methodsandorganizationofwork,bravelyandboldlyinto,makingfulluseofalltheadvantages,comprehensivereforms,tomakeallitsvitalityfordevelopmentimpulse,letfullplaytoallsourcesofwealthcreation.Shouldalwaysstability119 本工程道路红线宽50m,标准横断面各部分组成为:3.5m(树池及人行道)+7.0m(辅道)+3.0m(绿化带)+2×11.5m(机动车道)+3.0m(绿化带)+7.0m(辅道)+3.5m(树池及人行道)。现状国道324线宽23米,横断面各部分组成为:0.5m(土路肩)+3.25m(硬路肩)+7.75m(行车道)+7.75m(车行道)+3.25m(硬路肩)+0.5m(土路肩)。(1)、路基土方:挖土方173195M3,填土方147617M3;挖石方75218M3借土填方25577M3。(2)、拆除原有圬工:破除圬工28237.9M³,铺设双向45KN/m钢塑土工格栅4999M²。(3)、特殊路基处理:处理面积27039M²,挖除素、杂填土40697M³,挖除淤泥636M³。铺设双向45KN/m钢塑土工格栅27039M²,填砂性土41333M³.⑷、路基搭接处理:铺设双向45KN/m钢塑土工格栅110830M²,超挖回填碾压土方8268M³。⑸、路基防护:植草60689M²,挡墙浆砌片石4216M³,挖土方3797M³,填土方1268M³,中粗砂135M³,级配碎石844M³,C30混凝土67M³。⑹、路基排水:M7.5浆砌片石4258M³,挖基土方17480M³,1:2水泥砂浆抹面3cm3327M²,砂碎垫层957M³.⑺、路面:SMA-13(4cm)54020M²,AC-20C(6cm)54020M²,AC-25C(7cm)15359M²,沥青砂下封层53876M²,5%水泥稳定碎石58852M²attentiontoimprovingthequalityandefficiencyofdevelopmentandpaymoreattentiontosecurityandreformthepeople"slivelihood,morefocusonmaintainingsocialharmonyandstability,andpromotethedevelopmentoftownshipeconomyinabetterandfaster,createanewnormalXXdevelopmentandlayamoresolidfoundationforXXbuildawell-offsociety.Completedtasksthisyear,wemustalwayspayspecialattentiontotheprimarytaskofdevelopment.XXweakeconomicbase,lowlevelsofdevelopment,economicconstructionistheCenter,wehavetocreateconditionsforfastereconomicdevelopment,accumulatingmorewealth,betterpeople"slives.Effortshouldbemadetothisyear"seconomicgrowth,revenuegrowth,peoplehavemaintainedahighrateofincomegrowth,GDPgrowthofmorethan15percentrespectively.Alwaysgraspthefundamentalimpetusforreform.Wearenow"nosoldiersbehind"manyindicatorsrankedinthebottomofthecountyfromgettingbigger.Onlybygoingallouttohardwork,hardwork,innovation,reformdoesnotadapttoinstitutionalmechanisms,practices,itispossibletochangethefaceofXXpoor,intoawell-offsocietytogetherwithpeopleacrossthecountry.Wewanttobreaktheoldpatternsofthinking,methodsandorganizationofwork,bravelyandboldlyinto,makingfulluseofalltheadvantages,comprehensivereforms,tomakeallitsvitalityfordevelopmentimpulse,letfullplaytoallsourcesofwealthcreation.Shouldalwaysstability119 ,3%水泥稳定碎石61431M²,级配碎石64375M²,混凝土25555M²,人行道2389M²,路缘石30700M,破路面积10488M²。2、综合管线工程现状国道324线为公路,两侧无非机动车道及人行道,现状管线均布置在道路范围外;沿线主要布置有10KV电力架空线(双侧)、给谁管道(单侧)、军用电缆(双侧)、通信电缆、路灯电缆(双侧)等管线,排水主要依靠道路两侧道路边沟(双侧)。根据设计,国道324线(坂头段)道路红线范围内共布置给水、雨水、污水、污水压力管、燃气、电力、通信(含电信、移动、联通)、中水、路灯电缆、有线电视电缆、交通信号电缆、绿化浇灌及军用电缆等十四种地下市政管线。其中,通信、电力、有线电视及交通信号四种市政管线采用缆线共同沟。⑴给水管道布置于道路两侧辅道下,距离绿化带边线均为1.0m。道路西侧管径DN800,道路东侧为DN500.给水管采用球墨铸铁管,路外场地内用水设DN200管道接口,间隔约100~120米,其余各相交道路按规划要求进行连通。⑵雨水管道采用双侧布置在道路两侧辅道内,距离道路中心线均为20m。本工程雨水管道按排放终点分为5段:①桩号K0+000~K0+942段,雨水管道自道路南北两端向中间排放,排入桩号K0+732处一孔5.0m×2.0m涵洞;本段雨水干管管径为D400~D1200;②桩号K0+942~K1+605及K1+605~K1+900西侧段,雨水管道自道路南北两端向中间排放,排入桩号K1+605处两孔5.0m×2.0m涵洞;本段雨水干管管径为D400~D1500;attentiontoimprovingthequalityandefficiencyofdevelopmentandpaymoreattentiontosecurityandreformthepeople"slivelihood,morefocusonmaintainingsocialharmonyandstability,andpromotethedevelopmentoftownshipeconomyinabetterandfaster,createanewnormalXXdevelopmentandlayamoresolidfoundationforXXbuildawell-offsociety.Completedtasksthisyear,wemustalwayspayspecialattentiontotheprimarytaskofdevelopment.XXweakeconomicbase,lowlevelsofdevelopment,economicconstructionistheCenter,wehavetocreateconditionsforfastereconomicdevelopment,accumulatingmorewealth,betterpeople"slives.Effortshouldbemadetothisyear"seconomicgrowth,revenuegrowth,peoplehavemaintainedahighrateofincomegrowth,GDPgrowthofmorethan15percentrespectively.Alwaysgraspthefundamentalimpetusforreform.Wearenow"nosoldiersbehind"manyindicatorsrankedinthebottomofthecountyfromgettingbigger.Onlybygoingallouttohardwork,hardwork,innovation,reformdoesnotadapttoinstitutionalmechanisms,practices,itispossibletochangethefaceofXXpoor,intoawell-offsocietytogetherwithpeopleacrossthecountry.Wewanttobreaktheoldpatternsofthinking,methodsandorganizationofwork,bravelyandboldlyinto,makingfulluseofalltheadvantages,comprehensivereforms,tomakeallitsvitalityfordevelopmentimpulse,letfullplaytoallsourcesofwealthcreation.Shouldalwaysstability119 ③桩号K1+605~K1+925东侧及K1+925~K2+190段,雨水管道自道路南北两端向中间排放,排入桩号K1+925处一孔4.0m×2.0m涵洞;本段雨水干管管径为D400~D1000;④桩号K2+190~K2+600段,雨水管道自北向南排放,排入桩号K2+585处一孔4.0m×2.0m涵洞;本段雨水干管管径为D500~D1000;⑤桩号K2+600~K2+920段,雨水管道自北向南排放,排入后溪;本段雨水干管管径为D400~D1000;⑶污水管道采用双侧布置在道路两侧辅道及绿化带内。①桩号K0+198~K2+110段,污水管道自道路南北两端向中间排放,在桩号K1+820处汇集排入道路西侧污水泵站,经泵站提升至桩号K2+260处污水检查井WE49,泵站规模为9000m³/d;桩号K0+198~K1+380两侧管位距离道路中心线均为18.5m,桩号K1+380~K2+110西侧管位距离道路中心线18.5m,东侧管位距离道路中心线22.25m;本段污水重力管管径为D300~D400,泵站出水管管径DN400.②桩号K2+260~K2+883.640段,污水管道沿道路自北向南排放,在桩号K2+883.604处,西侧污水往东侧汇集,最终向东排入新孙坂路污水管道系统;本段污水干管管径为D300~D500。⑷燃气管道布置在道路东侧人行道下,距道路边线1.0米;管径为DN300,路边地块用气设DN80接口。管径小于DN300管道采用燃气用PE管,管径大于或等于DN300管道采用螺旋缝焊接钢管。⑸attentiontoimprovingthequalityandefficiencyofdevelopmentandpaymoreattentiontosecurityandreformthepeople"slivelihood,morefocusonmaintainingsocialharmonyandstability,andpromotethedevelopmentoftownshipeconomyinabetterandfaster,createanewnormalXXdevelopmentandlayamoresolidfoundationforXXbuildawell-offsociety.Completedtasksthisyear,wemustalwayspayspecialattentiontotheprimarytaskofdevelopment.XXweakeconomicbase,lowlevelsofdevelopment,economicconstructionistheCenter,wehavetocreateconditionsforfastereconomicdevelopment,accumulatingmorewealth,betterpeople"slives.Effortshouldbemadetothisyear"seconomicgrowth,revenuegrowth,peoplehavemaintainedahighrateofincomegrowth,GDPgrowthofmorethan15percentrespectively.Alwaysgraspthefundamentalimpetusforreform.Wearenow"nosoldiersbehind"manyindicatorsrankedinthebottomofthecountyfromgettingbigger.Onlybygoingallouttohardwork,hardwork,innovation,reformdoesnotadapttoinstitutionalmechanisms,practices,itispossibletochangethefaceofXXpoor,intoawell-offsocietytogetherwithpeopleacrossthecountry.Wewanttobreaktheoldpatternsofthinking,methodsandorganizationofwork,bravelyandboldlyinto,makingfulluseofalltheadvantages,comprehensivereforms,tomakeallitsvitalityfordevelopmentimpulse,letfullplaytoallsourcesofwealthcreation.Shouldalwaysstability119 10KV电力电缆布置于缆线共同沟内,施工容量为16孔;缆线共同沟外电缆沟或电力电缆与各相交道路据现状或规划要求进行连接。路外场地内预留6根DN150管道接口。电缆沟或电力电缆穿越交叉路口时,采用DN150砼包封钢套管,分层及并列布设,并于交叉口两侧设置电缆人井,以便将电力排管与电缆沟相接。⑹110KV电力电缆,K2+866.489(新孙坂路)~K3+100(后溪)段布置六回110KV电力电缆:东蔡变~霞店变(1回)、华电燃气变~苏厝变(2回)、苏厝变~新正新变(2回)、苏厝变~后溪变(1回)。110KV高压电力管线敷设于电缆隧道内。⑺通信电缆布置于缆线共同沟内,施工容量为16孔;缆线共同沟外通信管道采用高强度塑料套管敷设,各相交道路口按规划或现状位置设置连通井引出支线。路外场地内预留6根套管接口。⑻中水管道布置于道路东侧绿化带内,距离机动车道边线0.5m,管径为DN200。管材采用聚乙烯塑钢复合管道。路外场地内用水设DN50管道接口。⑼路灯电缆不进入缆线共同沟。路灯电缆采用双侧布置于两侧绿化带内,距离机动车道路缘石0.5米。路灯电缆采用PVC套管铺设,过交叉口路段,电缆采用DN100镀锌钢管套管铺设。⑽有线电视电缆布置于缆线共同沟内,施工容量为2孔。缆线共同沟外有线电视电缆采用2孔DN100套管埋设,管材为镀锌钢管。交叉路口根据相应现状或规划管位预埋横穿,路外场地设横穿预留。⑾交通信号电缆布置于缆线共同沟内,容量为1孔。缆线共同沟外交通信号电缆在各交叉口范围内利用套管保护环绕一周布设,以满足交通设施布置需要。⑿attentiontoimprovingthequalityandefficiencyofdevelopmentandpaymoreattentiontosecurityandreformthepeople"slivelihood,morefocusonmaintainingsocialharmonyandstability,andpromotethedevelopmentoftownshipeconomyinabetterandfaster,createanewnormalXXdevelopmentandlayamoresolidfoundationforXXbuildawell-offsociety.Completedtasksthisyear,wemustalwayspayspecialattentiontotheprimarytaskofdevelopment.XXweakeconomicbase,lowlevelsofdevelopment,economicconstructionistheCenter,wehavetocreateconditionsforfastereconomicdevelopment,accumulatingmorewealth,betterpeople"slives.Effortshouldbemadetothisyear"seconomicgrowth,revenuegrowth,peoplehavemaintainedahighrateofincomegrowth,GDPgrowthofmorethan15percentrespectively.Alwaysgraspthefundamentalimpetusforreform.Wearenow"nosoldiersbehind"manyindicatorsrankedinthebottomofthecountyfromgettingbigger.Onlybygoingallouttohardwork,hardwork,innovation,reformdoesnotadapttoinstitutionalmechanisms,practices,itispossibletochangethefaceofXXpoor,intoawell-offsocietytogetherwithpeopleacrossthecountry.Wewanttobreaktheoldpatternsofthinking,methodsandorganizationofwork,bravelyandboldlyinto,makingfulluseofalltheadvantages,comprehensivereforms,tomakeallitsvitalityfordevelopmentimpulse,letfullplaytoallsourcesofwealthcreation.Shouldalwaysstability119 绿化浇灌管道共4根,分别位于两侧绿化带下。管径DN75~DN100,管材采用PE管。⒀军用电缆采用双侧布置于道路两侧辅道下,距离绿化带边线2.5米;容量均为6孔。⒁缆线共同沟A、缆线共同沟:缆线共同沟断面净尺寸为2.1m×1.8m(净宽2.1m,净高1.8m),纳入了通信16孔、10KV电力16孔、有线电视2孔及交通信号1孔。缆线共同沟布置于道路西侧人行道下,缆沟中心距离道路边线0.6米。缆线共同沟每隔约120~150米或道路交叉口处设置管线引出套管。110KV高压电力电缆隧道:110KV高压电力管线过河段采用电缆隧道敷设形式。电缆隧道断面净尺寸为2.5m×2.0m(净宽2.5米,净高2.0米)。3、桥涵工程(1)、人行天桥工程两座人行天桥主线交叉中心桩号为K0+340、K1+555,K0+340人行天桥跨径布置为1.25m+2×15.5m+1.25m,K1+555人行天桥跨径布置为1.25m+2×19.5m+1.25m,桥面宽3.5m,净宽3.2m,主桥桥下净空为5.0m。每座桥均含有:桩基:φ120cm的3根,φ80cm的18根;承台:2.2×2.2×1.5米的3个;墩柱、桥台:宽度为1.5m,厚度为0.7m的椭圆形桥墩3根,直径0.6米的圆墩12根,不规则桥台6个;梯道、坡道:1:2梯道12个梯段,1:10坡道10个坡段。(2)、U型槽、框架桥工程attentiontoimprovingthequalityandefficiencyofdevelopmentandpaymoreattentiontosecurityandreformthepeople"slivelihood,morefocusonmaintainingsocialharmonyandstability,andpromotethedevelopmentoftownshipeconomyinabetterandfaster,createanewnormalXXdevelopmentandlayamoresolidfoundationforXXbuildawell-offsociety.Completedtasksthisyear,wemustalwayspayspecialattentiontotheprimarytaskofdevelopment.XXweakeconomicbase,lowlevelsofdevelopment,economicconstructionistheCenter,wehavetocreateconditionsforfastereconomicdevelopment,accumulatingmorewealth,betterpeople"slives.Effortshouldbemadetothisyear"seconomicgrowth,revenuegrowth,peoplehavemaintainedahighrateofincomegrowth,GDPgrowthofmorethan15percentrespectively.Alwaysgraspthefundamentalimpetusforreform.Wearenow"nosoldiersbehind"manyindicatorsrankedinthebottomofthecountyfromgettingbigger.Onlybygoingallouttohardwork,hardwork,innovation,reformdoesnotadapttoinstitutionalmechanisms,practices,itispossibletochangethefaceofXXpoor,intoawell-offsocietytogetherwithpeopleacrossthecountry.Wewanttobreaktheoldpatternsofthinking,methodsandorganizationofwork,bravelyandboldlyinto,makingfulluseofalltheadvantages,comprehensivereforms,tomakeallitsvitalityfordevelopmentimpulse,letfullplaytoallsourcesofwealthcreation.Shouldalwaysstability119 主体结构采用C45防水耐腐蚀钢筋混凝土,U型槽长72米,框架桥长73米,分C1-C2-K1-K2-K3-C3节段。C1节段:底板厚度为80cm,侧墙厚度为70cm;C2节段:底板厚度为110cm,沿路线前进方向左侧墙厚度为90cm,右侧墙厚度为70cm,在桩号ZK0+155.7—ZK0+172间左侧墙高度从270.1cm渐变至764.3cm,且在左侧墙设置加劲肋以抵抗侧向土压力;K1-K2-K3节段:结构全宽1150cm、高度为760cm,顶板厚100cm,底板厚90cm,侧墙厚80cm,内部顶板与侧墙相接处设置100*40cm的倒角;C3节段:底板厚度为110cm,沿路线前进方向左侧墙厚度为70cm,右侧墙厚度为90cm,在桩号ZK0+245—ZK0+269间右侧墙高度从709.1cm渐变至247.1cm,且在右侧墙设置加劲肋以抵抗侧向土压力。基础:基础为直径1.2m桩基础,采用C40防水耐腐蚀混凝土,所有节段均采用6根双排桩,桩帽平面尺寸为2.6m×2.6m,厚0.7m,标准横断面宽度为8.5m。四、沿线筑路材料、水、电等建设条件与公路建设的关系1、建筑材料本工程所需筑路材料主要有:水泥、钢筋(钢材)、木材、砂、块石碎石等。石料:块石、碎石采购于就近卖石场。考虑工程所需石料数量大,为保证供应,工程开工前应事先与地方有关方面签订供货协议。砂:工程所需中、粗砂采购于就近卖石场。考虑工程所需中粗砂数量大,为保证供应,工程开工前应事先与地方有关方面签订供货协议。土方:路基填筑土料就近采购。attentiontoimprovingthequalityandefficiencyofdevelopmentandpaymoreattentiontosecurityandreformthepeople"slivelihood,morefocusonmaintainingsocialharmonyandstability,andpromotethedevelopmentoftownshipeconomyinabetterandfaster,createanewnormalXXdevelopmentandlayamoresolidfoundationforXXbuildawell-offsociety.Completedtasksthisyear,wemustalwayspayspecialattentiontotheprimarytaskofdevelopment.XXweakeconomicbase,lowlevelsofdevelopment,economicconstructionistheCenter,wehavetocreateconditionsforfastereconomicdevelopment,accumulatingmorewealth,betterpeople"slives.Effortshouldbemadetothisyear"seconomicgrowth,revenuegrowth,peoplehavemaintainedahighrateofincomegrowth,GDPgrowthofmorethan15percentrespectively.Alwaysgraspthefundamentalimpetusforreform.Wearenow"nosoldiersbehind"manyindicatorsrankedinthebottomofthecountyfromgettingbigger.Onlybygoingallouttohardwork,hardwork,innovation,reformdoesnotadapttoinstitutionalmechanisms,practices,itispossibletochangethefaceofXXpoor,intoawell-offsocietytogetherwithpeopleacrossthecountry.Wewanttobreaktheoldpatternsofthinking,methodsandorganizationofwork,bravelyandboldlyinto,makingfulluseofalltheadvantages,comprehensivereforms,tomakeallitsvitalityfordevelopmentimpulse,letfullplaytoallsourcesofwealthcreation.Shouldalwaysstability119 钢材、木材、水泥、沥青:考虑到近几年后溪镇基础设施的飞速发展,建筑材料的需求大的,从工程经济上考虑尽可能利用当地材料,因地制宜,均从后溪镇购买。五、运输条件该地区路网属国道324线范围,加之周边路网均已形成,地方材料运输可就近上路,运输条件好。六、施工注意事项1、沥青混合料采用热拌热铺法施工,混合料最佳沥青用量应通过马歇尔试验确定,同时应严格按规范控制沥青砼混合料施工温度。普通沥青混合料摊铺温度控制值如下:摊铺温度≥135ºC,初始碾压温度≥130ºC,终压结束混合料表面温度≥80ºC;改性沥青混合料摊铺温度控制如下:摊铺温度≥160ºC,初始碾压温度≥150ºC,终压结束混合料表面温度≥90ºC2、改性沥青面层施工时不得采用轮胎式摊铺机和轮胎式压路机,用几台摊铺机联合进行摊铺,摊铺机之间的距离不能超过15米。3、透层油宜在基层表面稍干后浇洒,浇洒温度不低于70度,待其充分渗透并干燥后,方可铺筑沥青面层。4、水泥稳定碎石基层的压实工作应在水泥终凝前完成。基层完成后,应加强养护,控制行车,不使出现车槽,如有损坏应在浇筑混凝土板前,采用相同材料修补压实,严禁用松散粒料填补。5、沥青混凝土混合料采用热拌热铺法施工,压实度不小于96%。attentiontoimprovingthequalityandefficiencyofdevelopmentandpaymoreattentiontosecurityandreformthepeople"slivelihood,morefocusonmaintainingsocialharmonyandstability,andpromotethedevelopmentoftownshipeconomyinabetterandfaster,createanewnormalXXdevelopmentandlayamoresolidfoundationforXXbuildawell-offsociety.Completedtasksthisyear,wemustalwayspayspecialattentiontotheprimarytaskofdevelopment.XXweakeconomicbase,lowlevelsofdevelopment,economicconstructionistheCenter,wehavetocreateconditionsforfastereconomicdevelopment,accumulatingmorewealth,betterpeople"slives.Effortshouldbemadetothisyear"seconomicgrowth,revenuegrowth,peoplehavemaintainedahighrateofincomegrowth,GDPgrowthofmorethan15percentrespectively.Alwaysgraspthefundamentalimpetusforreform.Wearenow"nosoldiersbehind"manyindicatorsrankedinthebottomofthecountyfromgettingbigger.Onlybygoingallouttohardwork,hardwork,innovation,reformdoesnotadapttoinstitutionalmechanisms,practices,itispossibletochangethefaceofXXpoor,intoawell-offsocietytogetherwithpeopleacrossthecountry.Wewanttobreaktheoldpatternsofthinking,methodsandorganizationofwork,bravelyandboldlyinto,makingfulluseofalltheadvantages,comprehensivereforms,tomakeallitsvitalityfordevelopmentimpulse,letfullplaytoallsourcesofwealthcreation.Shouldalwaysstability119 6、道路沿途交叉口均严格按照图纸要求进行施工放样,雨水口位置须严格按图放样,确保落在路面最低点,在相交道路自由边处应用平缘石锁边。7、道路路缘石要求等长顺直,勾缝要饱满、整齐。8、路基填料要求采用砂性土或亚粘土。工程严禁采用高岭土等不良土体填筑路基,同时填料中不得有草根等植物根系,最大粒径不应大于碾压厚度的1/3。9、正常路段处(不改线和不改纵坡段)侧分带内安装15*26cm路缘石时,应先将现状挡墙顶的混凝土外边机械切割整齐,然后才安装路缘石。10、道路改造与沿线周围现状道路及厂区出入口在平面及竖向上应平顺连接。11、施工期间的交通组织需要根据周边道路实际情况合理安排。12、道路施工时,应对施工区域进行围挡,并设置临时警告标志。做好施工期间的交通组织,避免发生交通事故。第二章施工准备第一节人员准备一、施工组织机构建立抽调强有力的管理、技术力量,组建“国道324线(坂头段)市政化改造施工工程项目经理部”,组成矩阵式的项目管理体系。项目经理部按管理工作的不同设置管理小组,以专业工程队为基本作业单位,共设三个施工队,按工种配置相应施工班组,其组织机构图如下所示:attentiontoimprovingthequalityandefficiencyofdevelopmentandpaymoreattentiontosecurityandreformthepeople"slivelihood,morefocusonmaintainingsocialharmonyandstability,andpromotethedevelopmentoftownshipeconomyinabetterandfaster,createanewnormalXXdevelopmentandlayamoresolidfoundationforXXbuildawell-offsociety.Completedtasksthisyear,wemustalwayspayspecialattentiontotheprimarytaskofdevelopment.XXweakeconomicbase,lowlevelsofdevelopment,economicconstructionistheCenter,wehavetocreateconditionsforfastereconomicdevelopment,accumulatingmorewealth,betterpeople"slives.Effortshouldbemadetothisyear"seconomicgrowth,revenuegrowth,peoplehavemaintainedahighrateofincomegrowth,GDPgrowthofmorethan15percentrespectively.Alwaysgraspthefundamentalimpetusforreform.Wearenow"nosoldiersbehind"manyindicatorsrankedinthebottomofthecountyfromgettingbigger.Onlybygoingallouttohardwork,hardwork,innovation,reformdoesnotadapttoinstitutionalmechanisms,practices,itispossibletochangethefaceofXXpoor,intoawell-offsocietytogetherwithpeopleacrossthecountry.Wewanttobreaktheoldpatternsofthinking,methodsandorganizationofwork,bravelyandboldlyinto,makingfulluseofalltheadvantages,comprehensivereforms,tomakeallitsvitalityfordevelopmentimpulse,letfullplaytoallsourcesofwealthcreation.Shouldalwaysstability119 项目经理部项目经理项目技术负责人施工组质安组测量组材料组机械设备组试验组后勤组道路土石方施工队排水管道工程施工队桥涵工程施工队attentiontoimprovingthequalityandefficiencyofdevelopmentandpaymoreattentiontosecurityandreformthepeople"slivelihood,morefocusonmaintainingsocialharmonyandstability,andpromotethedevelopmentoftownshipeconomyinabetterandfaster,createanewnormalXXdevelopmentandlayamoresolidfoundationforXXbuildawell-offsociety.Completedtasksthisyear,wemustalwayspayspecialattentiontotheprimarytaskofdevelopment.XXweakeconomicbase,lowlevelsofdevelopment,economicconstructionistheCenter,wehavetocreateconditionsforfastereconomicdevelopment,accumulatingmorewealth,betterpeople"slives.Effortshouldbemadetothisyear"seconomicgrowth,revenuegrowth,peoplehavemaintainedahighrateofincomegrowth,GDPgrowthofmorethan15percentrespectively.Alwaysgraspthefundamentalimpetusforreform.Wearenow"nosoldiersbehind"manyindicatorsrankedinthebottomofthecountyfromgettingbigger.Onlybygoingallouttohardwork,hardwork,innovation,reformdoesnotadapttoinstitutionalmechanisms,practices,itispossibletochangethefaceofXXpoor,intoawell-offsocietytogetherwithpeopleacrossthecountry.Wewanttobreaktheoldpatternsofthinking,methodsandorganizationofwork,bravelyandboldlyinto,makingfulluseofalltheadvantages,comprehensivereforms,tomakeallitsvitalityfordevelopmentimpulse,letfullplaytoallsourcesofwealthcreation.Shouldalwaysstability119 二、劳动力计划项目管理人员依据施工总进度计划表和各分项工程进度计划表、施工图计算出各分项工程的工程项目的数量,结合定额和我司实际施工人员的操作水平来安排。劳动力安排要充分发挥劳动力资源的优势,科学、合理、统筹安排,各工种按需、按流程进场、退场。现场劳动力人员按工种分班组管理,任务的下达及人员的调配统一由工程管理人员组织以达到指挥统一、合理优化调配。工程施工中注意各工种之间的协调。对于各工种进场前的施工布置、施工进度要求及施工图纸交底要做到充分,工程技术人员在主要部位、细节部位施工过程中要跟踪监督,检测人员随时检测各技术参数是否达到设计及规范要求。劳动力投入计划表:时间工种1个月2个月3个月4个月5个月6个月7个月8个月9个月10个月11个月12个月13个月14个月15个月普工81010101010101010101010101010混凝土工151515101015151515151515151515钢筋工661010151515管道工1212121212121212121212木工00101515202020attentiontoimprovingthequalityandefficiencyofdevelopmentandpaymoreattentiontosecurityandreformthepeople"slivelihood,morefocusonmaintainingsocialharmonyandstability,andpromotethedevelopmentoftownshipeconomyinabetterandfaster,createanewnormalXXdevelopmentandlayamoresolidfoundationforXXbuildawell-offsociety.Completedtasksthisyear,wemustalwayspayspecialattentiontotheprimarytaskofdevelopment.XXweakeconomicbase,lowlevelsofdevelopment,economicconstructionistheCenter,wehavetocreateconditionsforfastereconomicdevelopment,accumulatingmorewealth,betterpeople"slives.Effortshouldbemadetothisyear"seconomicgrowth,revenuegrowth,peoplehavemaintainedahighrateofincomegrowth,GDPgrowthofmorethan15percentrespectively.Alwaysgraspthefundamentalimpetusforreform.Wearenow"nosoldiersbehind"manyindicatorsrankedinthebottomofthecountyfromgettingbigger.Onlybygoingallouttohardwork,hardwork,innovation,reformdoesnotadapttoinstitutionalmechanisms,practices,itispossibletochangethefaceofXXpoor,intoawell-offsocietytogetherwithpeopleacrossthecountry.Wewanttobreaktheoldpatternsofthinking,methodsandorganizationofwork,bravelyandboldlyinto,makingfulluseofalltheadvantages,comprehensivereforms,tomakeallitsvitalityfordevelopmentimpulse,letfullplaytoallsourcesofwealthcreation.Shouldalwaysstability119 水电工222222222222222司机666101010101010101015151515后勤工333333333333333机械工152020201515152026262626262626泥水工01010101010101010101010101001钻孔桩工303030303000000路面工00000002020202020202020第二节材料准备计划一、材料计划1、材料进场的质量控制及进场计划物资进场把握的主要原则为:以工程施工总体进度计划为基础,按需提前备料;备料充分满足工程需要,又不造成严重的浪费;材料进场都经过检验合格后才能使用。施工过程中材料进场安排根据工程施工总体进度要求,以及施工现场实际施工进度要求,根据施工图纸及各项指标计算出各构筑物和各部位所需物资情况,而后编制各种物资的需用量以及进场时间。材料进场使用前的检验。材料进场都需厂家提供的合格证,并由试验室对其抽检。对于一般地材,试验室要进行抽样检验,合格后才能使用。attentiontoimprovingthequalityandefficiencyofdevelopmentandpaymoreattentiontosecurityandreformthepeople"slivelihood,morefocusonmaintainingsocialharmonyandstability,andpromotethedevelopmentoftownshipeconomyinabetterandfaster,createanewnormalXXdevelopmentandlayamoresolidfoundationforXXbuildawell-offsociety.Completedtasksthisyear,wemustalwayspayspecialattentiontotheprimarytaskofdevelopment.XXweakeconomicbase,lowlevelsofdevelopment,economicconstructionistheCenter,wehavetocreateconditionsforfastereconomicdevelopment,accumulatingmorewealth,betterpeople"slives.Effortshouldbemadetothisyear"seconomicgrowth,revenuegrowth,peoplehavemaintainedahighrateofincomegrowth,GDPgrowthofmorethan15percentrespectively.Alwaysgraspthefundamentalimpetusforreform.Wearenow"nosoldiersbehind"manyindicatorsrankedinthebottomofthecountyfromgettingbigger.Onlybygoingallouttohardwork,hardwork,innovation,reformdoesnotadapttoinstitutionalmechanisms,practices,itispossibletochangethefaceofXXpoor,intoawell-offsocietytogetherwithpeopleacrossthecountry.Wewanttobreaktheoldpatternsofthinking,methodsandorganizationofwork,bravelyandboldlyinto,makingfulluseofalltheadvantages,comprehensivereforms,tomakeallitsvitalityfordevelopmentimpulse,letfullplaytoallsourcesofwealthcreation.Shouldalwaysstability119 材料的运输、堆放。按各种材料不同的使用功能和其自身性能的要求分类集中堆放。水泥在运输和贮存时不受潮和混入杂物,不同品种和标号的水泥分别贮存、运输,贮存水泥库房注意防潮防漏;其余材料堆放均按其特性要求堆放。2、混凝土、砂浆、水泥稳定层工程施工中的砼采用商品砼;并在现场设灰浆搅拌机搅拌砌筑砂浆及水泥稳定层搅拌站。3、其余成品、半成品,购买材料经抽样检验合格才能交付工程使用,材料均由汽车运到现场。材料备料根据工程的进度要求,分批分项进场。4、材料进场计划表主要材料进场计划表如下:序号规格名称单位总数量进场情况142.5级水泥t1000根据施工进度安排进场2雨水井箅套356根据施工进度安排进场3雨水井盖井座套223根据施工进度安排进场4砂m310000根据施工进度安排进场5雨水管DN400m390根据施工进度安排进场6雨水管DN500m800attentiontoimprovingthequalityandefficiencyofdevelopmentandpaymoreattentiontosecurityandreformthepeople"slivelihood,morefocusonmaintainingsocialharmonyandstability,andpromotethedevelopmentoftownshipeconomyinabetterandfaster,createanewnormalXXdevelopmentandlayamoresolidfoundationforXXbuildawell-offsociety.Completedtasksthisyear,wemustalwayspayspecialattentiontotheprimarytaskofdevelopment.XXweakeconomicbase,lowlevelsofdevelopment,economicconstructionistheCenter,wehavetocreateconditionsforfastereconomicdevelopment,accumulatingmorewealth,betterpeople"slives.Effortshouldbemadetothisyear"seconomicgrowth,revenuegrowth,peoplehavemaintainedahighrateofincomegrowth,GDPgrowthofmorethan15percentrespectively.Alwaysgraspthefundamentalimpetusforreform.Wearenow"nosoldiersbehind"manyindicatorsrankedinthebottomofthecountyfromgettingbigger.Onlybygoingallouttohardwork,hardwork,innovation,reformdoesnotadapttoinstitutionalmechanisms,practices,itispossibletochangethefaceofXXpoor,intoawell-offsocietytogetherwithpeopleacrossthecountry.Wewanttobreaktheoldpatternsofthinking,methodsandorganizationofwork,bravelyandboldlyinto,makingfulluseofalltheadvantages,comprehensivereforms,tomakeallitsvitalityfordevelopmentimpulse,letfullplaytoallsourcesofwealthcreation.Shouldalwaysstability119 根据施工进度安排进场7雨水管DN600m1081根据施工进度安排进场8雨水管DN800m1743根据施工进度安排进场9雨水管DN1000m1005根据施工进度安排进场10雨水管DN1200m532根据施工进度安排进场11雨水管DN15000m258根据施工进度安排进场12雨水口连接管DN300m2612根据施工进度安排进场13污水管DN300m3346根据施工进度安排进场14污水管DN400m946根据施工进度安排进场15污水管DN500m695根据施工进度安排进场16污水压力管DN400m464根据施工进度安排进场污水井盖井座套174attentiontoimprovingthequalityandefficiencyofdevelopmentandpaymoreattentiontosecurityandreformthepeople"slivelihood,morefocusonmaintainingsocialharmonyandstability,andpromotethedevelopmentoftownshipeconomyinabetterandfaster,createanewnormalXXdevelopmentandlayamoresolidfoundationforXXbuildawell-offsociety.Completedtasksthisyear,wemustalwayspayspecialattentiontotheprimarytaskofdevelopment.XXweakeconomicbase,lowlevelsofdevelopment,economicconstructionistheCenter,wehavetocreateconditionsforfastereconomicdevelopment,accumulatingmorewealth,betterpeople"slives.Effortshouldbemadetothisyear"seconomicgrowth,revenuegrowth,peoplehavemaintainedahighrateofincomegrowth,GDPgrowthofmorethan15percentrespectively.Alwaysgraspthefundamentalimpetusforreform.Wearenow"nosoldiersbehind"manyindicatorsrankedinthebottomofthecountyfromgettingbigger.Onlybygoingallouttohardwork,hardwork,innovation,reformdoesnotadapttoinstitutionalmechanisms,practices,itispossibletochangethefaceofXXpoor,intoawell-offsocietytogetherwithpeopleacrossthecountry.Wewanttobreaktheoldpatternsofthinking,methodsandorganizationofwork,bravelyandboldlyinto,makingfulluseofalltheadvantages,comprehensivereforms,tomakeallitsvitalityfordevelopmentimpulse,letfullplaytoallsourcesofwealthcreation.Shouldalwaysstability119 根据施工进度安排进场钢材T2522根据施工进度安排进场土工格栅M²32038根据施工进度安排进场第三节、机械计划根据本工程的工作量,拟定施工机械设备投入。既要保证高峰期时所有工序均有所需的施工机械设备,还要考虑施工机械设备的合理有序的使用。我司根据施工进度计划安排配足充裕先进的施工机械设备,充分发挥机械化施工的优点,加快进度,确保工程工期和安全、质量,在施工条件具备时即可投入相应的施工机械设备展开作业。1、主要机械进场计划表机械名称规格型号额定功率(kw)或容量(m3)或吨位(t)厂牌及出厂时间数量(台)新旧程度(%)进场时间(开工后)小计其中拥有新购租赁自卸汽车东风8T8T二汽101090第1个月红岩12T重庆8890第1个月D85145KW1180attentiontoimprovingthequalityandefficiencyofdevelopmentandpaymoreattentiontosecurityandreformthepeople"slivelihood,morefocusonmaintainingsocialharmonyandstability,andpromotethedevelopmentoftownshipeconomyinabetterandfaster,createanewnormalXXdevelopmentandlayamoresolidfoundationforXXbuildawell-offsociety.Completedtasksthisyear,wemustalwayspayspecialattentiontotheprimarytaskofdevelopment.XXweakeconomicbase,lowlevelsofdevelopment,economicconstructionistheCenter,wehavetocreateconditionsforfastereconomicdevelopment,accumulatingmorewealth,betterpeople"slives.Effortshouldbemadetothisyear"seconomicgrowth,revenuegrowth,peoplehavemaintainedahighrateofincomegrowth,GDPgrowthofmorethan15percentrespectively.Alwaysgraspthefundamentalimpetusforreform.Wearenow"nosoldiersbehind"manyindicatorsrankedinthebottomofthecountyfromgettingbigger.Onlybygoingallouttohardwork,hardwork,innovation,reformdoesnotadapttoinstitutionalmechanisms,practices,itispossibletochangethefaceofXXpoor,intoawell-offsocietytogetherwithpeopleacrossthecountry.Wewanttobreaktheoldpatternsofthinking,methodsandorganizationofwork,bravelyandboldlyinto,makingfulluseofalltheadvantages,comprehensivereforms,tomakeallitsvitalityfordevelopmentimpulse,letfullplaytoallsourcesofwealthcreation.Shouldalwaysstability119 履带式推土机山东推土机厂第1个月洒水车4000L4000L二汽3395第1个月装载机ZL-503m3xx工程机械厂2290第1个月振动压路机CA3050t三明重工2290第1个月反铲挖掘机PC2201m3日本小松6690第1个月机动翻斗车1t1m3长沙机械厂6690第1个月砂浆搅拌机WJ20150L福州2290第1个月振动打夯机H2-1004KW福州2295第1个月柴油发电机组30GF30KW福州发电设备厂2290第1个月蛙式打夯机HW602KW上海2290第1个月小型潜水泵QS65-182KW上海建筑机械厂101090第1个月attentiontoimprovingthequalityandefficiencyofdevelopmentandpaymoreattentiontosecurityandreformthepeople"slivelihood,morefocusonmaintainingsocialharmonyandstability,andpromotethedevelopmentoftownshipeconomyinabetterandfaster,createanewnormalXXdevelopmentandlayamoresolidfoundationforXXbuildawell-offsociety.Completedtasksthisyear,wemustalwayspayspecialattentiontotheprimarytaskofdevelopment.XXweakeconomicbase,lowlevelsofdevelopment,economicconstructionistheCenter,wehavetocreateconditionsforfastereconomicdevelopment,accumulatingmorewealth,betterpeople"slives.Effortshouldbemadetothisyear"seconomicgrowth,revenuegrowth,peoplehavemaintainedahighrateofincomegrowth,GDPgrowthofmorethan15percentrespectively.Alwaysgraspthefundamentalimpetusforreform.Wearenow"nosoldiersbehind"manyindicatorsrankedinthebottomofthecountyfromgettingbigger.Onlybygoingallouttohardwork,hardwork,innovation,reformdoesnotadapttoinstitutionalmechanisms,practices,itispossibletochangethefaceofXXpoor,intoawell-offsocietytogetherwithpeopleacrossthecountry.Wewanttobreaktheoldpatternsofthinking,methodsandorganizationofwork,bravelyandboldlyinto,makingfulluseofalltheadvantages,comprehensivereforms,tomakeallitsvitalityfordevelopmentimpulse,letfullplaytoallsourcesofwealthcreation.Shouldalwaysstability119 潜水泵DN1003kw福州20016680第1个月平地机PT120289KW中国20061190第1个月工具车1.75T铃木1190第1个月冲击钻机CZ-50038K厦钢8890第1个月泥浆泵PNL22KW福建机械8890第1个月钢筋弯曲机GW403.02280第1个月交流电焊机BX1-50012.04480第1个月钢筋切断机GQ503.022第1个月钢筋调直机HHZ15083.022第1个月插入式振动棒1.1kw8890第1个月汽车起重机QY3030T徐工重机械1180第1个月沥青摊铺机2280第5个月2、投入主要仪器、设备:序号仪器、设备名称规格型号单位数量attentiontoimprovingthequalityandefficiencyofdevelopmentandpaymoreattentiontosecurityandreformthepeople"slivelihood,morefocusonmaintainingsocialharmonyandstability,andpromotethedevelopmentoftownshipeconomyinabetterandfaster,createanewnormalXXdevelopmentandlayamoresolidfoundationforXXbuildawell-offsociety.Completedtasksthisyear,wemustalwayspayspecialattentiontotheprimarytaskofdevelopment.XXweakeconomicbase,lowlevelsofdevelopment,economicconstructionistheCenter,wehavetocreateconditionsforfastereconomicdevelopment,accumulatingmorewealth,betterpeople"slives.Effortshouldbemadetothisyear"seconomicgrowth,revenuegrowth,peoplehavemaintainedahighrateofincomegrowth,GDPgrowthofmorethan15percentrespectively.Alwaysgraspthefundamentalimpetusforreform.Wearenow"nosoldiersbehind"manyindicatorsrankedinthebottomofthecountyfromgettingbigger.Onlybygoingallouttohardwork,hardwork,innovation,reformdoesnotadapttoinstitutionalmechanisms,practices,itispossibletochangethefaceofXXpoor,intoawell-offsocietytogetherwithpeopleacrossthecountry.Wewanttobreaktheoldpatternsofthinking,methodsandorganizationofwork,bravelyandboldlyinto,makingfulluseofalltheadvantages,comprehensivereforms,tomakeallitsvitalityfordevelopmentimpulse,letfullplaytoallsourcesofwealthcreation.Shouldalwaysstability119 1全站仪南方台12水准仪DS3台23泥浆比重计NB-1套14泥浆含砂量测定仪NA-1套15泥浆粘度计1006套1第四节技术准备一、施工现场考查进场后,我司组织一个由经验丰富的各专业技术人员组成的现场调查组,对沿线工程及现场情况做了进一步的详细调查研究,初步确定施工队伍,临时便道的平面铺设,施工用水用电的来源及架设方案,建筑材料的分布及供应渠道,施工机械设备的投入型号及数量,以及当地环保要求等,以便合理编制施工方案及施工计划提供第一手详实资料。二、技术准备1、由项目技术负责人组织项目部和工程队技术人员,详细阅读设计文件,审核设计图纸,进行现场核对,做好技术交底准备工作,组织学习公路施工技术规范及检验标准,进一步充实和完善实施性施工组织设计,并根据工程施工进展逐步提供分项工程的施工方案,attentiontoimprovingthequalityandefficiencyofdevelopmentandpaymoreattentiontosecurityandreformthepeople"slivelihood,morefocusonmaintainingsocialharmonyandstability,andpromotethedevelopmentoftownshipeconomyinabetterandfaster,createanewnormalXXdevelopmentandlayamoresolidfoundationforXXbuildawell-offsociety.Completedtasksthisyear,wemustalwayspayspecialattentiontotheprimarytaskofdevelopment.XXweakeconomicbase,lowlevelsofdevelopment,economicconstructionistheCenter,wehavetocreateconditionsforfastereconomicdevelopment,accumulatingmorewealth,betterpeople"slives.Effortshouldbemadetothisyear"seconomicgrowth,revenuegrowth,peoplehavemaintainedahighrateofincomegrowth,GDPgrowthofmorethan15percentrespectively.Alwaysgraspthefundamentalimpetusforreform.Wearenow"nosoldiersbehind"manyindicatorsrankedinthebottomofthecountyfromgettingbigger.Onlybygoingallouttohardwork,hardwork,innovation,reformdoesnotadapttoinstitutionalmechanisms,practices,itispossibletochangethefaceofXXpoor,intoawell-offsocietytogetherwithpeopleacrossthecountry.Wewanttobreaktheoldpatternsofthinking,methodsandorganizationofwork,bravelyandboldlyinto,makingfulluseofalltheadvantages,comprehensivereforms,tomakeallitsvitalityfordevelopmentimpulse,letfullplaytoallsourcesofwealthcreation.Shouldalwaysstability119 呈报监理工程师审核后付诸实施。2、按照业主提供的测量技术资料,组织导线点贯通复测和水准点复核,复测成果经监理工程师审核无误后组织施工定位放线,埋设永久桩和护桩,并补充丢失或施工要求增加的桩橛。3、依据业主提供的参考资料和现场踏勘调查情况,对各种工程材料做进一步核实并取样鉴定,及时向监理工程师提供试验鉴定结果,在合格的基础上搞好各种砼、砂浆等配合比的选定试验工作;对外购的成品、半成品等材料及时按规定取样检验,以选定采购厂家。4、协助业主办好界内的征地工作,以便能及时提供施工场地。三、临时工程根据工程项目、施工方案和周围环境,本着“节约成本、施工必需”的原则进行临时工程布设。1、进场便道设置进场后先进行表土的清理、软基的处理,结合地形的需要沿线开辟施工便道。2、场内便道设置施工现场的各种机械、设备、人员、材料输送的调配、周转,设置场内便道时要注意必须先进行清表,软基处理后进场,以免造成窝工浪费。3、其余临时工程设置详见施工总平面布置。第三章主要工程项目的施工方案、方法和技术措施第一节施工顺序总体安排一、坂头大桥先施工。attentiontoimprovingthequalityandefficiencyofdevelopmentandpaymoreattentiontosecurityandreformthepeople"slivelihood,morefocusonmaintainingsocialharmonyandstability,andpromotethedevelopmentoftownshipeconomyinabetterandfaster,createanewnormalXXdevelopmentandlayamoresolidfoundationforXXbuildawell-offsociety.Completedtasksthisyear,wemustalwayspayspecialattentiontotheprimarytaskofdevelopment.XXweakeconomicbase,lowlevelsofdevelopment,economicconstructionistheCenter,wehavetocreateconditionsforfastereconomicdevelopment,accumulatingmorewealth,betterpeople"slives.Effortshouldbemadetothisyear"seconomicgrowth,revenuegrowth,peoplehavemaintainedahighrateofincomegrowth,GDPgrowthofmorethan15percentrespectively.Alwaysgraspthefundamentalimpetusforreform.Wearenow"nosoldiersbehind"manyindicatorsrankedinthebottomofthecountyfromgettingbigger.Onlybygoingallouttohardwork,hardwork,innovation,reformdoesnotadapttoinstitutionalmechanisms,practices,itispossibletochangethefaceofXXpoor,intoawell-offsocietytogetherwithpeopleacrossthecountry.Wewanttobreaktheoldpatternsofthinking,methodsandorganizationofwork,bravelyandboldlyinto,makingfulluseofalltheadvantages,comprehensivereforms,tomakeallitsvitalityfordevelopmentimpulse,letfullplaytoallsourcesofwealthcreation.Shouldalwaysstability119 二、其他项目根据征地情况施工。第二节施工测量一、测量工作准备本工程所用测量仪器主要有水准仪、全站仪。在使用前先送有关仪器检测部门检测合格后,进入现场使用。二、恢复定线测量1、复核导线点:在地面进行中线测量前,由设计部门进行交桩手续,转角点桩及方向桩应在线外设桩点,并做点标记。2、加设、复核水准基点:进场后组织测量人员按道路桩号20米作为一断面进行原地面复测,并在道路沿线没100M设置一高程基准点。基准点设置在不容易受破坏的基础或构筑物上,同时加以保护。基准点布置完后进行复核,同时与原有水准基点标高进行比较,如发现水准点有疑问,除及时向设计单位查询外,可采用两个水准点为一环进行闭合测量,确定两点的高程差。看两水准点的闭合差是否在12√KMM以内(K为两点间水平距离,以公里计)。三、填挖方施工测量每一地段开工前根据设计图纸放线,测设中心桩、边线桩、各主要构筑物位置桩。施工放样应是进行道路红线边桩的测设,并清表工作,待清表完成后,进行路基施工放样。木桩采用5×5CM方木,桩上标明里程,回填面高,开挖深度以及中心轴线。施工中应经常检查各测量桩,对遗失或位置移动者随时补订校正。四、管道施工测量attentiontoimprovingthequalityandefficiencyofdevelopmentandpaymoreattentiontosecurityandreformthepeople"slivelihood,morefocusonmaintainingsocialharmonyandstability,andpromotethedevelopmentoftownshipeconomyinabetterandfaster,createanewnormalXXdevelopmentandlayamoresolidfoundationforXXbuildawell-offsociety.Completedtasksthisyear,wemustalwayspayspecialattentiontotheprimarytaskofdevelopment.XXweakeconomicbase,lowlevelsofdevelopment,economicconstructionistheCenter,wehavetocreateconditionsforfastereconomicdevelopment,accumulatingmorewealth,betterpeople"slives.Effortshouldbemadetothisyear"seconomicgrowth,revenuegrowth,peoplehavemaintainedahighrateofincomegrowth,GDPgrowthofmorethan15percentrespectively.Alwaysgraspthefundamentalimpetusforreform.Wearenow"nosoldiersbehind"manyindicatorsrankedinthebottomofthecountyfromgettingbigger.Onlybygoingallouttohardwork,hardwork,innovation,reformdoesnotadapttoinstitutionalmechanisms,practices,itispossibletochangethefaceofXXpoor,intoawell-offsocietytogetherwithpeopleacrossthecountry.Wewanttobreaktheoldpatternsofthinking,methodsandorganizationofwork,bravelyandboldlyinto,makingfulluseofalltheadvantages,comprehensivereforms,tomakeallitsvitalityfordevelopmentimpulse,letfullplaytoallsourcesofwealthcreation.Shouldalwaysstability119 1、施工中测量管道中线,按给定的中线控制点,在现场测设出中线的起点、终点、平面折点、纵向折点及直线控制中心桩,并在起点、终点及平面折点的沟槽外适当位置,设置方向控制桩,并且通过拉尺测量确定桩号。2,、管道施工放样对于深度超过2m的沟槽应放出开挖坡顶线,开挖至设计的沟槽底后,应立即恢复管道中心桩,以便控制基础垫层施工厚度及沟槽底的排水边沟。施工段各井位桩应设置明显标志。3、施工现场上各坐标控制点、水准点、交桩点及各直线方向点、转角均进行复测加密,并报监理单位进行复测后方允许施工使用,操作人员必须认真学习有关技术要求,严格按照操作规范进行操作,增强责任心,加强复测复核工作,提高精度要求。4、测量放线及时,工序施工完成后,必须按监理要求进行报检复测,工程验收的测量资料必须报送监理工程师,以便校核审查和归档整理。五、桥涵施工测量1、对导线及水准控制点定期复测,以确保导线点,水准点的准确及测量精度。水平测量,采用四等水平测量,补充施工临时水准点,为了防止差错,施工测量必须至少由两人相互检查校对,并作出测量和检查核对记录。并已上报监理部门且已同意使用,导线坐标放样,水平测量精度须满足规范要求。2、桥梁施工控制点应引测至施工范围内,方便随时测量放样,每根桩基放样必须经过复核,终孔后安放钢筋笼时应再次复核桩孔中心位置。第三节路基工程attentiontoimprovingthequalityandefficiencyofdevelopmentandpaymoreattentiontosecurityandreformthepeople"slivelihood,morefocusonmaintainingsocialharmonyandstability,andpromotethedevelopmentoftownshipeconomyinabetterandfaster,createanewnormalXXdevelopmentandlayamoresolidfoundationforXXbuildawell-offsociety.Completedtasksthisyear,wemustalwayspayspecialattentiontotheprimarytaskofdevelopment.XXweakeconomicbase,lowlevelsofdevelopment,economicconstructionistheCenter,wehavetocreateconditionsforfastereconomicdevelopment,accumulatingmorewealth,betterpeople"slives.Effortshouldbemadetothisyear"seconomicgrowth,revenuegrowth,peoplehavemaintainedahighrateofincomegrowth,GDPgrowthofmorethan15percentrespectively.Alwaysgraspthefundamentalimpetusforreform.Wearenow"nosoldiersbehind"manyindicatorsrankedinthebottomofthecountyfromgettingbigger.Onlybygoingallouttohardwork,hardwork,innovation,reformdoesnotadapttoinstitutionalmechanisms,practices,itispossibletochangethefaceofXXpoor,intoawell-offsocietytogetherwithpeopleacrossthecountry.Wewanttobreaktheoldpatternsofthinking,methodsandorganizationofwork,bravelyandboldlyinto,makingfulluseofalltheadvantages,comprehensivereforms,tomakeallitsvitalityfordevelopmentimpulse,letfullplaytoallsourcesofwealthcreation.Shouldalwaysstability119 一、路基挖填方概况1、路基挖方:该项目路基挖方为248413m3,挖方沿线均有分布。2、路基填方:填方量147617m3,填方沿线均有分布。3、特殊路基处理:路基范围内的软弱土层全部挖除后,满铺1层双向45KN/m钢塑土工格栅,然后换填砂性土,并分层碾压至路基顶标高。分层厚30~50cm,碾压采用重型压路机反复碾压。二、路堑施工1、路堑施工工艺图如下:测量放线清除表土土方开挖工序验收整修边坡、清底、压实、路拱、整形水沟及防护工程验收进入下一循环拢堆、弃土指定地移挖作填或弃方attentiontoimprovingthequalityandefficiencyofdevelopmentandpaymoreattentiontosecurityandreformthepeople"slivelihood,morefocusonmaintainingsocialharmonyandstability,andpromotethedevelopmentoftownshipeconomyinabetterandfaster,createanewnormalXXdevelopmentandlayamoresolidfoundationforXXbuildawell-offsociety.Completedtasksthisyear,wemustalwayspayspecialattentiontotheprimarytaskofdevelopment.XXweakeconomicbase,lowlevelsofdevelopment,economicconstructionistheCenter,wehavetocreateconditionsforfastereconomicdevelopment,accumulatingmorewealth,betterpeople"slives.Effortshouldbemadetothisyear"seconomicgrowth,revenuegrowth,peoplehavemaintainedahighrateofincomegrowth,GDPgrowthofmorethan15percentrespectively.Alwaysgraspthefundamentalimpetusforreform.Wearenow"nosoldiersbehind"manyindicatorsrankedinthebottomofthecountyfromgettingbigger.Onlybygoingallouttohardwork,hardwork,innovation,reformdoesnotadapttoinstitutionalmechanisms,practices,itispossibletochangethefaceofXXpoor,intoawell-offsocietytogetherwithpeopleacrossthecountry.Wewanttobreaktheoldpatternsofthinking,methodsandorganizationofwork,bravelyandboldlyinto,makingfulluseofalltheadvantages,comprehensivereforms,tomakeallitsvitalityfordevelopmentimpulse,letfullplaytoallsourcesofwealthcreation.Shouldalwaysstability119 2、路堑开挖控制要点:开挖前期准备工作---开挖过程中严格控制---降低外界不利因素影响(1)开挖前期准备工作:按设计要求,恢复线路中桩,定出路堑坡口、截水沟、边沟、护坡道等具体位置桩,表明其轮廓;做好堑顶截、排水沟施工,保持开挖面排水畅通,并与原有排水系统相连接,使排出的水不危及附近建筑物及路堤并根据现场情况做好防渗措施;检查坡顶、坡面,对危石、裂缝和其他不稳定因素须妥善处理。(2)开挖过程中应注意问题:路堑开挖采用机械化作业,用挖掘机配合自卸车。为防止超挖,路堑开挖时边坡应预留20cm用人工进行修整,做到边坡正确、坡面平直、圆顺,严禁掏底开挖。施工现场土层性质与设计发生变化时,及时修改施工方案,并报监理工程师批准后再组织施工;为保证边坡顺直、避免出现超挖现象,开挖深度每2米复核一次中线。三、特殊路基处理1、施工准备在软基处理和路基填筑前先做好施工准备,一般路段须先清理,整平,清除表土,杂草和浮泥等,并开挖出纵横向排水沟排除积水,做好临时排水沟,然后晾干压实。2、零散浅挖路基处理地基表层为粘性土组成的素填土,局部混砂,碎石等,主要作为原有海提及陆域表层填料,平均标准贯入击数=8击。为保证80cm土质路床的压实度满足设计要求,因此在路基填土高度小于路面结构层和路床总厚度的路段及浅挖路段,将地基表层土翻挖至路面结构层下80cm,并分层回填压实,分层的最大松铺厚度不得超过30cm,压实度满足设计要求。attentiontoimprovingthequalityandefficiencyofdevelopmentandpaymoreattentiontosecurityandreformthepeople"slivelihood,morefocusonmaintainingsocialharmonyandstability,andpromotethedevelopmentoftownshipeconomyinabetterandfaster,createanewnormalXXdevelopmentandlayamoresolidfoundationforXXbuildawell-offsociety.Completedtasksthisyear,wemustalwayspayspecialattentiontotheprimarytaskofdevelopment.XXweakeconomicbase,lowlevelsofdevelopment,economicconstructionistheCenter,wehavetocreateconditionsforfastereconomicdevelopment,accumulatingmorewealth,betterpeople"slives.Effortshouldbemadetothisyear"seconomicgrowth,revenuegrowth,peoplehavemaintainedahighrateofincomegrowth,GDPgrowthofmorethan15percentrespectively.Alwaysgraspthefundamentalimpetusforreform.Wearenow"nosoldiersbehind"manyindicatorsrankedinthebottomofthecountyfromgettingbigger.Onlybygoingallouttohardwork,hardwork,innovation,reformdoesnotadapttoinstitutionalmechanisms,practices,itispossibletochangethefaceofXXpoor,intoawell-offsocietytogetherwithpeopleacrossthecountry.Wewanttobreaktheoldpatternsofthinking,methodsandorganizationofwork,bravelyandboldlyinto,makingfulluseofalltheadvantages,comprehensivereforms,tomakeallitsvitalityfordevelopmentimpulse,letfullplaytoallsourcesofwealthcreation.Shouldalwaysstability119 路基填料最小压实度要求表填挖类型路面底面以下深度(cm)最小压实度(%)填方0-309630-809680-1509415093挖方0-309630-80963、软基处理(1)换填①在道路范围内,把影响路基稳定性的软土、淤泥用人工或机械挖除,换填材料采用级配良好的中、粗砂,砂含泥量不超过5%以及渗透系数符合要求,且不含有机质、垃圾等杂物。②将软土挖除干净,并将底部整平;换填前,根据设计和技术规范对基底进行验收,并通过监理工程师签认。③在路基填土高坡小于路面结构层和路床总厚度的路段以及浅挖路段,将地基表层土翻挖至路面结构层下80cm,并分层回填压实。④路基换填处理应严格按照路基填土施工方法、工序、工艺进行分层填土,压实整平,每层松铺30cm,压实厚度根据试验段确定。当换填区的地下水位较高时,应加强排水措施。四、填土路堤attentiontoimprovingthequalityandefficiencyofdevelopmentandpaymoreattentiontosecurityandreformthepeople"slivelihood,morefocusonmaintainingsocialharmonyandstability,andpromotethedevelopmentoftownshipeconomyinabetterandfaster,createanewnormalXXdevelopmentandlayamoresolidfoundationforXXbuildawell-offsociety.Completedtasksthisyear,wemustalwayspayspecialattentiontotheprimarytaskofdevelopment.XXweakeconomicbase,lowlevelsofdevelopment,economicconstructionistheCenter,wehavetocreateconditionsforfastereconomicdevelopment,accumulatingmorewealth,betterpeople"slives.Effortshouldbemadetothisyear"seconomicgrowth,revenuegrowth,peoplehavemaintainedahighrateofincomegrowth,GDPgrowthofmorethan15percentrespectively.Alwaysgraspthefundamentalimpetusforreform.Wearenow"nosoldiersbehind"manyindicatorsrankedinthebottomofthecountyfromgettingbigger.Onlybygoingallouttohardwork,hardwork,innovation,reformdoesnotadapttoinstitutionalmechanisms,practices,itispossibletochangethefaceofXXpoor,intoawell-offsocietytogetherwithpeopleacrossthecountry.Wewanttobreaktheoldpatternsofthinking,methodsandorganizationofwork,bravelyandboldlyinto,makingfulluseofalltheadvantages,comprehensivereforms,tomakeallitsvitalityfordevelopmentimpulse,letfullplaytoallsourcesofwealthcreation.Shouldalwaysstability119 填方路基以推土机、压路机为主,配以装载机、挖掘机和自卸车装运。摊铺采用推土机,压实采用大吨位压路机进行压实。路基基底及每层路堤施工完成后,及时进行该层压实度检测。采用试验段确定压实厚度及遍数。1、施工准备(1)、技术准备。在施工前,项目部组织由技术经验人员对设计图纸、文件进行全面认真审查,结合对现场进行针对性的勘察记录,编制科学合理施工方案,下发分项施工技术交底,指导作业。(2)、土工试验。由中心实验室对填料进行土工试验,测试填料最佳含水量、液限、塑性指数、相对密度、最大干密度、承载比等指标,为土方施工提供各项试验数据以确定符合要求的填料。(3)、土石方调配。以就近取材为原则,即可减少弃土石方量,也可减少建筑垃圾、保护生态环境,减少环境污染。(4)、测量放样。路线复测后,进行导线、高程桩加密。按照设计要求及地面标高,确定路堤坡脚线。原则上路基填筑两侧边坡应超出设计各50cm,以确保路基填方边坡的压实度,待完成一段后,采用反铲挖掘机重新修筑至设计要求。2、路基试验段(1)、试验目的。确定不同机具压实合格填料的最佳含水量、适宜的松铺厚度和相应的碾压遍数、最佳的机械组合来指导全线施工。(2)、试验段位置的选择。根据现场情况,选定不小于100m的填方区做为试验段。(3)、试验段施工组织和施工安排A、试验段管理及施工人员配备表attentiontoimprovingthequalityandefficiencyofdevelopmentandpaymoreattentiontosecurityandreformthepeople"slivelihood,morefocusonmaintainingsocialharmonyandstability,andpromotethedevelopmentoftownshipeconomyinabetterandfaster,createanewnormalXXdevelopmentandlayamoresolidfoundationforXXbuildawell-offsociety.Completedtasksthisyear,wemustalwayspayspecialattentiontotheprimarytaskofdevelopment.XXweakeconomicbase,lowlevelsofdevelopment,economicconstructionistheCenter,wehavetocreateconditionsforfastereconomicdevelopment,accumulatingmorewealth,betterpeople"slives.Effortshouldbemadetothisyear"seconomicgrowth,revenuegrowth,peoplehavemaintainedahighrateofincomegrowth,GDPgrowthofmorethan15percentrespectively.Alwaysgraspthefundamentalimpetusforreform.Wearenow"nosoldiersbehind"manyindicatorsrankedinthebottomofthecountyfromgettingbigger.Onlybygoingallouttohardwork,hardwork,innovation,reformdoesnotadapttoinstitutionalmechanisms,practices,itispossibletochangethefaceofXXpoor,intoawell-offsocietytogetherwithpeopleacrossthecountry.Wewanttobreaktheoldpatternsofthinking,methodsandorganizationofwork,bravelyandboldlyinto,makingfulluseofalltheadvantages,comprehensivereforms,tomakeallitsvitalityfordevelopmentimpulse,letfullplaytoallsourcesofwealthcreation.Shouldalwaysstability119 B、试验段施工主要机械配备表C、试验段施工计划起讫时间3、填料要求充分利用路堑挖方及适宜的填土料作路堤填料。4、工艺流程采用“三阶段、四区段、八流程”的施工方法,三阶段:准备阶段、施工阶段、竣工阶段;四区段:填筑区、平整区、碾压区、检验区;八流程:施工准备、基底处理、分层填筑、摊铺整平、洒水或晾晒、碾压密实、检验签证、路基整修。实施区段流水作业,确保路堤填筑质量。路堤由最低一层填起,逐层向上填筑;填土按设计要求分层辗压密实,每层厚度不大于30cm,不小于15cm,压实度达规范及设计要求。5、施工注意事项(1)、测量放线A、根据导线桩点,恢复线路中心控制点。B、测设中心桩,按整10m点和曲线起迄点等控制路基中心的各点测设中心桩,桩面用红漆写明里程桩号。C、根据放好的路基中心桩,测设路基边坡线,测出各桩位左、中、右三点的高程,做好记录,计算出各桩号左右两侧的路基填筑宽度。D、按路堤设计顶面宽度加宽50cm(以保证边坡压实密度和压路机械的安全而增加的宽度)放边线点,再用石灰沿边线播撒形成两条白色的边线作为填土范围的明显标记。(2)、基底处理attentiontoimprovingthequalityandefficiencyofdevelopmentandpaymoreattentiontosecurityandreformthepeople"slivelihood,morefocusonmaintainingsocialharmonyandstability,andpromotethedevelopmentoftownshipeconomyinabetterandfaster,createanewnormalXXdevelopmentandlayamoresolidfoundationforXXbuildawell-offsociety.Completedtasksthisyear,wemustalwayspayspecialattentiontotheprimarytaskofdevelopment.XXweakeconomicbase,lowlevelsofdevelopment,economicconstructionistheCenter,wehavetocreateconditionsforfastereconomicdevelopment,accumulatingmorewealth,betterpeople"slives.Effortshouldbemadetothisyear"seconomicgrowth,revenuegrowth,peoplehavemaintainedahighrateofincomegrowth,GDPgrowthofmorethan15percentrespectively.Alwaysgraspthefundamentalimpetusforreform.Wearenow"nosoldiersbehind"manyindicatorsrankedinthebottomofthecountyfromgettingbigger.Onlybygoingallouttohardwork,hardwork,innovation,reformdoesnotadapttoinstitutionalmechanisms,practices,itispossibletochangethefaceofXXpoor,intoawell-offsocietytogetherwithpeopleacrossthecountry.Wewanttobreaktheoldpatternsofthinking,methodsandorganizationofwork,bravelyandboldlyinto,makingfulluseofalltheadvantages,comprehensivereforms,tomakeallitsvitalityfordevelopmentimpulse,letfullplaytoallsourcesofwealthcreation.Shouldalwaysstability119 施工前对路基范围内的有机杂质、淤泥、泥炭、软土、草丛、各类溶穴、水井、池塘均应妥善处理;在路基施工范围内,对妨碍施工的树木、灌木丛等均应在施工前进行砍伐或移植清理,并将路基范围内的树根全部挖除,并将坑穴填平夯实。(3)、土工试验施工前对各土场的土质做颗粒分析、液塑性指数、击实试验、最佳含水量等试验,以试验数据指导现场施工,对不合格的土质杜绝用于施工。(4)、摊铺填土作业按照路基横断面全宽纵向分层填土,填土分层厚度根据机械性能、设计密度、不同填料等经过试验确定,一般每层松铺厚度不大于30cm,不小于15cm,由低处向高处,由两边向路中心填筑。测量人员跟随压路机及时检测密实度,根据各桩号底层标高,控制好表层的顶面标高,使填土达到控制的厚度,并注意松铺厚度。控制松铺厚度与填土层高程可采用在路基两侧测设竹竿标示分层填高,用红油漆标示明显。对于上路床的各层填土,应严格控制各层填土标高,形成纵坡。土方填筑采用机械化流水作业施工,即挖掘机挖装、自卸车拉运、推土机推平、平地机精平、压路机碾压、密实度检测等施工工序。填土作业全断面、全宽度纵向分层回填,由低处向高处、由两边向中心填筑;施工中要严加控制松铺厚度,测量人员根据各桩号底层标高,控制好表层的顶面标高,使填土达到控制的厚度,太厚的要推薄、太薄的要加厚;为确保路堤边缘有足够的压实度,每边要比设计宽度超填30cmattentiontoimprovingthequalityandefficiencyofdevelopmentandpaymoreattentiontosecurityandreformthepeople"slivelihood,morefocusonmaintainingsocialharmonyandstability,andpromotethedevelopmentoftownshipeconomyinabetterandfaster,createanewnormalXXdevelopmentandlayamoresolidfoundationforXXbuildawell-offsociety.Completedtasksthisyear,wemustalwayspayspecialattentiontotheprimarytaskofdevelopment.XXweakeconomicbase,lowlevelsofdevelopment,economicconstructionistheCenter,wehavetocreateconditionsforfastereconomicdevelopment,accumulatingmorewealth,betterpeople"slives.Effortshouldbemadetothisyear"seconomicgrowth,revenuegrowth,peoplehavemaintainedahighrateofincomegrowth,GDPgrowthofmorethan15percentrespectively.Alwaysgraspthefundamentalimpetusforreform.Wearenow"nosoldiersbehind"manyindicatorsrankedinthebottomofthecountyfromgettingbigger.Onlybygoingallouttohardwork,hardwork,innovation,reformdoesnotadapttoinstitutionalmechanisms,practices,itispossibletochangethefaceofXXpoor,intoawell-offsocietytogetherwithpeopleacrossthecountry.Wewanttobreaktheoldpatternsofthinking,methodsandorganizationofwork,bravelyandboldlyinto,makingfulluseofalltheadvantages,comprehensivereforms,tomakeallitsvitalityfordevelopmentimpulse,letfullplaytoallsourcesofwealthcreation.Shouldalwaysstability119 以上,以便压路机能碾压到位,待路基填至设计标高后,再按设计宽度和坡率要求将超宽边坡用反铲配以人工刷整到位,刷出来的边坡土方可重新利用于路基填筑;分层填筑时,要按设计要求控制横坡,以利层面排水,雨期施工要适当加大横坡,避免积水。施工时要勤测填土含水量,一般含水量控制在最佳含水量的±2%以内,土质太干时用水车洒水湿润,太湿时在取土场或填筑现场翻填晾晒。填土区段完成一层填筑后,摊铺平整,使填层面纵横向平顺均匀,以保证压路机碾压轮面均匀地接触地面进行压实,达到压实效果,推土机摊铺整平的同时,为了使路肩部位行到充分的压实,采用推土机按主线轴线方向45°角前后交叉进行压实,这样路肩部位的压实密度得到了保证,使压路机进行碾压时,路肩不至滑坡。(5)、路基压实压实采用振动式压路机碾压。压实前,对填土层的分层厚度、平整度和含水量进行检查,确认符合要求并经监理工程师同意后方进行碾压。碾压遍数由实验路段提供的参数确定,碾压顺序从两侧逐渐向中间,每次碾压轮迹重叠15~20cm,避免漏压;碾压过程中要控制压路机行驶速度不大于2Km/h;完成压实后的表面应无空鼓、轮迹和无隆起、裂纹、起皮、松散等现象,如压实过程中含水量不够应洒水,如含水量超过最佳含水量时,翻晒后再进行平整碾压。压实结束后及时进行密实度检测,密实度不够要继续碾压。要求处理完以后的路基顶面回弹模量不小于30MPa。(6)、施工检测attentiontoimprovingthequalityandefficiencyofdevelopmentandpaymoreattentiontosecurityandreformthepeople"slivelihood,morefocusonmaintainingsocialharmonyandstability,andpromotethedevelopmentoftownshipeconomyinabetterandfaster,createanewnormalXXdevelopmentandlayamoresolidfoundationforXXbuildawell-offsociety.Completedtasksthisyear,wemustalwayspayspecialattentiontotheprimarytaskofdevelopment.XXweakeconomicbase,lowlevelsofdevelopment,economicconstructionistheCenter,wehavetocreateconditionsforfastereconomicdevelopment,accumulatingmorewealth,betterpeople"slives.Effortshouldbemadetothisyear"seconomicgrowth,revenuegrowth,peoplehavemaintainedahighrateofincomegrowth,GDPgrowthofmorethan15percentrespectively.Alwaysgraspthefundamentalimpetusforreform.Wearenow"nosoldiersbehind"manyindicatorsrankedinthebottomofthecountyfromgettingbigger.Onlybygoingallouttohardwork,hardwork,innovation,reformdoesnotadapttoinstitutionalmechanisms,practices,itispossibletochangethefaceofXXpoor,intoawell-offsocietytogetherwithpeopleacrossthecountry.Wewanttobreaktheoldpatternsofthinking,methodsandorganizationofwork,bravelyandboldlyinto,makingfulluseofalltheadvantages,comprehensivereforms,tomakeallitsvitalityfordevelopmentimpulse,letfullplaytoallsourcesofwealthcreation.Shouldalwaysstability119 做好路堤填筑中线、标高、宽度、路拱以密实度的检测控制,每层压实后及时进行密实度的检测,采用环刀或灌砂筒进行检测,并做好记录,经监理工程师抽查合格同意后方可继续回填上一层。每填两层进行一次水平和方向检测,并标出其宽度和标高,由测量人员随时向施工人员交底,做到人人清楚,以确保路基填筑的方向、标高、坡率等准确无误。(7)、路基压实标准路基压实采用重型击实试验数据下的压实标准,路基填料最大粒径及压实度指标应符合规范的要求,否则应采取必要措施,满足相关要求后方可使用。路基填料最小压实度要求详见P18页。(8)、路基成型整修路基填到设计标高后,恢复中线和水平控制线,按设计宽度、坡率、台阶对路基边坡进行修整,先用反铲刷除超填部分,并预留10~20cm宽用人工修整、拍压,使边坡顺直、平整、密实;同时用推土机、平地机、压路机对路床进行整平、碾压,使其达到设计及验收规范要求。路床整形后,应及时安排路堤防护施工,以免边坡冲刷。第四节管线工程一、概况1、雨水工程⑴主线及辅道主要的排雨水走向:①桩号K0+000~K0+942段,雨水管道自道路南北两端向中间排放,排入桩号K0+732处一孔5.0m×2.0m涵洞;②桩号K0+942~K1+605及K1+605~K1+900西侧段,雨水管道自道路南北两端向中间排放,排入桩号K1+605处两孔5.0m×2.0m涵洞;③桩号K1+605~K1+925东侧及K1+925~K2+190段,雨水管道自道路南北两端向中间排放,排入桩号K1+925处一孔4.0m×2.0m涵洞;④attentiontoimprovingthequalityandefficiencyofdevelopmentandpaymoreattentiontosecurityandreformthepeople"slivelihood,morefocusonmaintainingsocialharmonyandstability,andpromotethedevelopmentoftownshipeconomyinabetterandfaster,createanewnormalXXdevelopmentandlayamoresolidfoundationforXXbuildawell-offsociety.Completedtasksthisyear,wemustalwayspayspecialattentiontotheprimarytaskofdevelopment.XXweakeconomicbase,lowlevelsofdevelopment,economicconstructionistheCenter,wehavetocreateconditionsforfastereconomicdevelopment,accumulatingmorewealth,betterpeople"slives.Effortshouldbemadetothisyear"seconomicgrowth,revenuegrowth,peoplehavemaintainedahighrateofincomegrowth,GDPgrowthofmorethan15percentrespectively.Alwaysgraspthefundamentalimpetusforreform.Wearenow"nosoldiersbehind"manyindicatorsrankedinthebottomofthecountyfromgettingbigger.Onlybygoingallouttohardwork,hardwork,innovation,reformdoesnotadapttoinstitutionalmechanisms,practices,itispossibletochangethefaceofXXpoor,intoawell-offsocietytogetherwithpeopleacrossthecountry.Wewanttobreaktheoldpatternsofthinking,methodsandorganizationofwork,bravelyandboldlyinto,makingfulluseofalltheadvantages,comprehensivereforms,tomakeallitsvitalityfordevelopmentimpulse,letfullplaytoallsourcesofwealthcreation.Shouldalwaysstability119 桩号K2+190~K2+600段,雨水管道自北向南排放,排入桩号K2+585处一孔4.0m×2.0m涵洞;⑤桩号K2+600~K2+920段,雨水管道自北向南排放,排入后溪;⑵预留管设置原则:每100-150m设置预留支管,便于路块内雨水接入,预留支管管径DN600mm,预留支管末端设预留井,距离道路红线1.0m。⑶不同管材用途:雨水管道管径≤600mm,采用HDPE高密度聚乙烯缠绕增强管,不锈钢卡箍连接,砂基础;DN<600管径,采用带管座钢筋砼Ⅱ级管,橡胶圈接口;⑷路线范围内既有的管线情况:现状国道324线为公路,两侧无非机动车道及人行道,现状管线均布置在道路范围外;沿线主要布置有10KV电力架空线(双侧)、给谁管道(单侧)、军用电缆(双侧)、通信电缆、路灯电缆(双侧)等管线,排水主要依靠道路两侧道路边沟(双侧);⑸先深后浅是排水工程施工的基本原则,先行施工埋深较深的井段,使已铺设的下游管道先期投入使用,供后段工程的施工排水。本工程排水体制采用雨污分流体制,雨水通过道路下市政雨水系统就近排入北侧海域。雨水管道系统设计包括设计路面下所有雨水口、雨水检查井、雨水管道、预留支管。2、给水工程给水管道布置于道路两侧辅道下,距离绿化带边线均为1.0m。道路西侧管径DN800,道路东侧为DN500.给水管采用球墨铸铁管,路外场地内用水设DN200管道接口,间隔约100~120米,其余各相交道路按规划要求进行连通。3、污水工程attentiontoimprovingthequalityandefficiencyofdevelopmentandpaymoreattentiontosecurityandreformthepeople"slivelihood,morefocusonmaintainingsocialharmonyandstability,andpromotethedevelopmentoftownshipeconomyinabetterandfaster,createanewnormalXXdevelopmentandlayamoresolidfoundationforXXbuildawell-offsociety.Completedtasksthisyear,wemustalwayspayspecialattentiontotheprimarytaskofdevelopment.XXweakeconomicbase,lowlevelsofdevelopment,economicconstructionistheCenter,wehavetocreateconditionsforfastereconomicdevelopment,accumulatingmorewealth,betterpeople"slives.Effortshouldbemadetothisyear"seconomicgrowth,revenuegrowth,peoplehavemaintainedahighrateofincomegrowth,GDPgrowthofmorethan15percentrespectively.Alwaysgraspthefundamentalimpetusforreform.Wearenow"nosoldiersbehind"manyindicatorsrankedinthebottomofthecountyfromgettingbigger.Onlybygoingallouttohardwork,hardwork,innovation,reformdoesnotadapttoinstitutionalmechanisms,practices,itispossibletochangethefaceofXXpoor,intoawell-offsocietytogetherwithpeopleacrossthecountry.Wewanttobreaktheoldpatternsofthinking,methodsandorganizationofwork,bravelyandboldlyinto,makingfulluseofalltheadvantages,comprehensivereforms,tomakeallitsvitalityfordevelopmentimpulse,letfullplaytoallsourcesofwealthcreation.Shouldalwaysstability119 污水管道采用双侧布置在道路两侧辅道及绿化带内。①桩号K0+198~K2+110段,污水管道自道路南北两端向中间排放,在桩号K1+820处汇集排入道路西侧污水泵站,经泵站提升至桩号K2+260处污水检查井WE49,泵站规模为9000m³/d;桩号K0+198~K1+380两侧管位距离道路中心线均为18.5m,桩号K1+380~K2+110西侧管位距离道路中心线18.5m,东侧管位距离道路中心线22.25m;本段污水重力管管径为D300~D400,泵站出水管管径DN400.②桩号K2+260~K2+883.640段,污水管道沿道路自北向南排放,在桩号K2+883.604处,西侧污水往东侧汇集,最终向东排入新孙坂路污水管道系统;本段污水干管管径为D300~D500。4、燃气工程燃气管道布置在道路东侧人行道下,距道路边线1.0米;管径为DN300,路边地块用气设DN80接口。管径小于DN300管道采用燃气用PE管,管径大于或等于DN300管道采用螺旋缝焊接钢管。5、电缆工程①10KV电力电缆布置于缆线共同沟内,施工容量为16孔;缆线共同沟外电缆沟或电力电缆与各相交道路据现状或规划要求进行连接。路外场地内预留6根DN150管道接口。电缆沟或电力电缆穿越交叉路口时,采用DN150砼包封钢套管,分层及并列布设,并于交叉口两侧设置电缆人井,以便将电力排管与电缆沟相接。②attentiontoimprovingthequalityandefficiencyofdevelopmentandpaymoreattentiontosecurityandreformthepeople"slivelihood,morefocusonmaintainingsocialharmonyandstability,andpromotethedevelopmentoftownshipeconomyinabetterandfaster,createanewnormalXXdevelopmentandlayamoresolidfoundationforXXbuildawell-offsociety.Completedtasksthisyear,wemustalwayspayspecialattentiontotheprimarytaskofdevelopment.XXweakeconomicbase,lowlevelsofdevelopment,economicconstructionistheCenter,wehavetocreateconditionsforfastereconomicdevelopment,accumulatingmorewealth,betterpeople"slives.Effortshouldbemadetothisyear"seconomicgrowth,revenuegrowth,peoplehavemaintainedahighrateofincomegrowth,GDPgrowthofmorethan15percentrespectively.Alwaysgraspthefundamentalimpetusforreform.Wearenow"nosoldiersbehind"manyindicatorsrankedinthebottomofthecountyfromgettingbigger.Onlybygoingallouttohardwork,hardwork,innovation,reformdoesnotadapttoinstitutionalmechanisms,practices,itispossibletochangethefaceofXXpoor,intoawell-offsocietytogetherwithpeopleacrossthecountry.Wewanttobreaktheoldpatternsofthinking,methodsandorganizationofwork,bravelyandboldlyinto,makingfulluseofalltheadvantages,comprehensivereforms,tomakeallitsvitalityfordevelopmentimpulse,letfullplaytoallsourcesofwealthcreation.Shouldalwaysstability119 110KV电力电缆,K2+866.489(新孙坂路)~K3+100(后溪)段布置六回110KV电力电缆:东蔡变~霞店变(1回)、华电燃气变~苏厝变(2回)、苏厝变~新正新变(2回)、苏厝变~后溪变(1回)。110KV高压电力管线敷设于电缆隧道内。③通信电缆布置于缆线共同沟内,施工容量为16孔;缆线共同沟外通信管道采用高强度塑料套管敷设,各相交道路口按规划或现状位置设置连通井引出支线。路外场地内预留6根套管接口。④有线电视电缆布置于缆线共同沟内,施工容量为2孔。缆线共同沟外有线电视电缆采用2孔DN100套管埋设,管材为镀锌钢管。交叉路口根据相应现状或规划管位预埋横穿,路外场地设横穿预留。⑤交通信号电缆布置于缆线共同沟内,容量为1孔。缆线共同沟外交通信号电缆在各交叉口范围内利用套管保护环绕一周布设,以满足交通设施布置需要。⑥军用电缆采用双侧布置于道路两侧辅道下,距离绿化带边线2.5米;容量均为6孔。⑦路灯电缆不进入缆线共同沟。路灯电缆采用双侧布置于两侧绿化带内,距离机动车道路缘石0.5米。路灯电缆采用PVC套管铺设,过交叉口路段,电缆采用DN100镀锌钢管套管铺设。6、中水管道工程中水管道布置于道路东侧绿化带内,距离机动车道边线0.5m,管径为DN200。管材采用聚乙烯塑钢复合管道。路外场地内用水设DN50管道接口。7、绿化浇灌管道工程绿化浇灌管道共4根,分别位于两侧绿化带下。管径DN75~DN100,管材采用PE管。8、缆线共同沟工程attentiontoimprovingthequalityandefficiencyofdevelopmentandpaymoreattentiontosecurityandreformthepeople"slivelihood,morefocusonmaintainingsocialharmonyandstability,andpromotethedevelopmentoftownshipeconomyinabetterandfaster,createanewnormalXXdevelopmentandlayamoresolidfoundationforXXbuildawell-offsociety.Completedtasksthisyear,wemustalwayspayspecialattentiontotheprimarytaskofdevelopment.XXweakeconomicbase,lowlevelsofdevelopment,economicconstructionistheCenter,wehavetocreateconditionsforfastereconomicdevelopment,accumulatingmorewealth,betterpeople"slives.Effortshouldbemadetothisyear"seconomicgrowth,revenuegrowth,peoplehavemaintainedahighrateofincomegrowth,GDPgrowthofmorethan15percentrespectively.Alwaysgraspthefundamentalimpetusforreform.Wearenow"nosoldiersbehind"manyindicatorsrankedinthebottomofthecountyfromgettingbigger.Onlybygoingallouttohardwork,hardwork,innovation,reformdoesnotadapttoinstitutionalmechanisms,practices,itispossibletochangethefaceofXXpoor,intoawell-offsocietytogetherwithpeopleacrossthecountry.Wewanttobreaktheoldpatternsofthinking,methodsandorganizationofwork,bravelyandboldlyinto,makingfulluseofalltheadvantages,comprehensivereforms,tomakeallitsvitalityfordevelopmentimpulse,letfullplaytoallsourcesofwealthcreation.Shouldalwaysstability119 A、缆线共同沟:缆线共同沟断面净尺寸为2.1m×1.8m(净宽2.1m,净高1.8m),纳入了通信16孔、10KV电力16孔、有线电视2孔及交通信号1孔。缆线共同沟布置于道路西侧人行道下,缆沟中心距离道路边线0.6米。缆线共同沟每隔约120~150米或道路交叉口处设置管线引出套管。B、110KV高压电力电缆隧道:110KV高压电力管线过河段采用电缆隧道敷设形式。电缆隧道断面净尺寸为2.5m×2.0m(净宽2.5米,净高2.0米)。二、施工准备工作1、工程交底认真学习设计文件,了解设计意图和要求,并进行现场踏勘,重点检查环境保护、建筑设施、公用管线、交通配合、地区排水以及工程施工等情况。2、现场核查认真分析建设单位提供的地质勘察报告中的工程地质、水文地质资料和工程范围内的地下构筑物和管线的详细资料。对所给资料进行现场核实。对现有的雨水井、管道的高程进行测量,如有与要施工的管道发生冲突的,应及时上报设计人员。3、协调准备开工前与工程所在地有关部门、单位取得联系,召开施工配合会议,取得支持,搞好协调配合工作。4、生产准备(1)、清除(或拆迁)工程范围内所有障碍物。(2)、按施工总平面图修建临时设施及预制场、堆放场,安装水电线路。attentiontoimprovingthequalityandefficiencyofdevelopmentandpaymoreattentiontosecurityandreformthepeople"slivelihood,morefocusonmaintainingsocialharmonyandstability,andpromotethedevelopmentoftownshipeconomyinabetterandfaster,createanewnormalXXdevelopmentandlayamoresolidfoundationforXXbuildawell-offsociety.Completedtasksthisyear,wemustalwayspayspecialattentiontotheprimarytaskofdevelopment.XXweakeconomicbase,lowlevelsofdevelopment,economicconstructionistheCenter,wehavetocreateconditionsforfastereconomicdevelopment,accumulatingmorewealth,betterpeople"slives.Effortshouldbemadetothisyear"seconomicgrowth,revenuegrowth,peoplehavemaintainedahighrateofincomegrowth,GDPgrowthofmorethan15percentrespectively.Alwaysgraspthefundamentalimpetusforreform.Wearenow"nosoldiersbehind"manyindicatorsrankedinthebottomofthecountyfromgettingbigger.Onlybygoingallouttohardwork,hardwork,innovation,reformdoesnotadapttoinstitutionalmechanisms,practices,itispossibletochangethefaceofXXpoor,intoawell-offsocietytogetherwithpeopleacrossthecountry.Wewanttobreaktheoldpatternsofthinking,methodsandorganizationofwork,bravelyandboldlyinto,makingfulluseofalltheadvantages,comprehensivereforms,tomakeallitsvitalityfordevelopmentimpulse,letfullplaytoallsourcesofwealthcreation.Shouldalwaysstability119 (3)、做好排水工作,特别是在多雨时节,防止雨水和地下水的入侵,确保施工范围内的安全和施工的顺利进行。(4)、准备工程材料。提出所用的钢筋砼管件等的加工定货,注明规格、数量及进场时间。5、技术准备(1)、认真进行施工图纸审查。进行设计交底和施工技术交底。(2)、编制钢筋砼管安装的施工方案和操作要点,组织施工人员学习,了然在胸。(3)、根据设计总图作好测量总控制,设置基准点,进行定位放线。6、施工测量排水管道放线,每隔20m设中心桩,在检查井处、变换管径处、分支处、阀门井室处均设中心桩。测量工作有正规的测量记录本,认真详细记录,并将应测量的日期、工作地点、工作内容。测量记录由专人保管,随时备查,作为工程竣工的原始资料。三、沟槽开挖:本工程管线根据埋深情况,采取开槽放坡和支密挡板直槽相结合的形式,开挖沟槽挖深小于1.5m时,采用大开挖。开挖沟槽挖深超过1.5m时,超过部分视土质情况采用密板支撑或大开挖。当管道在原地以上或地面基本无覆土时,须按路基要求换填至设计管顶以上0.50m后,才反开挖沟槽并敷设管道。1、沟槽开挖前工作attentiontoimprovingthequalityandefficiencyofdevelopmentandpaymoreattentiontosecurityandreformthepeople"slivelihood,morefocusonmaintainingsocialharmonyandstability,andpromotethedevelopmentoftownshipeconomyinabetterandfaster,createanewnormalXXdevelopmentandlayamoresolidfoundationforXXbuildawell-offsociety.Completedtasksthisyear,wemustalwayspayspecialattentiontotheprimarytaskofdevelopment.XXweakeconomicbase,lowlevelsofdevelopment,economicconstructionistheCenter,wehavetocreateconditionsforfastereconomicdevelopment,accumulatingmorewealth,betterpeople"slives.Effortshouldbemadetothisyear"seconomicgrowth,revenuegrowth,peoplehavemaintainedahighrateofincomegrowth,GDPgrowthofmorethan15percentrespectively.Alwaysgraspthefundamentalimpetusforreform.Wearenow"nosoldiersbehind"manyindicatorsrankedinthebottomofthecountyfromgettingbigger.Onlybygoingallouttohardwork,hardwork,innovation,reformdoesnotadapttoinstitutionalmechanisms,practices,itispossibletochangethefaceofXXpoor,intoawell-offsocietytogetherwithpeopleacrossthecountry.Wewanttobreaktheoldpatternsofthinking,methodsandorganizationofwork,bravelyandboldlyinto,makingfulluseofalltheadvantages,comprehensivereforms,tomakeallitsvitalityfordevelopmentimpulse,letfullplaytoallsourcesofwealthcreation.Shouldalwaysstability119 开槽前要认真调查了解地上障碍物、地下地质及既有地下管线情况,以便开槽时采取妥善加固保护措施,同时组织好人员及机械,保证施工的顺利进行。2、沟槽开挖方法(1)、土方开挖采用机械开挖,槽底预留20cm由人工清底。开挖过程中严禁超挖,以防扰动已压实地基。对于有地下障碍物(管、缆)的地段由人工开挖,严禁破坏。(2)、沟槽开挖尽量按先深后浅顺序进行,以利排水。(3)、挖槽土方处置,按现场暂存、场外暂存、外运相结合的原则进行。开槽土方凡适宜回填的土选择妥善位置进行堆放,但不得覆盖测量的标记,均暂存于现场用于沟槽回填。回填土施工前制定合理土方调配计划,减少土方外运及现场土方调运。(4)、开槽后及时约请各有关人员验槽,验槽合格后方可进行下道工序。如遇槽底土基不符合设计要求,及时与设计、监理单位及地勘部门联系,共同研究基底处理措施,方可进行下道工序。3、沟槽开挖注意事项(1)、开挖时应向挖机师傅进行详细的施工交底,包括开挖断面,堆土位置,地下情况,安全要求等。(2)、开挖时,沟槽边设立防护围栏,悬挂安全警示牌。(3)、沟槽开挖时应做好降水措施,防止槽底有水浸泡。(4)、槽壁平整,边坡坡度符合施工设计要求。4、安管attentiontoimprovingthequalityandefficiencyofdevelopmentandpaymoreattentiontosecurityandreformthepeople"slivelihood,morefocusonmaintainingsocialharmonyandstability,andpromotethedevelopmentoftownshipeconomyinabetterandfaster,createanewnormalXXdevelopmentandlayamoresolidfoundationforXXbuildawell-offsociety.Completedtasksthisyear,wemustalwayspayspecialattentiontotheprimarytaskofdevelopment.XXweakeconomicbase,lowlevelsofdevelopment,economicconstructionistheCenter,wehavetocreateconditionsforfastereconomicdevelopment,accumulatingmorewealth,betterpeople"slives.Effortshouldbemadetothisyear"seconomicgrowth,revenuegrowth,peoplehavemaintainedahighrateofincomegrowth,GDPgrowthofmorethan15percentrespectively.Alwaysgraspthefundamentalimpetusforreform.Wearenow"nosoldiersbehind"manyindicatorsrankedinthebottomofthecountyfromgettingbigger.Onlybygoingallouttohardwork,hardwork,innovation,reformdoesnotadapttoinstitutionalmechanisms,practices,itispossibletochangethefaceofXXpoor,intoawell-offsocietytogetherwithpeopleacrossthecountry.Wewanttobreaktheoldpatternsofthinking,methodsandorganizationofwork,bravelyandboldlyinto,makingfulluseofalltheadvantages,comprehensivereforms,tomakeallitsvitalityfordevelopmentimpulse,letfullplaytoallsourcesofwealthcreation.Shouldalwaysstability119 下管在沟槽和管道基础已经验收合格后进行,为了防止将不合格或已经损坏的管件及管材下入沟槽,下管前对管材进行检查。在下管前应在槽上排列成行,经核对管节、管件无误方可下管。(1)、机械下管机械下管采用汽车式起重机进行下管。(2)、稳管管道下入槽底之后,按照高程和轴线位置稳管。(3)、管座管子就位后,补灌两侧管座混凝土,认真捣固,抹平管座两边。(4)、管道抹带5、管线的安装工艺流程排管→管子的现场检验→下管→清理管膛、管口→清理胶圈→插口上套胶圈→顶装接口→检查中线、高程→用探尺检查胶圈位置→锁管。6、接口:管道安装完毕立即进行接口,使接口结合成一体。连接时先将管内外杂物清除干净,再按连接方法进行连接。7、各类井:各类检查井及雨水进水井均按设计位置、尺寸规格施工,砌筑时砂浆饱满,上下砌体交错,内外搭接,墙体抹面应压实压光,不得有空鼓,裂缝等现象。留槽在井壁砌到管顶以下即行浇筑,表面平顺,圆滑。安装井圈井盖牢固平稳,座浆饱满,注意与路面高程、坡度相一致。8、沟槽回填沟槽回填应在管道隐蔽工程验收合格后进行。凡具备回填条件,均应及时回填,防止管道暴露时间过长造成损失。沟槽回填施工包括还土、摊平和夯实等施工过程。attentiontoimprovingthequalityandefficiencyofdevelopmentandpaymoreattentiontosecurityandreformthepeople"slivelihood,morefocusonmaintainingsocialharmonyandstability,andpromotethedevelopmentoftownshipeconomyinabetterandfaster,createanewnormalXXdevelopmentandlayamoresolidfoundationforXXbuildawell-offsociety.Completedtasksthisyear,wemustalwayspayspecialattentiontotheprimarytaskofdevelopment.XXweakeconomicbase,lowlevelsofdevelopment,economicconstructionistheCenter,wehavetocreateconditionsforfastereconomicdevelopment,accumulatingmorewealth,betterpeople"slives.Effortshouldbemadetothisyear"seconomicgrowth,revenuegrowth,peoplehavemaintainedahighrateofincomegrowth,GDPgrowthofmorethan15percentrespectively.Alwaysgraspthefundamentalimpetusforreform.Wearenow"nosoldiersbehind"manyindicatorsrankedinthebottomofthecountyfromgettingbigger.Onlybygoingallouttohardwork,hardwork,innovation,reformdoesnotadapttoinstitutionalmechanisms,practices,itispossibletochangethefaceofXXpoor,intoawell-offsocietytogetherwithpeopleacrossthecountry.Wewanttobreaktheoldpatternsofthinking,methodsandorganizationofwork,bravelyandboldlyinto,makingfulluseofalltheadvantages,comprehensivereforms,tomakeallitsvitalityfordevelopmentimpulse,letfullplaytoallsourcesofwealthcreation.Shouldalwaysstability119 填土时应按基底排水方向由高至低分层进行,同时管腔两侧应同时进行。沟槽底至管顶以上50cm的范围内均应采用人工还土,超过管顶50cm以上时可采用机械还土。填土时按分层铺设夯实的要求,每一层应采用人工摊平。沟槽回填土的夯实通常采用人工夯实和机械夯实两种方法。回填压实应逐层进行。管道两侧和管顶以上50cm范围内的压实,采用轻夯夯实,管道两侧夯实面的高差不超过30cm。管顶50cm以上回填时,分层整平和夯实,若使用重型压实机械压实或较重车辆在回填土上行使时,管道顶部以上必须有一定厚度的压实回填土,其厚度通常不小于70cm。(1)、管沟回填前,应符合下列要求A、管线的转折点、起止点、井室的坐标和管顶标高已核验,并通过隐蔽工程验收;B、埋地压力管道在敷设后,经对其坐标、标高、防腐层共检完毕,通过隐蔽工程验收后,即可进行管段主体的回填(接头外露)。管道压力试验及焊口防腐完毕,防腐层固化后,经监理及建设单位检查合格后,填写隐蔽工程记录,并经四方签字后,方可进行管道工作坑的回填和管沟其他层面的回填。C、有要求的井室,在闭水试验合格后方可进行回填;D、沟槽内无积水、杂物等。(2)、管沟回填时,应符合下列规定A、严格控制回填土含水率不得过高。管顶上方500mm范围内,回填土不允许含有有机质和直径大于50毫米的石块;钢管、铸铁管应采用细粒土;塑料管管底腋角90~120°范围内应使用中砂或粗砂回填。B、所有支管与主管连接处均填沙,防止管道因应力引起位移。C、分段回填时相邻段的接茬应呈阶梯形。attentiontoimprovingthequalityandefficiencyofdevelopmentandpaymoreattentiontosecurityandreformthepeople"slivelihood,morefocusonmaintainingsocialharmonyandstability,andpromotethedevelopmentoftownshipeconomyinabetterandfaster,createanewnormalXXdevelopmentandlayamoresolidfoundationforXXbuildawell-offsociety.Completedtasksthisyear,wemustalwayspayspecialattentiontotheprimarytaskofdevelopment.XXweakeconomicbase,lowlevelsofdevelopment,economicconstructionistheCenter,wehavetocreateconditionsforfastereconomicdevelopment,accumulatingmorewealth,betterpeople"slives.Effortshouldbemadetothisyear"seconomicgrowth,revenuegrowth,peoplehavemaintainedahighrateofincomegrowth,GDPgrowthofmorethan15percentrespectively.Alwaysgraspthefundamentalimpetusforreform.Wearenow"nosoldiersbehind"manyindicatorsrankedinthebottomofthecountyfromgettingbigger.Onlybygoingallouttohardwork,hardwork,innovation,reformdoesnotadapttoinstitutionalmechanisms,practices,itispossibletochangethefaceofXXpoor,intoawell-offsocietytogetherwithpeopleacrossthecountry.Wewanttobreaktheoldpatternsofthinking,methodsandorganizationofwork,bravelyandboldlyinto,makingfulluseofalltheadvantages,comprehensivereforms,tomakeallitsvitalityfordevelopmentimpulse,letfullplaytoallsourcesofwealthcreation.Shouldalwaysstability119 D、管沟回填应从管道两侧对称同时进行并分层夯实,不得损坏管子及外防腐层。E、机械夯实每层厚度不应大于300毫米,人工夯实每层厚度不应大于200毫米。管沟回填夯实中,应夯夯相连,不得漏夯。F、管子接口工作坑的回填必须仔细夯实。G、管顶覆土厚度小于700mm时,不得采用大中型机械压实,不得有其他机械设备通行。9、勤测量:排水施工中坚持勤测量,在每道工序施工前,测量工作要跟上要求标高正确无误复检复核二次合格后方能施工,施工完成一道工序后再复核一次。10、施工注意事项(1)、排水工程管道施工时,长度以实测为准。排水检查井位置与节点位置桩号可根据现场实际情况合理调整。(2)、管道安装与铺设应按照从下游往上游或承口向前的原则进行。(3)、在管道施工过程中应避免杂物、石块、泥土等进入管道内,同时应注意地下水的抽排。(4)、施工前应核实现状雨水井的位置及高程,如与设计不符,应及时通知设计人员。attentiontoimprovingthequalityandefficiencyofdevelopmentandpaymoreattentiontosecurityandreformthepeople"slivelihood,morefocusonmaintainingsocialharmonyandstability,andpromotethedevelopmentoftownshipeconomyinabetterandfaster,createanewnormalXXdevelopmentandlayamoresolidfoundationforXXbuildawell-offsociety.Completedtasksthisyear,wemustalwayspayspecialattentiontotheprimarytaskofdevelopment.XXweakeconomicbase,lowlevelsofdevelopment,economicconstructionistheCenter,wehavetocreateconditionsforfastereconomicdevelopment,accumulatingmorewealth,betterpeople"slives.Effortshouldbemadetothisyear"seconomicgrowth,revenuegrowth,peoplehavemaintainedahighrateofincomegrowth,GDPgrowthofmorethan15percentrespectively.Alwaysgraspthefundamentalimpetusforreform.Wearenow"nosoldiersbehind"manyindicatorsrankedinthebottomofthecountyfromgettingbigger.Onlybygoingallouttohardwork,hardwork,innovation,reformdoesnotadapttoinstitutionalmechanisms,practices,itispossibletochangethefaceofXXpoor,intoawell-offsocietytogetherwithpeopleacrossthecountry.Wewanttobreaktheoldpatternsofthinking,methodsandorganizationofwork,bravelyandboldlyinto,makingfulluseofalltheadvantages,comprehensivereforms,tomakeallitsvitalityfordevelopmentimpulse,letfullplaytoallsourcesofwealthcreation.Shouldalwaysstability119 (5)、现状国道324线为公路,两侧无非机动车道及人行道,现状管线均布置在道路范围外;沿线主要布置有10KV电力架空线(双侧)、给谁管道(单侧)、军用电缆(双侧)、通信电缆、路灯电缆(双侧)等管线,排水主要依靠道路两侧道路边沟(双侧)。施工前应提前找出来,以防施工破坏,造成不必要的损失。第五节桥涵工程桥涵工程施工工程量大、技术要求高、施工难度大,是本标段的重点和难点,施工组织时须突出难点、抓住重点,增加资源投入,合理安排工序,科学组织、精心施工。一、人行天桥1、本工程设计有一座人行天桥,中心桩号分别为K1+566.5人行天桥地质持力层,4根直径120cm主梁桩基桩底为碎块状强风化花岗岩层,桩底均设有300×180×120cm的系梁,12个尺寸310×260×80cm化210×160×80cm人行梯道及斜坡墩柱基础,墩柱基础底为粉质粘土层,6个梯、坡、脚底系梁,梯、坡、脚底系梁底为杂填土层;主梁为长55.8米,宽3.628米钢结构梁,两侧梯道分A、C梯道及B、D斜坡,梁宽均为2.8米,A、C梯道均设1个休息平台,垂直投影长度为18.72米,B、D坡道分肢梯道上接斜坡转折平台,垂直投影长度为7.72米,B、D坡道均设4个休息平台,斜坡坡度1:8,垂直投影长度为50.7米。3、K1+566.5人行天桥梁高1.0m,箱梁采用钢结构。梯道与坡道处设牛腿,牛腿长0.5m。主桥下构设有PZ01~PZ04四排主墩,每排主墩有两根钢包砼墩柱,墩柱均采用直径为0.5m圆形桥墩。承台高度1.2m,采用钻孔灌注桩基础,桩径1.2m。主桥两场设置有1:2.62梯道及1:8坡道,坡道转向处设置坡道分肢梯道。4、人行梯道及坡道均采用钢筋混凝土实心梁板,梁宽2.8m,净宽2.5m,梯道梁高0.5attentiontoimprovingthequalityandefficiencyofdevelopmentandpaymoreattentiontosecurityandreformthepeople"slivelihood,morefocusonmaintainingsocialharmonyandstability,andpromotethedevelopmentoftownshipeconomyinabetterandfaster,createanewnormalXXdevelopmentandlayamoresolidfoundationforXXbuildawell-offsociety.Completedtasksthisyear,wemustalwayspayspecialattentiontotheprimarytaskofdevelopment.XXweakeconomicbase,lowlevelsofdevelopment,economicconstructionistheCenter,wehavetocreateconditionsforfastereconomicdevelopment,accumulatingmorewealth,betterpeople"slives.Effortshouldbemadetothisyear"seconomicgrowth,revenuegrowth,peoplehavemaintainedahighrateofincomegrowth,GDPgrowthofmorethan15percentrespectively.Alwaysgraspthefundamentalimpetusforreform.Wearenow"nosoldiersbehind"manyindicatorsrankedinthebottomofthecountyfromgettingbigger.Onlybygoingallouttohardwork,hardwork,innovation,reformdoesnotadapttoinstitutionalmechanisms,practices,itispossibletochangethefaceofXXpoor,intoawell-offsocietytogetherwithpeopleacrossthecountry.Wewanttobreaktheoldpatternsofthinking,methodsandorganizationofwork,bravelyandboldlyinto,makingfulluseofalltheadvantages,comprehensivereforms,tomakeallitsvitalityfordevelopmentimpulse,letfullplaytoallsourcesofwealthcreation.Shouldalwaysstability119 5m,跨步宽34cm,跨步高13.7cm,平台深度2m;坡道梁高0.55m,每隔8m设置一休息平台,平台深度2.0m,转向平台宽2.8m;梯道及坡道下构均设有0.6m圆形墩柱及扩大基础。(一)、主要材料1、混凝土混凝土强度等级:分别有C40、C35、C30、C20、C15,本工程混凝土全部采用商品混凝土。2、钢材:采用HRB355级、R235级钢筋、Q345钢板、Q235型钢。(二)、钻孔灌注桩基础1、施工方法以冲击钻机成孔,严格控制护筒埋设、泥浆比重、失水率和孔内水头,清孔、安装钢筋笼、二次清孔后迅速灌注水下砼,应严格控制桩底嵌岩深度,用导管法灌注水下砼。2、施工工艺(1)钻孔准备①、场地必须平整、密实,对地面高程较低处进行填土,并分层夯实,填土至适宜高程。②、测量放样,复测桩位并将桩位按十字线交叉法用钢筋定位落在护筒上,以备钻孔时和下钢筋笼时检测桩位,采用全站仪精确测出桩的中心位置,确定护筒位置。护筒用8mm钢板制成,其内径应大于钻头直径200mm;规格为φ1400mm(1.2m桩基)、φ1000mm(0.8m桩基),高1.5m的圆形钢护筒,上方割30×40cm的开口用以泥浆循环。③、护筒中心检测竖直线要与桩中心线重合,平面位置控制在5cm以内,竖直倾斜度不大于1%。④attentiontoimprovingthequalityandefficiencyofdevelopmentandpaymoreattentiontosecurityandreformthepeople"slivelihood,morefocusonmaintainingsocialharmonyandstability,andpromotethedevelopmentoftownshipeconomyinabetterandfaster,createanewnormalXXdevelopmentandlayamoresolidfoundationforXXbuildawell-offsociety.Completedtasksthisyear,wemustalwayspayspecialattentiontotheprimarytaskofdevelopment.XXweakeconomicbase,lowlevelsofdevelopment,economicconstructionistheCenter,wehavetocreateconditionsforfastereconomicdevelopment,accumulatingmorewealth,betterpeople"slives.Effortshouldbemadetothisyear"seconomicgrowth,revenuegrowth,peoplehavemaintainedahighrateofincomegrowth,GDPgrowthofmorethan15percentrespectively.Alwaysgraspthefundamentalimpetusforreform.Wearenow"nosoldiersbehind"manyindicatorsrankedinthebottomofthecountyfromgettingbigger.Onlybygoingallouttohardwork,hardwork,innovation,reformdoesnotadapttoinstitutionalmechanisms,practices,itispossibletochangethefaceofXXpoor,intoawell-offsocietytogetherwithpeopleacrossthecountry.Wewanttobreaktheoldpatternsofthinking,methodsandorganizationofwork,bravelyandboldlyinto,makingfulluseofalltheadvantages,comprehensivereforms,tomakeallitsvitalityfordevelopmentimpulse,letfullplaytoallsourcesofwealthcreation.Shouldalwaysstability119 、护筒埋置:护筒顶面高处地面0.3m,护筒底部及四周所填粘质土须分层夯实。⑤、制备泥浆:泥浆采用膨润土或粘性良好且含砂少的红土制取。制备方法如下:先挖泥浆池,取膨润土或红土配水放入预钻孔中,用钻机不进尺转动拌和泥浆。根据本合同段的地质情况,施工时泥浆的性能指标控制:a、相对密度:1.05-1.20。b、含砂率:≤4%。C、粘度:16~22s。(2)正循环法冲击钻孔冲击钻孔桩的施工流程如下图所示冲击钻孔施工流程图attentiontoimprovingthequalityandefficiencyofdevelopmentandpaymoreattentiontosecurityandreformthepeople"slivelihood,morefocusonmaintainingsocialharmonyandstability,andpromotethedevelopmentoftownshipeconomyinabetterandfaster,createanewnormalXXdevelopmentandlayamoresolidfoundationforXXbuildawell-offsociety.Completedtasksthisyear,wemustalwayspayspecialattentiontotheprimarytaskofdevelopment.XXweakeconomicbase,lowlevelsofdevelopment,economicconstructionistheCenter,wehavetocreateconditionsforfastereconomicdevelopment,accumulatingmorewealth,betterpeople"slives.Effortshouldbemadetothisyear"seconomicgrowth,revenuegrowth,peoplehavemaintainedahighrateofincomegrowth,GDPgrowthofmorethan15percentrespectively.Alwaysgraspthefundamentalimpetusforreform.Wearenow"nosoldiersbehind"manyindicatorsrankedinthebottomofthecountyfromgettingbigger.Onlybygoingallouttohardwork,hardwork,innovation,reformdoesnotadapttoinstitutionalmechanisms,practices,itispossibletochangethefaceofXXpoor,intoawell-offsocietytogetherwithpeopleacrossthecountry.Wewanttobreaktheoldpatternsofthinking,methodsandorganizationofwork,bravelyandboldlyinto,makingfulluseofalltheadvantages,comprehensivereforms,tomakeallitsvitalityfordevelopmentimpulse,letfullplaytoallsourcesofwealthcreation.Shouldalwaysstability119 下钢筋笼导管安装密封承压试验导管制作清  孔清孔检查钢筋试验钢筋笼制作钢筋笼检查钻  孔成孔检查泥浆制作钻机就位测量放样埋设护筒孔位放线护筒制作测量检查二次清孔钻机移位灌 注 砼砼拌合 砼配合比选定attentiontoimprovingthequalityandefficiencyofdevelopmentandpaymoreattentiontosecurityandreformthepeople"slivelihood,morefocusonmaintainingsocialharmonyandstability,andpromotethedevelopmentoftownshipeconomyinabetterandfaster,createanewnormalXXdevelopmentandlayamoresolidfoundationforXXbuildawell-offsociety.Completedtasksthisyear,wemustalwayspayspecialattentiontotheprimarytaskofdevelopment.XXweakeconomicbase,lowlevelsofdevelopment,economicconstructionistheCenter,wehavetocreateconditionsforfastereconomicdevelopment,accumulatingmorewealth,betterpeople"slives.Effortshouldbemadetothisyear"seconomicgrowth,revenuegrowth,peoplehavemaintainedahighrateofincomegrowth,GDPgrowthofmorethan15percentrespectively.Alwaysgraspthefundamentalimpetusforreform.Wearenow"nosoldiersbehind"manyindicatorsrankedinthebottomofthecountyfromgettingbigger.Onlybygoingallouttohardwork,hardwork,innovation,reformdoesnotadapttoinstitutionalmechanisms,practices,itispossibletochangethefaceofXXpoor,intoawell-offsocietytogetherwithpeopleacrossthecountry.Wewanttobreaktheoldpatternsofthinking,methodsandorganizationofwork,bravelyandboldlyinto,makingfulluseofalltheadvantages,comprehensivereforms,tomakeallitsvitalityfordevelopmentimpulse,letfullplaytoallsourcesofwealthcreation.Shouldalwaysstability119 混凝土检查开始钻进时,应采用小冲程开孔,待钻进深度超过钻头全高加正常冲程后方可进行正常冲击钻孔。松散地层应采用中小冲程,坚硬层、卵石和岩层应采用中、大冲程。钻进过程中,必须勤松绳、少量松绳,不得打空锤;勤抽渣,使钻头经常冲击新鲜地层。每次松绳量,应根据地质情况、钻头形式、钻头质量决定。钻进工地应有备用钻头,检查钻头发现钻头直径磨耗超过1.5cm时,应及时更换、修补,经常检孔,更换新钻头前必须检查到孔底,确认钻孔正常时方可放入新的钻头。在钻孔过程中,必须绘制桩孔地质剖面图,挂在钻台上,以供对不同土层选择适当的钻速和泥浆比重等作参考。在易坍地层中钻进时,应适当加大泥浆比重,控制钻进速度。钻进中应经常注意土层变化,在土层变化处均应捞取渣样,以判断土层,并做好记录,与设计地层作核对。attentiontoimprovingthequalityandefficiencyofdevelopmentandpaymoreattentiontosecurityandreformthepeople"slivelihood,morefocusonmaintainingsocialharmonyandstability,andpromotethedevelopmentoftownshipeconomyinabetterandfaster,createanewnormalXXdevelopmentandlayamoresolidfoundationforXXbuildawell-offsociety.Completedtasksthisyear,wemustalwayspayspecialattentiontotheprimarytaskofdevelopment.XXweakeconomicbase,lowlevelsofdevelopment,economicconstructionistheCenter,wehavetocreateconditionsforfastereconomicdevelopment,accumulatingmorewealth,betterpeople"slives.Effortshouldbemadetothisyear"seconomicgrowth,revenuegrowth,peoplehavemaintainedahighrateofincomegrowth,GDPgrowthofmorethan15percentrespectively.Alwaysgraspthefundamentalimpetusforreform.Wearenow"nosoldiersbehind"manyindicatorsrankedinthebottomofthecountyfromgettingbigger.Onlybygoingallouttohardwork,hardwork,innovation,reformdoesnotadapttoinstitutionalmechanisms,practices,itispossibletochangethefaceofXXpoor,intoawell-offsocietytogetherwithpeopleacrossthecountry.Wewanttobreaktheoldpatternsofthinking,methodsandorganizationofwork,bravelyandboldlyinto,makingfulluseofalltheadvantages,comprehensivereforms,tomakeallitsvitalityfordevelopmentimpulse,letfullplaytoallsourcesofwealthcreation.Shouldalwaysstability119 钻进过程中应认真填写钻进记录,详细记录地层变化情况,当发现地层异常孔内有变化时,应及时通知现场技术人员。钻机操作手或班长必须在记录上签字。当成孔深度达到设计深度后,利用探孔器(探孔器直径比钢筋笼直径大10cm,长度5米)先进行孔径检查合格后,由项目部技术员进行成孔质量检验符合设计、规范要求后,报请监理复检认可后即可进行钢筋笼入孔。终孔后采用测绳校核孔深,以保证桩底标高符合要求。钻孔桩在钻进过程中,要及时将弃渣、泥浆外运至指定地点,防止对城市造成固体污染。钻孔桩成孔直径必须达到设计桩径,成孔用钻头设保径装置,保证每个截面没有缩径现象。钻孔桩成孔桩位偏差不应大于5cm,桩身垂直度允许偏差应小于1%。当钻孔进入设计岩面时,应捞渣取样并经监理工程师现场确认,以作为岩面深度的依据。终孔前钻进速度放慢以便及时排出钻渣,当钻孔距设计标高1m时,注意控制钻进速度和深度,防止超钻,并核实地质资料,判定是否进入要求的持力层。当钻孔深度达到设计要求时,应请监理工程师确认,并对孔深、孔径和孔形等进行检查,确认满足设计要求后进行清孔、灌注砼。钻孔时经常清碴,并及时补给泥浆,钻孔作业应连续进行,不得中断。采用多台钻机施工时,在砼刚刚浇注完毕的邻桩成孔施工安全距离不宜小于4d,为防止冲击振动使邻孔孔壁坍塌或影响邻孔已浇筑混凝土的凝固,应待邻孔混凝土浇筑完毕,并达到2.5MPa抗压强度后方可开钻。拼装好的钻机拖拉就位后,将钻头对准钻孔桩位,并与钻架上的起吊滑轮在同一铅垂线上中心成一直线,其偏差小于2cm。钻机定位后,底座做到平整、稳固,确保在钻进中不发生倾斜和位移。attentiontoimprovingthequalityandefficiencyofdevelopmentandpaymoreattentiontosecurityandreformthepeople"slivelihood,morefocusonmaintainingsocialharmonyandstability,andpromotethedevelopmentoftownshipeconomyinabetterandfaster,createanewnormalXXdevelopmentandlayamoresolidfoundationforXXbuildawell-offsociety.Completedtasksthisyear,wemustalwayspayspecialattentiontotheprimarytaskofdevelopment.XXweakeconomicbase,lowlevelsofdevelopment,economicconstructionistheCenter,wehavetocreateconditionsforfastereconomicdevelopment,accumulatingmorewealth,betterpeople"slives.Effortshouldbemadetothisyear"seconomicgrowth,revenuegrowth,peoplehavemaintainedahighrateofincomegrowth,GDPgrowthofmorethan15percentrespectively.Alwaysgraspthefundamentalimpetusforreform.Wearenow"nosoldiersbehind"manyindicatorsrankedinthebottomofthecountyfromgettingbigger.Onlybygoingallouttohardwork,hardwork,innovation,reformdoesnotadapttoinstitutionalmechanisms,practices,itispossibletochangethefaceofXXpoor,intoawell-offsocietytogetherwithpeopleacrossthecountry.Wewanttobreaktheoldpatternsofthinking,methodsandorganizationofwork,bravelyandboldlyinto,makingfulluseofalltheadvantages,comprehensivereforms,tomakeallitsvitalityfordevelopmentimpulse,letfullplaytoallsourcesofwealthcreation.Shouldalwaysstability119 (3)成孔检查①、孔径检查:用探孔器检查,探孔器外径小于设计孔径2cm,长度为5m。桩基孔径必须大于设计要求。用探孔器检测有无缩径、偏孔等情况,如果有,采用钻头上下慢速提升冲直或慢速钻进纠正偏位。②、孔深和孔底沉渣检查:标准测锤及测绳检测,必要时利用测尺。(4)第一次清孔清孔的目的是使孔底沉碴(虚土)、泥浆浓度、泥浆中含钻碴量和孔壁厚度符合质量要求和设计要求,为灌注混凝上创造良好的条件。钻孔至设计高程,经过检查孔深、孔径、孔的偏斜符合要求后,将钻渣抽净。清孔采用泥浆循环或注入清水置换的方式清孔。清孔应符合下列规定:清孔后泥浆比重控制在1.15~1.20,含砂率≤10%,粘度≤28%,灌注砼前,孔底沉碴厚度≤100mm。(5)制安钢筋笼和检测管①、钢筋加工场地选在YK0+050右侧5米位置,该处地势平坦、距离桥位较近搭设钢筋、钢板加工场,场地必须进行平整、压实,并铺筑5%水泥碎石稳定层硬化场地。②、制作钢筋笼的主筋、箍筋,直径、数量、间距应符合设计图纸和技术规范的要求。钢材的质量应有质保书及试验检测报告,每批购进的钢筋经现场监理工程师取样签认分送项目部对外委托试验室和总监办对外委托试验室检测。箍筋加密段和标准钢筋段,施工时要认真按设计图进行下料和绑扎及保护层定位筋焊接。attentiontoimprovingthequalityandefficiencyofdevelopmentandpaymoreattentiontosecurityandreformthepeople"slivelihood,morefocusonmaintainingsocialharmonyandstability,andpromotethedevelopmentoftownshipeconomyinabetterandfaster,createanewnormalXXdevelopmentandlayamoresolidfoundationforXXbuildawell-offsociety.Completedtasksthisyear,wemustalwayspayspecialattentiontotheprimarytaskofdevelopment.XXweakeconomicbase,lowlevelsofdevelopment,economicconstructionistheCenter,wehavetocreateconditionsforfastereconomicdevelopment,accumulatingmorewealth,betterpeople"slives.Effortshouldbemadetothisyear"seconomicgrowth,revenuegrowth,peoplehavemaintainedahighrateofincomegrowth,GDPgrowthofmorethan15percentrespectively.Alwaysgraspthefundamentalimpetusforreform.Wearenow"nosoldiersbehind"manyindicatorsrankedinthebottomofthecountyfromgettingbigger.Onlybygoingallouttohardwork,hardwork,innovation,reformdoesnotadapttoinstitutionalmechanisms,practices,itispossibletochangethefaceofXXpoor,intoawell-offsocietytogetherwithpeopleacrossthecountry.Wewanttobreaktheoldpatternsofthinking,methodsandorganizationofwork,bravelyandboldlyinto,makingfulluseofalltheadvantages,comprehensivereforms,tomakeallitsvitalityfordevelopmentimpulse,letfullplaytoallsourcesofwealthcreation.Shouldalwaysstability119 ③、每节钢筋笼的长度应视成笼的整体刚度及起吊设备的有效高度来确定。钢筋笼分段制作,每根桩基钢筋笼分为2~3节段吊装,场地受限制时,以8~12米段吊装。④、安装钢筋笼时,按要求每根安装3根超声波检测管,三根管之间互成120°角。⑤、将制作好的钢筋笼平卧在平整的地方,堆放的位置应无积水、泥浆,钢筋笼下面每2~3米用方木支垫,防止钢筋笼扭曲变形,并挂好编号标志,请监理工程师验收。(6)安装钢筋笼①、钢筋笼按设计要求预先制作钢筋骨架,用吊车吊入钻孔中,吊放过程中避免骨架撞孔壁。②、骨架分2~3节并在井口按单面焊10d的规范要求搭接,搭接过程严格按要求报检监理及相关管理人员,保证焊接质量。为保证骨架外混凝土的保护层厚度,在钢筋笼外面按设计要求设置定位筋,定位筋每隔2米设一组,每组4个均匀设置钢筋笼四周,避免保护层定位筋刮擦孔壁,下笼时应慢速稳放并随时校正骨架位置,待骨架达到设计标高后,将骨架牢固定位于孔口,防止灌注水下混凝土时,钢筋骨架上浮或移位。③、钢筋笼吊运时,吊点应设方木托起钢筋笼,增大吊点受力面,吊点应拴牢并布置合理,使钢筋笼起吊后处于自然垂直状态,并无明显变形,钢筋笼入孔时应对准孔位,吊直扶稳,缓慢下沉,避免碰坏孔壁。下节钢筋笼入孔后,用钢管挑在护筒上或护筒周边的垫木上,然后起吊上节,起吊时吊车稳住钢筋笼,进行上下笼的错位焊接,错位长度不小于50cm,焊接时采用单面焊,搭接长度不小于10attentiontoimprovingthequalityandefficiencyofdevelopmentandpaymoreattentiontosecurityandreformthepeople"slivelihood,morefocusonmaintainingsocialharmonyandstability,andpromotethedevelopmentoftownshipeconomyinabetterandfaster,createanewnormalXXdevelopmentandlayamoresolidfoundationforXXbuildawell-offsociety.Completedtasksthisyear,wemustalwayspayspecialattentiontotheprimarytaskofdevelopment.XXweakeconomicbase,lowlevelsofdevelopment,economicconstructionistheCenter,wehavetocreateconditionsforfastereconomicdevelopment,accumulatingmorewealth,betterpeople"slives.Effortshouldbemadetothisyear"seconomicgrowth,revenuegrowth,peoplehavemaintainedahighrateofincomegrowth,GDPgrowthofmorethan15percentrespectively.Alwaysgraspthefundamentalimpetusforreform.Wearenow"nosoldiersbehind"manyindicatorsrankedinthebottomofthecountyfromgettingbigger.Onlybygoingallouttohardwork,hardwork,innovation,reformdoesnotadapttoinstitutionalmechanisms,practices,itispossibletochangethefaceofXXpoor,intoawell-offsocietytogetherwithpeopleacrossthecountry.Wewanttobreaktheoldpatternsofthinking,methodsandorganizationofwork,bravelyandboldlyinto,makingfulluseofalltheadvantages,comprehensivereforms,tomakeallitsvitalityfordevelopmentimpulse,letfullplaytoallsourcesofwealthcreation.Shouldalwaysstability119 d,焊接须饱满、平整,防止点焊、虚焊。上下节钢筋笼对接时,桩基检测管必须对准连接,连接处为防止混凝土流入,可采用胶带包扎封闭。④、钢筋笼安装完毕自检合格后,上报监理工程师进行隐蔽工程检查验收,并及时浇注水下砼,其间隔时间不宜超过4小时,以防沉淀、塌孔或箍管等事故发生。⑤、在安放钢筋笼后,浇注砼前,应再次检查孔底沉淀厚度,是否符合设计要求,若不符合时须应进行第二次清孔。(7)导管安装钻孔灌注桩导管采用Ф250mm的钢管。导管安放前,将导管编号、连接,在地面上做密封试验,确认各接头密封严实,方可用于混凝土浇筑。浇筑混凝土前,用桩机分节放入孔内,导管下端距孔底10-50cm准备清孔。(8)第二次清孔在第一次清孔达到要求后,由于要安放钢筋笼及导管,至浇注砼的时间间隙较长,孔底又会产生沉碴,所以待安放钢筋笼及导管就绪后,再利用导管进行第二次清孔。清孔的方法是在导管顶部安装一个弯头和皮笼,用泵将泥浆压入导管内,再从孔底沿着导管外置换沉碴。二次清孔时,在距孔底0.2m~1.0m处的泥浆比重复测在1.03~1.10,复测沉碴厚度在100mm以内,此时清孔完成,立即灌注砼。(9)灌注水下混凝土①、清孔后,浇筑混凝土前泥浆各项指标控制如下:相对密度1.03-1.1,含砂率<2%,粘度17~20S,胶体率>98%,沉淀层厚度:小于等于10cm,做好泥浆检测记录。②、设储料仓:首批灌注混凝土的数量满足导管初次埋置深度≥attentiontoimprovingthequalityandefficiencyofdevelopmentandpaymoreattentiontosecurityandreformthepeople"slivelihood,morefocusonmaintainingsocialharmonyandstability,andpromotethedevelopmentoftownshipeconomyinabetterandfaster,createanewnormalXXdevelopmentandlayamoresolidfoundationforXXbuildawell-offsociety.Completedtasksthisyear,wemustalwayspayspecialattentiontotheprimarytaskofdevelopment.XXweakeconomicbase,lowlevelsofdevelopment,economicconstructionistheCenter,wehavetocreateconditionsforfastereconomicdevelopment,accumulatingmorewealth,betterpeople"slives.Effortshouldbemadetothisyear"seconomicgrowth,revenuegrowth,peoplehavemaintainedahighrateofincomegrowth,GDPgrowthofmorethan15percentrespectively.Alwaysgraspthefundamentalimpetusforreform.Wearenow"nosoldiersbehind"manyindicatorsrankedinthebottomofthecountyfromgettingbigger.Onlybygoingallouttohardwork,hardwork,innovation,reformdoesnotadapttoinstitutionalmechanisms,practices,itispossibletochangethefaceofXXpoor,intoawell-offsocietytogetherwithpeopleacrossthecountry.Wewanttobreaktheoldpatternsofthinking,methodsandorganizationofwork,bravelyandboldlyinto,makingfulluseofalltheadvantages,comprehensivereforms,tomakeallitsvitalityfordevelopmentimpulse,letfullplaytoallsourcesofwealthcreation.Shouldalwaysstability119 1.0米,和填充导管底部间隙的需要,根据桩径和导管底端至钻孔底间隙,计算首批混凝土使用方量:V≥(πD2/4)(H1+H2)(πd2/4)h1式中:V-灌注首批混凝土所需数量(m3);D-桩孔直径(m);H1-桩孔底至导管底端间距,一般为0.4米;H2-导管初次埋置深度(m);d-导管内径(m);h1-桩孔内混凝土达到埋置深度H2时导管内混凝土柱导管外(或泥浆)压力所需高度。③、混凝土运至灌注地点时,检查砼料和易性和坍落度。灌注开始后,连续地进行,尽可能缩短拆除导管的间隔时间,当导管内混凝土不满时徐徐地灌注,防止导管内造成高压空气囊。④、提栓:将砼灌入孔底后,用测绳探测孔内砼面高度,提栓后必须连续不断并灌注水下砼。保证首批砼灌入后正常翻浆。首批砼灌入后保证其埋置深大于1m,以后灌注时,导管埋深控制在2~6m之间。⑤、导管提升保持轴线竖直和位置居中,逐步提升。项目部相关技术人员与班组技术人员共同计算埋管深度及拔管长度。为防止浮笼应在计算无误的情况下勤拔⑥、当井孔混凝土面接近和进入钢筋架时,注意下列事项:混凝土面接近钢筋骨架时,使导管保持稍大的埋深,并放慢灌注速度以减少混凝土对钢筋笼的冲击力,防止钢筋笼上浮。混凝土面进入钢筋骨架4mattentiontoimprovingthequalityandefficiencyofdevelopmentandpaymoreattentiontosecurityandreformthepeople"slivelihood,morefocusonmaintainingsocialharmonyandstability,andpromotethedevelopmentoftownshipeconomyinabetterandfaster,createanewnormalXXdevelopmentandlayamoresolidfoundationforXXbuildawell-offsociety.Completedtasksthisyear,wemustalwayspayspecialattentiontotheprimarytaskofdevelopment.XXweakeconomicbase,lowlevelsofdevelopment,economicconstructionistheCenter,wehavetocreateconditionsforfastereconomicdevelopment,accumulatingmorewealth,betterpeople"slives.Effortshouldbemadetothisyear"seconomicgrowth,revenuegrowth,peoplehavemaintainedahighrateofincomegrowth,GDPgrowthofmorethan15percentrespectively.Alwaysgraspthefundamentalimpetusforreform.Wearenow"nosoldiersbehind"manyindicatorsrankedinthebottomofthecountyfromgettingbigger.Onlybygoingallouttohardwork,hardwork,innovation,reformdoesnotadapttoinstitutionalmechanisms,practices,itispossibletochangethefaceofXXpoor,intoawell-offsocietytogetherwithpeopleacrossthecountry.Wewanttobreaktheoldpatternsofthinking,methodsandorganizationofwork,bravelyandboldlyinto,makingfulluseofalltheadvantages,comprehensivereforms,tomakeallitsvitalityfordevelopmentimpulse,letfullplaytoallsourcesofwealthcreation.Shouldalwaysstability119 以上,适当提开导管,保证提升导管后,钢筋骨架底部距导管下口有2m以上埋深。⑦、在接近桩顶时,采用取样盒直接取样,鉴定良好混凝土面位置,灌注结束后,良好混凝土面宜高于设计桩顶0.8~1m。(10)水下砼的配置和技术要求:采用火山灰水泥、粉煤灰水泥、普通硅酸盐水泥或硅酸盐水泥,水泥的初凝时间不宜早于2.5h,水泥强度不宜低于42.5。粗集料宜优先选用卵石,如采用碎石宜适当增加混凝土配合比的含砂率。集料的最大粒径不应大于导管内径的1/6~1/8和钢筋最小净距的1/4,同时不应大于40mm。细集料宜采用级配良好的中砂。①混凝土拌和物应有良好的和易性,在运输和灌注过程中应无明显离析、泌水现象。灌注时应保持足够的流动性,其坍落度宜为180~220mm,混凝土拌和物中宜掺用外加剂、粉煤灰等材料。②水下混凝土用钢导管灌注,导管内径为250mm。③导管使用前进行试拼、试压,检查接口连接是否严密牢固,若接口胶垫有破损,更换后使用。同时检查拼装后的垂直情况,根据桩孔的总长,确定导管的拼装长度。使用前,进行水密及承压试验,试验时的水压,大于井孔内水深至少1.3倍的压力。吊装时,导管位于井孔中央,并在灌注前进行升降试验。④在导管上端连接砼漏斗,其容量必须满足储存首批砼数量的要求。混凝土拌和物运至灌注地点时,应检查其均匀性和坍落度等,如不符合要求,应进行第二次拌和,二次拌和后仍不符合要求时,不得使用。灌注砼时确保有足够的砼储备量,开始灌注时,在漏斗下口设置阀门,当漏斗箱内储足首批灌注的砼数量时,卷扬机卷起连接阀门的钢丝绳,使阀门离开漏斗下口,attentiontoimprovingthequalityandefficiencyofdevelopmentandpaymoreattentiontosecurityandreformthepeople"slivelihood,morefocusonmaintainingsocialharmonyandstability,andpromotethedevelopmentoftownshipeconomyinabetterandfaster,createanewnormalXXdevelopmentandlayamoresolidfoundationforXXbuildawell-offsociety.Completedtasksthisyear,wemustalwayspayspecialattentiontotheprimarytaskofdevelopment.XXweakeconomicbase,lowlevelsofdevelopment,economicconstructionistheCenter,wehavetocreateconditionsforfastereconomicdevelopment,accumulatingmorewealth,betterpeople"slives.Effortshouldbemadetothisyear"seconomicgrowth,revenuegrowth,peoplehavemaintainedahighrateofincomegrowth,GDPgrowthofmorethan15percentrespectively.Alwaysgraspthefundamentalimpetusforreform.Wearenow"nosoldiersbehind"manyindicatorsrankedinthebottomofthecountyfromgettingbigger.Onlybygoingallouttohardwork,hardwork,innovation,reformdoesnotadapttoinstitutionalmechanisms,practices,itispossibletochangethefaceofXXpoor,intoawell-offsocietytogetherwithpeopleacrossthecountry.Wewanttobreaktheoldpatternsofthinking,methodsandorganizationofwork,bravelyandboldlyinto,makingfulluseofalltheadvantages,comprehensivereforms,tomakeallitsvitalityfordevelopmentimpulse,letfullplaytoallsourcesofwealthcreation.Shouldalwaysstability119 砼猝然落下,迅速落至孔底并不断连续浇筑将孔内的水排出并把导管裹住。以保证桩基砼浇筑的连续性及桩基的施工质量。⑤灌注砼期间,配备水泵、吸泥机及高压射水管等设备,以保持井内水头和及时处理灌注故障。灌注首批砼时导管下口至孔底的距离为25~40cm,导管埋入砼中深度不小于1m,储料槽和漏斗中砼冲出活门全部下落后,将导管下降10~20cm,以增加导管埋深。⑥砼的灌注连续进行,有短时间的停歇时,经常抽动导管,使混凝土保持足够的流动性,严禁将导管口拔离砼面。灌注过程中边灌注边提升导管和边拆除上一节导管,使砼经常处于流动状态,尽可能缩短拆除导管的间隔时间。当导管底埋置于混凝土的深度达3m左右,或导管中混凝土落不下去时,开始将导管提升,提升速度不能太快,导管的最小埋深不小于2m,最大不大于6m,导管埋置深度宜控制在2~6m,根据砼的浇筑情况和埋管深度逐节拆除导管。提升导管要保持导管垂直及居中,不能倾斜以免牵动钢筋骨架。⑦为防止钢筋笼上浮,当灌注的混凝土顶面距钢筋骨架底部1m左右时,应降低混凝土的灌注速度。当混凝土拌和物上升到骨架底口4m以上时,提升导管,使其底口高于骨架底部2m以上,即可恢复正常灌注速度。⑧井孔内砼面位置的探测,采用比重锤探测。砼灌注到桩顶上部5m以内时,不再提升导注的桩顶标高预加1m,以保证砼强度,多余部分接桩前必须凿除,残余桩头应无松散层。⑨在灌注过程中,应将孔内溢出的水或泥浆用专用车辆运送至适当地点处理,集中处理。不得随意排放,污染环境。(11)桩基检测attentiontoimprovingthequalityandefficiencyofdevelopmentandpaymoreattentiontosecurityandreformthepeople"slivelihood,morefocusonmaintainingsocialharmonyandstability,andpromotethedevelopmentoftownshipeconomyinabetterandfaster,createanewnormalXXdevelopmentandlayamoresolidfoundationforXXbuildawell-offsociety.Completedtasksthisyear,wemustalwayspayspecialattentiontotheprimarytaskofdevelopment.XXweakeconomicbase,lowlevelsofdevelopment,economicconstructionistheCenter,wehavetocreateconditionsforfastereconomicdevelopment,accumulatingmorewealth,betterpeople"slives.Effortshouldbemadetothisyear"seconomicgrowth,revenuegrowth,peoplehavemaintainedahighrateofincomegrowth,GDPgrowthofmorethan15percentrespectively.Alwaysgraspthefundamentalimpetusforreform.Wearenow"nosoldiersbehind"manyindicatorsrankedinthebottomofthecountyfromgettingbigger.Onlybygoingallouttohardwork,hardwork,innovation,reformdoesnotadapttoinstitutionalmechanisms,practices,itispossibletochangethefaceofXXpoor,intoawell-offsocietytogetherwithpeopleacrossthecountry.Wewanttobreaktheoldpatternsofthinking,methodsandorganizationofwork,bravelyandboldlyinto,makingfulluseofalltheadvantages,comprehensivereforms,tomakeallitsvitalityfordevelopmentimpulse,letfullplaytoallsourcesofwealthcreation.Shouldalwaysstability119 桩砼强度至少达到设计强度的70%,且不小于15Mpa(一般不少于14天)方可进行检测。检测前桩基应凿除浮浆,平整桩头。传感器位置用磨光机磨平,打磨面积直径不小于10cm。本项目所有桩基检测按100%的桩实行桩内超声波检测。检测管按要求接长后,焊接在钢筋笼上放下时,一并下到桩内,检测管接头及底部密封好,不能渗漏。顶部用木塞封闭,防止砂浆杂物堵塞管道,部分桩基检测有疑问可以采用低应变法补测。桩基检测委托业主、监理认可的有资质的检测单位。对低应变法检测的结果发生怀疑时,用抽芯法进行钻芯验证。(12)产品保护砼灌注标高低于地面标高的桩孔,灌注砼完毕,孔口周围要立即设置护栏,以确保安全。严禁汽车、吊机桩机等大型机械碾压桩位。严禁把桩体作锚固桩使用。(三)、系梁及扩大基础。本工程人性天桥系梁及扩大基础底均为填筑土,系梁尺寸为300×180×120cm,属于小系梁,扩大基础尺寸为310×260×80cm,属小扩大基础,根据系梁底标高推算,基坑开挖不会出现地下水,可采用直接放坡免支护开挖。1、测量放样待桩基检测后,确定合格后,根据设计图纸资料,由测量人员使用全站仪精确放出系梁及扩大基础尺寸、开挖施工工作面及基坑坡顶、坡底线,报监理工程师认可。attentiontoimprovingthequalityandefficiencyofdevelopmentandpaymoreattentiontosecurityandreformthepeople"slivelihood,morefocusonmaintainingsocialharmonyandstability,andpromotethedevelopmentoftownshipeconomyinabetterandfaster,createanewnormalXXdevelopmentandlayamoresolidfoundationforXXbuildawell-offsociety.Completedtasksthisyear,wemustalwayspayspecialattentiontotheprimarytaskofdevelopment.XXweakeconomicbase,lowlevelsofdevelopment,economicconstructionistheCenter,wehavetocreateconditionsforfastereconomicdevelopment,accumulatingmorewealth,betterpeople"slives.Effortshouldbemadetothisyear"seconomicgrowth,revenuegrowth,peoplehavemaintainedahighrateofincomegrowth,GDPgrowthofmorethan15percentrespectively.Alwaysgraspthefundamentalimpetusforreform.Wearenow"nosoldiersbehind"manyindicatorsrankedinthebottomofthecountyfromgettingbigger.Onlybygoingallouttohardwork,hardwork,innovation,reformdoesnotadapttoinstitutionalmechanisms,practices,itispossibletochangethefaceofXXpoor,intoawell-offsocietytogetherwithpeopleacrossthecountry.Wewanttobreaktheoldpatternsofthinking,methodsandorganizationofwork,bravelyandboldlyinto,makingfulluseofalltheadvantages,comprehensivereforms,tomakeallitsvitalityfordevelopmentimpulse,letfullplaytoallsourcesofwealthcreation.Shouldalwaysstability119 2、开挖基坑(1)、基坑采用机械开挖,开挖高程到系梁及扩大基础底面15cm,为防止机械开挖造成对灌注桩桩身的破坏,桩位附近基坑采用人工开挖,其平面尺寸比系梁及扩大基础底面积略大,应留有立模操作空间。(2)、坑壁及基底用人工修整,基底夯实,系梁及扩大基础底部浇筑厚度为15cm的素混凝土作为垫层。将桩基砼表面进行凿毛,冲洗干净,以保证承台与桩基紧密结合。3、钢筋加工及安装钢筋布置按图纸要求,系梁及扩大基础在桩头钢筋调好后,准确放出主筋位置,然后布置底层钢筋,调整主筋间距后,底层钢筋网绑扎完后,安设支撑上层钢筋的钢筋骨架,在骨架上绑扎上层钢筋。4、安装模板(1)、严格按设计图纸加工拼成组件,确保各部尺寸及螺栓位置符合设计要求。系梁及扩大基础采用木模,使用前进行一次试拼,严格检查接缝处密封性能。(2)、模板采用现场拼接成形,模板间用5mm橡胶或泡沫胶嵌缝,采用对拉螺栓紧固,施工时预埋塑料管,螺栓插在塑料管中,拆模后拔螺杆再堵眼。外用10×10方木外撑,用小型的三角契块调整至设计位置,防止模板移位。同时用砂浆填塞垫层与模板之间的间隙,防止漏水、漏浆。(3)、模板安装完毕后,为保证位置正确,必须对其平面位置、平整度、垂直度、顶部标高、节点联系及纵横向稳定性进行自检,自检合格后报检,经监理工程师检查验收认可后,进行砼浇筑工序。attentiontoimprovingthequalityandefficiencyofdevelopmentandpaymoreattentiontosecurityandreformthepeople"slivelihood,morefocusonmaintainingsocialharmonyandstability,andpromotethedevelopmentoftownshipeconomyinabetterandfaster,createanewnormalXXdevelopmentandlayamoresolidfoundationforXXbuildawell-offsociety.Completedtasksthisyear,wemustalwayspayspecialattentiontotheprimarytaskofdevelopment.XXweakeconomicbase,lowlevelsofdevelopment,economicconstructionistheCenter,wehavetocreateconditionsforfastereconomicdevelopment,accumulatingmorewealth,betterpeople"slives.Effortshouldbemadetothisyear"seconomicgrowth,revenuegrowth,peoplehavemaintainedahighrateofincomegrowth,GDPgrowthofmorethan15percentrespectively.Alwaysgraspthefundamentalimpetusforreform.Wearenow"nosoldiersbehind"manyindicatorsrankedinthebottomofthecountyfromgettingbigger.Onlybygoingallouttohardwork,hardwork,innovation,reformdoesnotadapttoinstitutionalmechanisms,practices,itispossibletochangethefaceofXXpoor,intoawell-offsocietytogetherwithpeopleacrossthecountry.Wewanttobreaktheoldpatternsofthinking,methodsandorganizationofwork,bravelyandboldlyinto,makingfulluseofalltheadvantages,comprehensivereforms,tomakeallitsvitalityfordevelopmentimpulse,letfullplaytoallsourcesofwealthcreation.Shouldalwaysstability119 5、浇筑混凝土(1)、混凝土搅拌车运送至施工现场,使用挖掘机输送至模板内。分批分层浇筑,层厚控制在50cm以内,并用插入式振捣器振捣。(2)、系梁及扩大基础混凝土体积比较大,采用分层台阶法浇筑,每层厚度不超过30cm,上层和下层前后浇筑距离保持2米左右,混凝土用挖掘机输送至系梁及扩大基础模板内。(3)、使用插入式振动器时,移动间距不超过振动器作用半径的1.5倍,与侧模保持50~100mm的距离,要插入下层混凝土50~100mm,每一处振动完毕后应边振动边徐徐提出振动棒,避免碰撞模板、钢筋。(4)、对每一振动部位,必须振动到该部位混凝土密实为止。密实的标志是混凝土停止下沉,不再冒出气泡,表面呈现平坦、泛浆。(5)、在浇筑过程中,派专人随时检查钢筋和模板的稳固性,发现问题及时处理。混凝土浇筑时要留好试块,并做好记录。6、养护混凝土浇筑到初凝后,及时洒水覆盖养护,保持系梁及扩大基础砼表面湿润,养护期不少于7天,达到规定强度后拆除模板。(四)、墩台人行天桥桥墩均采用钢模板法施工,确保桥墩拆模后美观,由于桥墩尺寸有(PZ01~PZ04)钢管混泥土柱圆墩和(其余均为)直径60cm混泥土圆墩两种,钢管混泥土柱圆墩可以利用外钢管做钢模不,直径60cm混泥土圆墩,必须根据设计及规格要求进行加工。桥台均设在人行梯道、斜坡底部,结构简单且需根据实际情况进行施工,不宜采用固定形状的模板,应根据实际情况进行模板加工及拼装。attentiontoimprovingthequalityandefficiencyofdevelopmentandpaymoreattentiontosecurityandreformthepeople"slivelihood,morefocusonmaintainingsocialharmonyandstability,andpromotethedevelopmentoftownshipeconomyinabetterandfaster,createanewnormalXXdevelopmentandlayamoresolidfoundationforXXbuildawell-offsociety.Completedtasksthisyear,wemustalwayspayspecialattentiontotheprimarytaskofdevelopment.XXweakeconomicbase,lowlevelsofdevelopment,economicconstructionistheCenter,wehavetocreateconditionsforfastereconomicdevelopment,accumulatingmorewealth,betterpeople"slives.Effortshouldbemadetothisyear"seconomicgrowth,revenuegrowth,peoplehavemaintainedahighrateofincomegrowth,GDPgrowthofmorethan15percentrespectively.Alwaysgraspthefundamentalimpetusforreform.Wearenow"nosoldiersbehind"manyindicatorsrankedinthebottomofthecountyfromgettingbigger.Onlybygoingallouttohardwork,hardwork,innovation,reformdoesnotadapttoinstitutionalmechanisms,practices,itispossibletochangethefaceofXXpoor,intoawell-offsocietytogetherwithpeopleacrossthecountry.Wewanttobreaktheoldpatternsofthinking,methodsandorganizationofwork,bravelyandboldlyinto,makingfulluseofalltheadvantages,comprehensivereforms,tomakeallitsvitalityfordevelopmentimpulse,letfullplaytoallsourcesofwealthcreation.Shouldalwaysstability119 1、采用一个墩台一次浇筑成型的方案,砼坍落度控制在7~9cm之间,采用运输车配砼浇灌桶运送,保证桥墩的内实外美,颜色一致。2、桥墩的模板采用组合钢模板拼制而成,模板外侧设横肋和纵肋,横肋间距80cm,纵肋间距100cm,以增加模板的刚度,模板间用5mm橡胶嵌缝,φ16mm螺栓紧合。模板就位后通过手拉葫芦调整、校核,验收合格后一次性浇筑砼。3、桥台的模板采用现场拼接成形,模板间用5mm橡胶或泡沫胶嵌缝,采用对拉螺栓紧固,施工时预埋塑料管,螺栓插在塑料管中,拆模后拔螺杆再堵眼。外用10×10方木外撑,用小型的三角契块调整至设计位置,防止模板移位。同时用砂浆填塞垫层与模板之间的间隙,防止漏水、漏浆。4、砼浇筑完毕,等表层砼收水硬化后即可对砼进行洒水养生,并按规范要求进行养护。(五)、钢箱梁及梯、坡道人行天桥主线交叉中心桩号为K1+566.5,人行天桥跨径布置为,13m+27m+13m,,桥面宽3.628m,净宽3.328m,主桥桥下净空为主车道≥5.0m、辅道≥4.5m、人行道≥2.5m。天桥上构采用三跨连续梁结构,两侧各悬臂1.4m,梁高1.0m,箱梁采用焊接钢箱梁。主桥两场设置有1:2.62梯道及1:8坡道,坡道转向处设置坡道分肢梯道。人行梯道及坡道均采用钢筋混凝土结构,梁宽2.8m,净宽2.5m,梯道梁高0.55m,跨步宽34cm,跨步高13.4cm,平台深度2m;坡道梁高0.55m,每隔8m设置一休息平台,平台深度2.0m,转向平台宽2.8m1、地基处理attentiontoimprovingthequalityandefficiencyofdevelopmentandpaymoreattentiontosecurityandreformthepeople"slivelihood,morefocusonmaintainingsocialharmonyandstability,andpromotethedevelopmentoftownshipeconomyinabetterandfaster,createanewnormalXXdevelopmentandlayamoresolidfoundationforXXbuildawell-offsociety.Completedtasksthisyear,wemustalwayspayspecialattentiontotheprimarytaskofdevelopment.XXweakeconomicbase,lowlevelsofdevelopment,economicconstructionistheCenter,wehavetocreateconditionsforfastereconomicdevelopment,accumulatingmorewealth,betterpeople"slives.Effortshouldbemadetothisyear"seconomicgrowth,revenuegrowth,peoplehavemaintainedahighrateofincomegrowth,GDPgrowthofmorethan15percentrespectively.Alwaysgraspthefundamentalimpetusforreform.Wearenow"nosoldiersbehind"manyindicatorsrankedinthebottomofthecountyfromgettingbigger.Onlybygoingallouttohardwork,hardwork,innovation,reformdoesnotadapttoinstitutionalmechanisms,practices,itispossibletochangethefaceofXXpoor,intoawell-offsocietytogetherwithpeopleacrossthecountry.Wewanttobreaktheoldpatternsofthinking,methodsandorganizationofwork,bravelyandboldlyinto,makingfulluseofalltheadvantages,comprehensivereforms,tomakeallitsvitalityfordevelopmentimpulse,letfullplaytoallsourcesofwealthcreation.Shouldalwaysstability119 首先对梯、坡道下方20m宽度(支架布设)范围内的松软地段、泥浆坑进行挖除,采用含石量在60%以上的砂砾石换填,用推土机对场地全部进行推平,再按路基填筑要求填一层20cm厚5%水泥碎石稳定层硬化场地,并设置横向单向横坡,坡度控制在1%范围内,便于及时排除雨水。2、支架钢管布设本项目支架初步方案为满堂支架采用碗扣式钢管架,支架专项方案设计需报审专家论证。支架顶部设置可调托撑调节纵梁、横梁高度,其上铺设梁体模板。支架纵横向设置剪力撑及水平横杆,顶部设单向风缆(靠墩方向),以增加其整体稳定性,支架上端与墩身间用方木塞紧。箱梁现浇布设支架时应根据设计及支架重量计算并设置一定的预拱度,用以抵消支架的弹性、非弹性变形。3、梁的重量及垂直投影面积(1)、K1+566.5人行天桥主梁梁重约134吨,主梁垂直投影面积为191平方,(3)、人行天桥人行梯道梁梁重均约49.5吨,梁垂直投影面积为105平方,(4)、两座人行天桥坡道梁梁重均约265吨,梁垂直投影面积为392平方,4、预压沉降attentiontoimprovingthequalityandefficiencyofdevelopmentandpaymoreattentiontosecurityandreformthepeople"slivelihood,morefocusonmaintainingsocialharmonyandstability,andpromotethedevelopmentoftownshipeconomyinabetterandfaster,createanewnormalXXdevelopmentandlayamoresolidfoundationforXXbuildawell-offsociety.Completedtasksthisyear,wemustalwayspayspecialattentiontotheprimarytaskofdevelopment.XXweakeconomicbase,lowlevelsofdevelopment,economicconstructionistheCenter,wehavetocreateconditionsforfastereconomicdevelopment,accumulatingmorewealth,betterpeople"slives.Effortshouldbemadetothisyear"seconomicgrowth,revenuegrowth,peoplehavemaintainedahighrateofincomegrowth,GDPgrowthofmorethan15percentrespectively.Alwaysgraspthefundamentalimpetusforreform.Wearenow"nosoldiersbehind"manyindicatorsrankedinthebottomofthecountyfromgettingbigger.Onlybygoingallouttohardwork,hardwork,innovation,reformdoesnotadapttoinstitutionalmechanisms,practices,itispossibletochangethefaceofXXpoor,intoawell-offsocietytogetherwithpeopleacrossthecountry.Wewanttobreaktheoldpatternsofthinking,methodsandorganizationofwork,bravelyandboldlyinto,makingfulluseofalltheadvantages,comprehensivereforms,tomakeallitsvitalityfordevelopmentimpulse,letfullplaytoallsourcesofwealthcreation.Shouldalwaysstability119 为了清除支架自身的非弹性变形、基础沉降及测出支架的弹性变形在支架搭设完工后,混凝土浇注前要对支架进行超载预压,采用沙袋堆载法预压,预压重为上部恒载重量的1.2倍,支架预压过程中有专人详细观测沉降并记录,一般预压期为7天,在连续3天观测累计沉降不超过3cm时即为支架已稳定,稳定2天后卸载。支架预压卸载后,将观测数据统计分析,求出预压段支架的弹性变形和非弹性变形,并对该段底模板标高进行调整,其调整后高程=理论高程+预拱度+弹性变形值。5、支座安装支座的安装均应严格按照厂家和有关标准规定的工艺、标准进行。支座安装时,要保持水平,梁底楔形块和墩顶垫石应进行相应调整,以保证水平度和标高的精确。6、钢箱梁制造及安装⑴主梁结构采用Q345B钢材。⑵钢梁制造:钢梁的制造应符合钢桥制造规范及钢结构制造有关规范。主要箱形构件,均采用开坡口熔透的自动焊或半自动焊。其他次要构件的角焊缝采用不熔透的手工焊接。对接采用铲平的熔透的对接焊。杆件对接板的焊缝应错开,不能在同一断面上。熔透焊缝全部进行超声波探伤。焊接欠的焊缝边母材必须用手提砂轮除锈,焊成杆件后应喷砂或抛丸除锈。后喷涂二道环氧富锌底漆,运往工地安装。⑶焊接要求①②③④⑤⑷⑸⑹⑺①②6、模板安装attentiontoimprovingthequalityandefficiencyofdevelopmentandpaymoreattentiontosecurityandreformthepeople"slivelihood,morefocusonmaintainingsocialharmonyandstability,andpromotethedevelopmentoftownshipeconomyinabetterandfaster,createanewnormalXXdevelopmentandlayamoresolidfoundationforXXbuildawell-offsociety.Completedtasksthisyear,wemustalwayspayspecialattentiontotheprimarytaskofdevelopment.XXweakeconomicbase,lowlevelsofdevelopment,economicconstructionistheCenter,wehavetocreateconditionsforfastereconomicdevelopment,accumulatingmorewealth,betterpeople"slives.Effortshouldbemadetothisyear"seconomicgrowth,revenuegrowth,peoplehavemaintainedahighrateofincomegrowth,GDPgrowthofmorethan15percentrespectively.Alwaysgraspthefundamentalimpetusforreform.Wearenow"nosoldiersbehind"manyindicatorsrankedinthebottomofthecountyfromgettingbigger.Onlybygoingallouttohardwork,hardwork,innovation,reformdoesnotadapttoinstitutionalmechanisms,practices,itispossibletochangethefaceofXXpoor,intoawell-offsocietytogetherwithpeopleacrossthecountry.Wewanttobreaktheoldpatternsofthinking,methodsandorganizationofwork,bravelyandboldlyinto,makingfulluseofalltheadvantages,comprehensivereforms,tomakeallitsvitalityfordevelopmentimpulse,letfullplaytoallsourcesofwealthcreation.Shouldalwaysstability119 坡、梯道底、侧模:梁底、侧模板采用18mm厚胶合板,铺设底模板前应测量顶柱高程,使之与各点底板高程相适应。计算底板各点的高程时,应使底模板有一定的预留变形量,以抵消支架的弹性变形。在安装现浇梁底模时,支座四周均用泡沫塑料相隔离,墩台顶其他部位用泡沫塑料板上铺薄铁板做骨架,其间铺砂压实,上做砂浆表面做底板。在拆箱梁底模板时应将塑料板一并拆除。7、钢筋制作安装普通钢筋采用在加工厂制作成型,现场绑扎安装施工。在安装并调好底模及侧模后,沿底模纵向安放高强度塑料垫块,开始底板和腹板普通钢筋绑扎,然后安装内模,再绑扎顶板钢筋。8、梁体砼浇注混凝土浇筑应从跨中向墩顶方向浇筑,最后浇筑墩顶两侧各3米左右范围内的梁段及横隔板,纵向箱梁分层浇筑成功。竖向分三次浇筑:第一次浇筑至箱梁顶(主梁浇筑至倒角顶,人行梯道及坡道梁浇筑至PVC管一半以上),第二次浇筑至侧墙顶,第三次浇筑剩余部分。砼浇筑前,模板必须清理干净,模板接触砼的面用浅色石蜡油涂抹均匀,预埋好支座调平钢板、支座、伸缩装置、护栏等相关的预埋件。砼采用拌和站集中拌和,砼运输车运输,砼输送泵泵送入模。砼施工温控措施:大体积砼的浇筑尽量选择在一天温度最低时进行,按照下述方法控制砼水化热温度。①改善骨料级配、降低水灰比、掺加混合料、掺外加剂等方法减少水泥用量。②采用水化热低的矿渣水泥、粉煤灰水泥。③减少浇筑层厚度,加快砼散热速度。(六)桥面铺装砼及其他附属工程1、桥面铺装:本合同段桥梁桥面铺装采用20-36mm厚C40防水砼。attentiontoimprovingthequalityandefficiencyofdevelopmentandpaymoreattentiontosecurityandreformthepeople"slivelihood,morefocusonmaintainingsocialharmonyandstability,andpromotethedevelopmentoftownshipeconomyinabetterandfaster,createanewnormalXXdevelopmentandlayamoresolidfoundationforXXbuildawell-offsociety.Completedtasksthisyear,wemustalwayspayspecialattentiontotheprimarytaskofdevelopment.XXweakeconomicbase,lowlevelsofdevelopment,economicconstructionistheCenter,wehavetocreateconditionsforfastereconomicdevelopment,accumulatingmorewealth,betterpeople"slives.Effortshouldbemadetothisyear"seconomicgrowth,revenuegrowth,peoplehavemaintainedahighrateofincomegrowth,GDPgrowthofmorethan15percentrespectively.Alwaysgraspthefundamentalimpetusforreform.Wearenow"nosoldiersbehind"manyindicatorsrankedinthebottomofthecountyfromgettingbigger.Onlybygoingallouttohardwork,hardwork,innovation,reformdoesnotadapttoinstitutionalmechanisms,practices,itispossibletochangethefaceofXXpoor,intoawell-offsocietytogetherwithpeopleacrossthecountry.Wewanttobreaktheoldpatternsofthinking,methodsandorganizationofwork,bravelyandboldlyinto,makingfulluseofalltheadvantages,comprehensivereforms,tomakeallitsvitalityfordevelopmentimpulse,letfullplaytoallsourcesofwealthcreation.Shouldalwaysstability119 A、浇筑砼前应仔细检查梁、板顶面标高,如果铺装层最小厚度不能满足设计要求或厚度过大时,必须在主梁砼强度达到设计强度后进行。B、浇筑桥面铺装砼,必须在横向连接砼浇筑完成后进行。C、为保证桥面铺装砼与板梁砼良好粘结,在施工前必须将板梁表面砼用高压水冲洗干净,用人工凿出新鲜砼面,然后再绑扎钢筋网,安装模板,浇筑砼。D、桥面铺装钢筋顺桥向只在伸缩缝处断开。E、桥面铺装砼采用一次浇筑完成。F、浇筑砼宜从下坡向上坡进行浇筑,路拱必须符合设计规定,表面必须平整、粗糙。2.其他附属工程:A、花槽采用与主梁一体浇筑施工,钢筋必须严格按照设计图纸放样布置。B、栏杆采用预埋钢板焊接栏杆钢构件方法进行施工,焊接完成后浇筑砼,施工时必须严格按照设计图纸进行工序施工。3.装饰施工(1)、铺装工程人行天桥采用M7.5水泥砂浆作结合层,应随拌随用,初凝前用完,防止影响粘结质量。attentiontoimprovingthequalityandefficiencyofdevelopmentandpaymoreattentiontosecurityandreformthepeople"slivelihood,morefocusonmaintainingsocialharmonyandstability,andpromotethedevelopmentoftownshipeconomyinabetterandfaster,createanewnormalXXdevelopmentandlayamoresolidfoundationforXXbuildawell-offsociety.Completedtasksthisyear,wemustalwayspayspecialattentiontotheprimarytaskofdevelopment.XXweakeconomicbase,lowlevelsofdevelopment,economicconstructionistheCenter,wehavetocreateconditionsforfastereconomicdevelopment,accumulatingmorewealth,betterpeople"slives.Effortshouldbemadetothisyear"seconomicgrowth,revenuegrowth,peoplehavemaintainedahighrateofincomegrowth,GDPgrowthofmorethan15percentrespectively.Alwaysgraspthefundamentalimpetusforreform.Wearenow"nosoldiersbehind"manyindicatorsrankedinthebottomofthecountyfromgettingbigger.Onlybygoingallouttohardwork,hardwork,innovation,reformdoesnotadapttoinstitutionalmechanisms,practices,itispossibletochangethefaceofXXpoor,intoawell-offsocietytogetherwithpeopleacrossthecountry.Wewanttobreaktheoldpatternsofthinking,methodsandorganizationofwork,bravelyandboldlyinto,makingfulluseofalltheadvantages,comprehensivereforms,tomakeallitsvitalityfordevelopmentimpulse,letfullplaytoallsourcesofwealthcreation.Shouldalwaysstability119 铺砌时,砖的背面用清水湿润,铺砌到已铺好的M7.5水泥砂浆结合层,砖上面略高出平标高线,找正、找直、找方后,砖上面垫板,用橡皮锤拍实,顺序从内退着往外铺砌做到面砖砂浆饱满、相接紧密、坚实,铺砌时最好应采取分段、分部位铺砌。修整:铺完2至3行,应随时拉线检查缝格的平直度,如超出规定应立即修整,将缝拨直,并用橡皮锤拍实。此项工作应在结合层凝结之前完成。擦缝:面层铺贴应进行擦缝工作,并应采同品种、同标号、同颜色的水泥。擦缝要求接缝平直,在铺实修整好的砖面层上用浆壶往缝内浇水泥浆,然后用干水泥撒在缝上,再用棉纱团擦揉,将缝隙擦满。最后将面层上的水泥浆擦干净。铺砌时注意盲道铺设,避免返工。(2)外观涂料人行天桥外观涂料主要分布在主梁、梯道梁、坡道梁及墩柱。涂料采用丙烯亚光乳胶外墙涂料,根基涂料特性,本工程可采用人工刷漆进行施工,涂料分三层刷漆。4.桥面伸缩缝安装本项目伸缩缝均属于简易伸缩缝,采用油毛毡填充即可。5、人行天桥栏杆安装本工程桥面设计有钢栏杆,钢栏杆的质量控制主要有以下几个方面:(1)、对不符合设计要求的钢材,不得用于本工程,同时,检查钢材的质量证明书,必要的情况下,对原材进行复试。(2)、钢材焊接必须饱满、圆滑,表面不得存在焊渣或焊接不良现象。(3)、焊接完成的钢材,其焊接部位应进行打磨光滑,并进行防腐及防锈处理。attentiontoimprovingthequalityandefficiencyofdevelopmentandpaymoreattentiontosecurityandreformthepeople"slivelihood,morefocusonmaintainingsocialharmonyandstability,andpromotethedevelopmentoftownshipeconomyinabetterandfaster,createanewnormalXXdevelopmentandlayamoresolidfoundationforXXbuildawell-offsociety.Completedtasksthisyear,wemustalwayspayspecialattentiontotheprimarytaskofdevelopment.XXweakeconomicbase,lowlevelsofdevelopment,economicconstructionistheCenter,wehavetocreateconditionsforfastereconomicdevelopment,accumulatingmorewealth,betterpeople"slives.Effortshouldbemadetothisyear"seconomicgrowth,revenuegrowth,peoplehavemaintainedahighrateofincomegrowth,GDPgrowthofmorethan15percentrespectively.Alwaysgraspthefundamentalimpetusforreform.Wearenow"nosoldiersbehind"manyindicatorsrankedinthebottomofthecountyfromgettingbigger.Onlybygoingallouttohardwork,hardwork,innovation,reformdoesnotadapttoinstitutionalmechanisms,practices,itispossibletochangethefaceofXXpoor,intoawell-offsocietytogetherwithpeopleacrossthecountry.Wewanttobreaktheoldpatternsofthinking,methodsandorganizationofwork,bravelyandboldlyinto,makingfulluseofalltheadvantages,comprehensivereforms,tomakeallitsvitalityfordevelopmentimpulse,letfullplaytoallsourcesofwealthcreation.Shouldalwaysstability119 (4)、应对钢管的间距、尺寸及规格等进行检查,不符合要求的部位进行返工。(七)注意事项1、施工顺序①首先现场放线,然后进行下部结构施工。②安装支座,搭设支架,在支架上现浇主梁。③拆除支架2、施工注意事项⑴箱梁按顶底板平行进行设计,浇筑时须加以注意。⑵现浇主梁混凝土施工时,应采取措施保证支架稳固,安全,主桥两侧梯、坡道桥,应对称卸载。⑶箱梁采用支架现浇施工,施工时,应严格控制支架的沉降,浇筑混凝土前应对支架进行预压,以减少非弹性变形并确保支架的承载能力,预压重量不得小于120%箱梁的恒重。⑷施工时箱梁顶板、底板的上、下层钢筋及腹板的内、外层钢筋之间应采用Φ12短钢筋(两端用90º弯钩)固定绑扎成整体。⑸施工时,应注意为下道工序预埋钢筋、构件或预留孔、槽,应注意护栏、伸缩缝、支座等预埋件的预埋,并确保位置准确。⑹施工时被切断的钢筋应采用等强度原则进行补强。⑺为了使桥梁外观颜色一致,要求主梁采用同厂家、同品种水泥。⑻混凝土建筑完毕,应及时予以养护,以确保其质量。⑼施工应严格按照施工规范操作,外观要求平整光洁。⑽所有预埋件的施工放样应严格控制精度。attentiontoimprovingthequalityandefficiencyofdevelopmentandpaymoreattentiontosecurityandreformthepeople"slivelihood,morefocusonmaintainingsocialharmonyandstability,andpromotethedevelopmentoftownshipeconomyinabetterandfaster,createanewnormalXXdevelopmentandlayamoresolidfoundationforXXbuildawell-offsociety.Completedtasksthisyear,wemustalwayspayspecialattentiontotheprimarytaskofdevelopment.XXweakeconomicbase,lowlevelsofdevelopment,economicconstructionistheCenter,wehavetocreateconditionsforfastereconomicdevelopment,accumulatingmorewealth,betterpeople"slives.Effortshouldbemadetothisyear"seconomicgrowth,revenuegrowth,peoplehavemaintainedahighrateofincomegrowth,GDPgrowthofmorethan15percentrespectively.Alwaysgraspthefundamentalimpetusforreform.Wearenow"nosoldiersbehind"manyindicatorsrankedinthebottomofthecountyfromgettingbigger.Onlybygoingallouttohardwork,hardwork,innovation,reformdoesnotadapttoinstitutionalmechanisms,practices,itispossibletochangethefaceofXXpoor,intoawell-offsocietytogetherwithpeopleacrossthecountry.Wewanttobreaktheoldpatternsofthinking,methodsandorganizationofwork,bravelyandboldlyinto,makingfulluseofalltheadvantages,comprehensivereforms,tomakeallitsvitalityfordevelopmentimpulse,letfullplaytoallsourcesofwealthcreation.Shouldalwaysstability119 ⑾施工前应首先探明地下管线位置并注意保护,以免施工时造成重大损失。⑿支座要求水平放置,位置及标高准确。二、U型槽及框架桥1、本项目所在地区平均高潮水位高程为2.47米,平均低潮水位高程为-1.41米,基坑底面最低处高程为1.1米,位于平均高潮水位之下,平均低潮水位之上,受潮间带水位涨落的影响,高潮位时海水补给基坑内的地下水,基坑内积水;低潮位时地下水向海水排放,基坑内水位降低。为保证高潮位时基坑安全及基坑内施工作业安全,每天必须进行疏干性降水,维持指定的水位,以保证基坑内能干法作业。按平均高潮水位为降水初始水位,基坑ZK0+141.45–ZK0+246.35范围内需进行排降水,要求基坑水位降至基坑底面以下0.5米。2、U型槽及框架桥基坑,长145米,宽23.8--32米,深1.8--3.8米。由于场地开阔,基坑开挖对周边环境基本没有影响,具备完全放坡条件,采用放坡开挖,根据地勘资料,基坑范围内表层为2.6--2.8米的回填土,以下为吹填砂,基坑开挖坡率采用1:2;支护方式采用在开挖坡面用袋装砂压坡后,挂网喷射混凝土的方式。开挖时注意桩基的保护,桩基周边30cm采用人工开挖。3、U型槽主体结构采用C45防水耐腐蚀钢筋混凝土U型结构,C1节段底板厚度为80cm,侧墙厚度为70cm;C2节段底板厚度为110cm,沿路线前进方向左侧墙厚度为90cm,右侧墙厚度为70cm,在桩号ZK0+155.7—attentiontoimprovingthequalityandefficiencyofdevelopmentandpaymoreattentiontosecurityandreformthepeople"slivelihood,morefocusonmaintainingsocialharmonyandstability,andpromotethedevelopmentoftownshipeconomyinabetterandfaster,createanewnormalXXdevelopmentandlayamoresolidfoundationforXXbuildawell-offsociety.Completedtasksthisyear,wemustalwayspayspecialattentiontotheprimarytaskofdevelopment.XXweakeconomicbase,lowlevelsofdevelopment,economicconstructionistheCenter,wehavetocreateconditionsforfastereconomicdevelopment,accumulatingmorewealth,betterpeople"slives.Effortshouldbemadetothisyear"seconomicgrowth,revenuegrowth,peoplehavemaintainedahighrateofincomegrowth,GDPgrowthofmorethan15percentrespectively.Alwaysgraspthefundamentalimpetusforreform.Wearenow"nosoldiersbehind"manyindicatorsrankedinthebottomofthecountyfromgettingbigger.Onlybygoingallouttohardwork,hardwork,innovation,reformdoesnotadapttoinstitutionalmechanisms,practices,itispossibletochangethefaceofXXpoor,intoawell-offsocietytogetherwithpeopleacrossthecountry.Wewanttobreaktheoldpatternsofthinking,methodsandorganizationofwork,bravelyandboldlyinto,makingfulluseofalltheadvantages,comprehensivereforms,tomakeallitsvitalityfordevelopmentimpulse,letfullplaytoallsourcesofwealthcreation.Shouldalwaysstability119 ZK0+172间左侧墙高度从270.1cm渐变至764.3cm,且在左侧墙设置加劲肋以抵抗侧向土压力;C3节段底板厚度为110cm,沿路线前进方向左侧墙厚度为70cm,右侧墙厚度为90cm,在桩号ZK0+245—ZK0+269间右侧墙高度从709.1cm渐变至247.1cm,且在右侧墙设置加劲肋以抵抗侧向土压力。框架桥中心桩号为ZK0+208.5,长度73m,与上跨道路呈26度交角。4、结构型式采用一孔现浇C45防水耐腐蚀钢筋混凝土矩形箱涵结构,结构全宽1150cm、高度为760cm,顶板厚100cm,底板厚90cm,侧墙厚80cm,内部顶板与侧墙相接处设置100*40cm的倒角。基础为直径1.2m桩基础,采用C40防水耐腐蚀混凝土,所有节段均采用6根双排桩,桩帽平面尺寸为2.6m×2.6m,厚0.7m,标准横断面宽度为8.5m。施工时从泵房先施工,再从泵房连接的节段施工往两侧节段扩展施工。先做泵房,然后K2节段底板,再做K1、K3节段底板与K2节段顶板、侧墙同时施工,以此类推按进行施工。(一)、主要材料1、混凝土混凝土强度等级及数量:主体为C45砼约3770.9m³,桩基、搭板为C40砼约1560m³,局部为C20砼约429m³,本工程混凝土全部采用商品混凝土。2、钢筋:采用HRB355级、R235级钢筋。(二)、钻孔灌注桩参考人行天桥做法(三)基坑开挖及支护基坑开挖应按设计方案及降排水要求进行,基坑周边严禁超堆荷载,发生异常情况时,应停止挖土attentiontoimprovingthequalityandefficiencyofdevelopmentandpaymoreattentiontosecurityandreformthepeople"slivelihood,morefocusonmaintainingsocialharmonyandstability,andpromotethedevelopmentoftownshipeconomyinabetterandfaster,createanewnormalXXdevelopmentandlayamoresolidfoundationforXXbuildawell-offsociety.Completedtasksthisyear,wemustalwayspayspecialattentiontotheprimarytaskofdevelopment.XXweakeconomicbase,lowlevelsofdevelopment,economicconstructionistheCenter,wehavetocreateconditionsforfastereconomicdevelopment,accumulatingmorewealth,betterpeople"slives.Effortshouldbemadetothisyear"seconomicgrowth,revenuegrowth,peoplehavemaintainedahighrateofincomegrowth,GDPgrowthofmorethan15percentrespectively.Alwaysgraspthefundamentalimpetusforreform.Wearenow"nosoldiersbehind"manyindicatorsrankedinthebottomofthecountyfromgettingbigger.Onlybygoingallouttohardwork,hardwork,innovation,reformdoesnotadapttoinstitutionalmechanisms,practices,itispossibletochangethefaceofXXpoor,intoawell-offsocietytogetherwithpeopleacrossthecountry.Wewanttobreaktheoldpatternsofthinking,methodsandorganizationofwork,bravelyandboldlyinto,makingfulluseofalltheadvantages,comprehensivereforms,tomakeallitsvitalityfordevelopmentimpulse,letfullplaytoallsourcesofwealthcreation.Shouldalwaysstability119 ,并应及时查清原因和采取措施,方能继续挖土。由于场地开阔,基坑开挖对周边环境基本没有影响,具备完全放坡条件,采用放坡开挖,根据地勘资料,基坑范围内表层为2.6--2.8米的回填土,以下为吹填砂,基坑开挖坡率采用1:2;支护方式采用在开挖坡面用袋装砂压坡后,挂网喷射混凝土的方式。开挖时注意桩基的保护,桩基周边30cm采用人工开挖。具体施工方法结合设计图纸进行。技术措施:为确保基坑土方开挖施工的安全、顺利,特制定以下的施工技术措施。1、基坑开挖过程中应特别注意市政管线的保护。开挖过程中应该做到:开挖暴露前调查清楚(包括具体里程、埋深等)、标明位置,开挖过程中留有保护距离、人工挖掘暴露,暴露后加以保护,不得碰撞,管线附近土方采用垂直运输的方法。2、基坑开挖到各层临时支撑设计标高时,应及时支撑,如不能及时施作支撑的区段应注意沟槽开挖、留土护壁。3、运输便道应设专人修整,确保运输安全、提高效率。4、机械开挖的同时应辅以人工配合,特别是基底以上20~30cm的土层应以人工开挖为主,以减少超挖、保持坑底土体的原状结构。5、在基坑开挖过程中,应加强观察和监控量测工作,以便发现施工安全隐患,并通过监测反馈及时调整开挖步序。框架桥与主线路基交界段地基处理,应在地下结构施工完毕后且拆除基坑边坡锚喷防护后,再回填基坑,最后进行粉喷桩施工。(四)、基坑降水基坑降水采用深井降水attentiontoimprovingthequalityandefficiencyofdevelopmentandpaymoreattentiontosecurityandreformthepeople"slivelihood,morefocusonmaintainingsocialharmonyandstability,andpromotethedevelopmentoftownshipeconomyinabetterandfaster,createanewnormalXXdevelopmentandlayamoresolidfoundationforXXbuildawell-offsociety.Completedtasksthisyear,wemustalwayspayspecialattentiontotheprimarytaskofdevelopment.XXweakeconomicbase,lowlevelsofdevelopment,economicconstructionistheCenter,wehavetocreateconditionsforfastereconomicdevelopment,accumulatingmorewealth,betterpeople"slives.Effortshouldbemadetothisyear"seconomicgrowth,revenuegrowth,peoplehavemaintainedahighrateofincomegrowth,GDPgrowthofmorethan15percentrespectively.Alwaysgraspthefundamentalimpetusforreform.Wearenow"nosoldiersbehind"manyindicatorsrankedinthebottomofthecountyfromgettingbigger.Onlybygoingallouttohardwork,hardwork,innovation,reformdoesnotadapttoinstitutionalmechanisms,practices,itispossibletochangethefaceofXXpoor,intoawell-offsocietytogetherwithpeopleacrossthecountry.Wewanttobreaktheoldpatternsofthinking,methodsandorganizationofwork,bravelyandboldlyinto,makingfulluseofalltheadvantages,comprehensivereforms,tomakeallitsvitalityfordevelopmentimpulse,letfullplaytoallsourcesofwealthcreation.Shouldalwaysstability119 1、井点布置:基坑井点将布置在基坑四周,成双排包围状布置,井管布置在基坑开挖顶部边线外2米,井深6米,管井间距15米,基坑底部设置排水盲沟和集水井。管井井点抽出的水统一排至基坑外排水明沟。2、管井材料:管井采用Φ273×4mm螺旋钢管,长度为6m,一端用厚为6.0mm钢板焊死,在此端4m长范围内,在管壁上钻Φ10mm的小圆孔,孔距为50mm,外包三层滤网,滤网采用60–80目尼龙网,每隔100mm用10号铁丝绑扎一道。明沟主要在基坑外侧,用于截断地表水流向基坑,并将基坑排水引向大海。3、施工工艺流程井点测量定位→挖井口→安护筒钻机就位→钻孔→回填井底砂垫层→吊放井管→回填井管与孔壁间的砾石过滤层→洗井→井管内下设水泵、安装抽水控制电路→试抽水→正常工作→降水完毕→封井(用砼浇筑)4、施工操作要点(1)定位。根据设计井位及现场实际情况,准确定出各井位置,并做好标记。(2)采用螺旋钻成孔。孔径一般为12”,用泥浆护壁,孔口设置护筒,以防孔口塌方,并在一侧设排泥沟、泥浆坑。(3)成孔后立即清孔,并安装井管。井管下入后,井管的滤管部分应放置在含水层适当范围内,并在井管与孔壁间填充粗砂滤料。(4)安装潜水泵前,用压缩空气洗井法清洗滤井,冲除尘渣,直到井管内排出的水由浑变清,达到正常出水量为止。attentiontoimprovingthequalityandefficiencyofdevelopmentandpaymoreattentiontosecurityandreformthepeople"slivelihood,morefocusonmaintainingsocialharmonyandstability,andpromotethedevelopmentoftownshipeconomyinabetterandfaster,createanewnormalXXdevelopmentandlayamoresolidfoundationforXXbuildawell-offsociety.Completedtasksthisyear,wemustalwayspayspecialattentiontotheprimarytaskofdevelopment.XXweakeconomicbase,lowlevelsofdevelopment,economicconstructionistheCenter,wehavetocreateconditionsforfastereconomicdevelopment,accumulatingmorewealth,betterpeople"slives.Effortshouldbemadetothisyear"seconomicgrowth,revenuegrowth,peoplehavemaintainedahighrateofincomegrowth,GDPgrowthofmorethan15percentrespectively.Alwaysgraspthefundamentalimpetusforreform.Wearenow"nosoldiersbehind"manyindicatorsrankedinthebottomofthecountyfromgettingbigger.Onlybygoingallouttohardwork,hardwork,innovation,reformdoesnotadapttoinstitutionalmechanisms,practices,itispossibletochangethefaceofXXpoor,intoawell-offsocietytogetherwithpeopleacrossthecountry.Wewanttobreaktheoldpatternsofthinking,methodsandorganizationofwork,bravelyandboldlyinto,makingfulluseofalltheadvantages,comprehensivereforms,tomakeallitsvitalityfordevelopmentimpulse,letfullplaytoallsourcesofwealthcreation.Shouldalwaysstability119 (5)潜水泵安装后,对潜水泵本身和控制系统作一次全面细致的检查,合格后进行试抽水,满足要求后转入正常工作。(6)观测井中地下水位变化,做好详细记录。(7)如抽水时出泥量很大,应停止抽水,防止地下产生流沙,而造成塌方。5.降水维护(1)降水期间,不得随意停抽。因为抽水连续进行,特别是开始抽水阶段,时停时抽,井点管的滤网易于阻塞,出水混浊。同时由于中途长时间停止抽水,造成地下水位上升,会引起土方边坡塌方等事故。(2)应对抽水设备运行状况进行维护检查,每天检查不应小于3次,检查电动机和水泵的温度、电流、电压等情况,发现问题及时处理,使抽水设备正常运行。(3)当发生停电时,应及时更新电源,保持正常降水。(4)降水应经常进行检查,其出水规律应“先大后小,先混后清”。若出现异常情况,应及时进行检查。(5)在抽水过程中,应经常检查和调节离心泵的出水阀门以控制流水量,当地下水位降到所要求逇水位后,减少出水阀门的出水量,尽量使抽吸与排水保持均匀,达到细水长流。(6)在抽水过程中,特别是开始抽水时,应检查有无井点管淤塞的死井。如“死井”数量超过10%,则严重影响降水效果,应及时采取措施,采用高压水反复冲洗处理。(7)发现基坑槽出水涌沙应立即查明原因组织处理。(8)应经常对水箱进行清洗,以防水箱中沉积有大量泥沙,将离心泵堵住从而影响抽水效果。attentiontoimprovingthequalityandefficiencyofdevelopmentandpaymoreattentiontosecurityandreformthepeople"slivelihood,morefocusonmaintainingsocialharmonyandstability,andpromotethedevelopmentoftownshipeconomyinabetterandfaster,createanewnormalXXdevelopmentandlayamoresolidfoundationforXXbuildawell-offsociety.Completedtasksthisyear,wemustalwayspayspecialattentiontotheprimarytaskofdevelopment.XXweakeconomicbase,lowlevelsofdevelopment,economicconstructionistheCenter,wehavetocreateconditionsforfastereconomicdevelopment,accumulatingmorewealth,betterpeople"slives.Effortshouldbemadetothisyear"seconomicgrowth,revenuegrowth,peoplehavemaintainedahighrateofincomegrowth,GDPgrowthofmorethan15percentrespectively.Alwaysgraspthefundamentalimpetusforreform.Wearenow"nosoldiersbehind"manyindicatorsrankedinthebottomofthecountyfromgettingbigger.Onlybygoingallouttohardwork,hardwork,innovation,reformdoesnotadapttoinstitutionalmechanisms,practices,itispossibletochangethefaceofXXpoor,intoawell-offsocietytogetherwithpeopleacrossthecountry.Wewanttobreaktheoldpatternsofthinking,methodsandorganizationofwork,bravelyandboldlyinto,makingfulluseofalltheadvantages,comprehensivereforms,tomakeallitsvitalityfordevelopmentimpulse,letfullplaytoallsourcesofwealthcreation.Shouldalwaysstability119 (9)抽水值班人员应经常检查机组运行情况,如有异常应及时维修,无法修复的应及时更换。(10)降水工作应与开挖施工密切配合。(11)做好井点管的保护工作,严禁机械施工时破坏抽水系统。6、备用方案采用φ75管在最内侧一排降水井位置根据现场实际情况加密,水泵型号根据现场需要安装。(五)、喷射砼支护喷射砼在施工前,我们将作试喷试验,以确定喷射砼的施工最佳配合比及速凝剂的最佳掺量,确保砼的强度剂尽量减少回弹量。根据施工经验有关技术规范,喷射砼一般应符合下列作业要求:1.喷射作业应分段、分片由下而上的顺序进行;2.喷头应垂直受喷面,并且离受喷面的距离控制在0.6~1.0m之间;3.喷射时,喷嘴应对准受喷面作顺时针或逆时针方向螺旋转动,螺旋直径为20~30cm,以使砼喷射密实。4.当受喷面有较大坑洼时,先喷凹处,待全部填平后再进行正常的施工喷射。5.喷射砼的回弹物不得重复使用,受喷面有水时,我们将采取引水的方法将受喷面的水引走后再进行喷射。6.喷射机启动时,应先送风再开机,并在机械运转正常后再送料,供料应连续均匀。作业结束时,先停止送料,待料罐内余料喷完后再停机、关风,喷射机以及输料管内的积料应及时清除干净,以避免堵管。attentiontoimprovingthequalityandefficiencyofdevelopmentandpaymoreattentiontosecurityandreformthepeople"slivelihood,morefocusonmaintainingsocialharmonyandstability,andpromotethedevelopmentoftownshipeconomyinabetterandfaster,createanewnormalXXdevelopmentandlayamoresolidfoundationforXXbuildawell-offsociety.Completedtasksthisyear,wemustalwayspayspecialattentiontotheprimarytaskofdevelopment.XXweakeconomicbase,lowlevelsofdevelopment,economicconstructionistheCenter,wehavetocreateconditionsforfastereconomicdevelopment,accumulatingmorewealth,betterpeople"slives.Effortshouldbemadetothisyear"seconomicgrowth,revenuegrowth,peoplehavemaintainedahighrateofincomegrowth,GDPgrowthofmorethan15percentrespectively.Alwaysgraspthefundamentalimpetusforreform.Wearenow"nosoldiersbehind"manyindicatorsrankedinthebottomofthecountyfromgettingbigger.Onlybygoingallouttohardwork,hardwork,innovation,reformdoesnotadapttoinstitutionalmechanisms,practices,itispossibletochangethefaceofXXpoor,intoawell-offsocietytogetherwithpeopleacrossthecountry.Wewanttobreaktheoldpatternsofthinking,methodsandorganizationofwork,bravelyandboldlyinto,makingfulluseofalltheadvantages,comprehensivereforms,tomakeallitsvitalityfordevelopmentimpulse,letfullplaytoallsourcesofwealthcreation.Shouldalwaysstability119 7.认真控制好施工风压,保持在0.1MPa左右,保证喷射砼既粘结有力,尽量减少回弹量。另外要调整水压略大于风压,保证水流不被风压平衡阻断使料束润湿。8.喷射砼终凝2小时后,应喷水养护。(六)、防水施工1、U型槽、框架桥防水方法①底板防水施工步骤水泥砂浆找平→铺贴无纺布、防水卷材→砂浆底板结构②边墙防水施工步骤边墙结构施工→铺贴无纺布、防水卷材→水泥砂浆找平③纵向施工缝防水施工在中心位置沿施工缝顶、底板纵向全长设置钢板橡胶止水带,外侧均布置背贴式止水带。④横向施工缝防水施工在中心位置环向设置钢板橡胶止水带,外侧均布置背贴式止水带。顶板及侧墙止水带内侧设置[8槽钢接水槽,少量渗水经接水槽导入边水沟。⑤横向变形缝防水施工在中心位置环向设置钢板橡胶止水带,外侧均布置背贴式止水带。顶板及侧墙止水带内侧设置[8槽钢接水槽,少量渗水经接水槽导入边水沟。⑥底板与桩头交接处防水在桩头处用镀锌钢板箍箍紧防水卷材,钢板箍分为A、B两种,钢板箍B在桩浇筑时设置,钢板箍A紧箍防水卷材,螺栓、螺母、垫圈须进行防锈处理。attentiontoimprovingthequalityandefficiencyofdevelopmentandpaymoreattentiontosecurityandreformthepeople"slivelihood,morefocusonmaintainingsocialharmonyandstability,andpromotethedevelopmentoftownshipeconomyinabetterandfaster,createanewnormalXXdevelopmentandlayamoresolidfoundationforXXbuildawell-offsociety.Completedtasksthisyear,wemustalwayspayspecialattentiontotheprimarytaskofdevelopment.XXweakeconomicbase,lowlevelsofdevelopment,economicconstructionistheCenter,wehavetocreateconditionsforfastereconomicdevelopment,accumulatingmorewealth,betterpeople"slives.Effortshouldbemadetothisyear"seconomicgrowth,revenuegrowth,peoplehavemaintainedahighrateofincomegrowth,GDPgrowthofmorethan15percentrespectively.Alwaysgraspthefundamentalimpetusforreform.Wearenow"nosoldiersbehind"manyindicatorsrankedinthebottomofthecountyfromgettingbigger.Onlybygoingallouttohardwork,hardwork,innovation,reformdoesnotadapttoinstitutionalmechanisms,practices,itispossibletochangethefaceofXXpoor,intoawell-offsocietytogetherwithpeopleacrossthecountry.Wewanttobreaktheoldpatternsofthinking,methodsandorganizationofwork,bravelyandboldlyinto,makingfulluseofalltheadvantages,comprehensivereforms,tomakeallitsvitalityfordevelopmentimpulse,letfullplaytoallsourcesofwealthcreation.Shouldalwaysstability119 ⑦所有防水构件、附件防水层、混凝土外加剂须满足相关技术要求。2、防水卷材铺设(1)铺设防水卷材前基层应符合以下条件:①基层干净、坚实、平整,基层不得有疏松、起砂、起皮现象。②基层阴阳角顺直并做成圆弧形,阴角最小半径100mm,阳角最小半径20mm。③各种预埋件已安装完成。(2)底板采用空铺法铺设,侧墙和顶板采用湿铺法铺设。(3)相邻卷材之间采用搭接法进行连接,搭接宽度不小于100mm,搭接前,先揭除卷材搭接边处的隔离膜。(4)将转角、阴阳角、细部节点等部位表面隔膜揭除,做好500mm宽附加层。(5)卷材铺设完成后,将卷材搭接缝处用专用密封膏密封处理。(6)防水层施工完毕后应尽快进行保护层施工。(7)防水卷材铺设质量标准①、防水卷材规格、性能必须按设计和有关标准采用。②、卷材防水层特殊部位的细部做法,必须符合设计要求和施工及验收规范的规定。③、防水层严禁有破损和渗漏现象。④、卷材粘结应牢固,无空鼓、损伤、滑移翘边、起泡、皱折等缺陷。⑤、卷材搭接宽度允许偏差-10mm。(8)防水卷材铺设注意事项attentiontoimprovingthequalityandefficiencyofdevelopmentandpaymoreattentiontosecurityandreformthepeople"slivelihood,morefocusonmaintainingsocialharmonyandstability,andpromotethedevelopmentoftownshipeconomyinabetterandfaster,createanewnormalXXdevelopmentandlayamoresolidfoundationforXXbuildawell-offsociety.Completedtasksthisyear,wemustalwayspayspecialattentiontotheprimarytaskofdevelopment.XXweakeconomicbase,lowlevelsofdevelopment,economicconstructionistheCenter,wehavetocreateconditionsforfastereconomicdevelopment,accumulatingmorewealth,betterpeople"slives.Effortshouldbemadetothisyear"seconomicgrowth,revenuegrowth,peoplehavemaintainedahighrateofincomegrowth,GDPgrowthofmorethan15percentrespectively.Alwaysgraspthefundamentalimpetusforreform.Wearenow"nosoldiersbehind"manyindicatorsrankedinthebottomofthecountyfromgettingbigger.Onlybygoingallouttohardwork,hardwork,innovation,reformdoesnotadapttoinstitutionalmechanisms,practices,itispossibletochangethefaceofXXpoor,intoawell-offsocietytogetherwithpeopleacrossthecountry.Wewanttobreaktheoldpatternsofthinking,methodsandorganizationofwork,bravelyandboldlyinto,makingfulluseofalltheadvantages,comprehensivereforms,tomakeallitsvitalityfordevelopmentimpulse,letfullplaytoallsourcesofwealthcreation.Shouldalwaysstability119 ①、施工人员进入卷材施工地带范围必须穿着软底胶鞋。②、卷材铺贴完后,应及时做好保护层,不得持任何硬物在卷材上拖行,不得堆放重物、硬物。③、做保护层时,运送材料的小车等运输工具必须用充气胶轮。④、卷材搭接不良:接头搭接形式以及长边、短边的搭接宽度偏小,接头处的粘结不密实,接槎损坏、空鼓;施工操作中应按程序弹标准线,使与卷材规格相符,操作中齐线铺贴。⑤、空鼓:铺贴卷材的基层潮湿,不平整、不洁净、产生基层与卷材间窝气、空鼓;铺设时排气不彻底,窝住空气,也可使卷材间空鼓;施工时基层应充分干燥,卷材铺设应均匀压实。⑥、渗漏:转角、阴阳角、细部节点等部位不易操作而渗漏。施工时附加层应仔细操作;保护好接槎卷材,搭接应满足宽度要求,保证特殊部位的施工质量。3、变形缝、施工缝防水施工止水带施工技术措施:①预埋式止水带:在混凝土结构变形缝处将止水带的两翼分别埋入结构中,埋设位置见图设计图。②安装止水带以细铁丝悬吊于格栅上固定位置,防止浇筑混凝土时止水带跑位。③止水带设置时不可翻转、扭曲,如发现破损立即更换。④在混凝土浇筑前应避免止水带被污物和水泥砂浆污损,表面有杂质须清理干净,以免混凝土与其咬合不紧密造成渗水通道。attentiontoimprovingthequalityandefficiencyofdevelopmentandpaymoreattentiontosecurityandreformthepeople"slivelihood,morefocusonmaintainingsocialharmonyandstability,andpromotethedevelopmentoftownshipeconomyinabetterandfaster,createanewnormalXXdevelopmentandlayamoresolidfoundationforXXbuildawell-offsociety.Completedtasksthisyear,wemustalwayspayspecialattentiontotheprimarytaskofdevelopment.XXweakeconomicbase,lowlevelsofdevelopment,economicconstructionistheCenter,wehavetocreateconditionsforfastereconomicdevelopment,accumulatingmorewealth,betterpeople"slives.Effortshouldbemadetothisyear"seconomicgrowth,revenuegrowth,peoplehavemaintainedahighrateofincomegrowth,GDPgrowthofmorethan15percentrespectively.Alwaysgraspthefundamentalimpetusforreform.Wearenow"nosoldiersbehind"manyindicatorsrankedinthebottomofthecountyfromgettingbigger.Onlybygoingallouttohardwork,hardwork,innovation,reformdoesnotadapttoinstitutionalmechanisms,practices,itispossibletochangethefaceofXXpoor,intoawell-offsocietytogetherwithpeopleacrossthecountry.Wewanttobreaktheoldpatternsofthinking,methodsandorganizationofwork,bravelyandboldlyinto,makingfulluseofalltheadvantages,comprehensivereforms,tomakeallitsvitalityfordevelopmentimpulse,letfullplaytoallsourcesofwealthcreation.Shouldalwaysstability119 ⑤接触止水带的混凝土不应出现粗集料集中和漏振现象。⑥止水带应就位准确、安装牢固,模板的端板应做成厢形,在浇注一侧混凝土时保护橡胶止水带的另一侧翼不受到破坏。止水带的端头离周围钢筋的距离不小于20mm,纵向固定间距不大于250mm。(1)变形缝①变形缝内侧进行嵌缝前,应对缝内进行清理,缝内混凝土表面应干净、平整、无灰尘、油污、疏松部位,防止局部渗水造成整条嵌缝密封失败。②背贴式止水带与防水卷材之间进行不透水焊接。③背贴式止水带在变形缝、横向施工缝与纵向施工缝相交处要求用专门的配件。④防水卷材紧贴主体结构,不得留有缝隙,其搭接宽度不得小于100mm,保证施工完毕后,防水卷材能形成一层密贴于主体结构上的防水膜。⑤止水带在环向应形成连续的封闭区,中间不得有断点,接头处采用搭接法进行连接,搭接宽度不小于100mm,搭接前,底部的橡胶条在厚度方向上应切成45º角。⑥对于槽钢接水槽外露部分的防护涂装,按下列步骤进行:a喷砂除锈(sa2.5);b环氧富锌底漆1道75um;c环氧封闭底漆1道25um;d环氧云铁中间漆1道140um;e银灰色丙烯酸聚氨脂面漆2道80um。attentiontoimprovingthequalityandefficiencyofdevelopmentandpaymoreattentiontosecurityandreformthepeople"slivelihood,morefocusonmaintainingsocialharmonyandstability,andpromotethedevelopmentoftownshipeconomyinabetterandfaster,createanewnormalXXdevelopmentandlayamoresolidfoundationforXXbuildawell-offsociety.Completedtasksthisyear,wemustalwayspayspecialattentiontotheprimarytaskofdevelopment.XXweakeconomicbase,lowlevelsofdevelopment,economicconstructionistheCenter,wehavetocreateconditionsforfastereconomicdevelopment,accumulatingmorewealth,betterpeople"slives.Effortshouldbemadetothisyear"seconomicgrowth,revenuegrowth,peoplehavemaintainedahighrateofincomegrowth,GDPgrowthofmorethan15percentrespectively.Alwaysgraspthefundamentalimpetusforreform.Wearenow"nosoldiersbehind"manyindicatorsrankedinthebottomofthecountyfromgettingbigger.Onlybygoingallouttohardwork,hardwork,innovation,reformdoesnotadapttoinstitutionalmechanisms,practices,itispossibletochangethefaceofXXpoor,intoawell-offsocietytogetherwithpeopleacrossthecountry.Wewanttobreaktheoldpatternsofthinking,methodsandorganizationofwork,bravelyandboldlyinto,makingfulluseofalltheadvantages,comprehensivereforms,tomakeallitsvitalityfordevelopmentimpulse,letfullplaytoallsourcesofwealthcreation.Shouldalwaysstability119 (2)施工缝①背贴式止水带与防水卷材之间进行不透水焊接。②背贴式止水带在变形缝、横向施工缝与纵向施工缝相交处要求用专门的配件。③防水卷材紧贴主体结构,不得留有缝隙,其搭接宽度不得小于100mm,保证施工完毕后,防水卷材能形成一层密贴于主体结构上的防水膜。④止水带在环向应形成连续的封闭区,中间不得有断点,接头处采用搭接法进行连接,搭接宽度不小于100mm,搭接前,底部的橡胶条在厚度方向上应切成45º角。⑤对于槽钢接水槽外露部分的防护涂装,按下列步骤进行:a喷砂除锈(sa2.5);b环氧富锌底漆1道75um;c环氧封闭底漆1道25um;d环氧云铁中间漆1道140um;e银灰色丙烯酸聚氨脂面漆2道80um。(七)、钢筋砼结构施工,参考人行天桥施工attentiontoimprovingthequalityandefficiencyofdevelopmentandpaymoreattentiontosecurityandreformthepeople"slivelihood,morefocusonmaintainingsocialharmonyandstability,andpromotethedevelopmentoftownshipeconomyinabetterandfaster,createanewnormalXXdevelopmentandlayamoresolidfoundationforXXbuildawell-offsociety.Completedtasksthisyear,wemustalwayspayspecialattentiontotheprimarytaskofdevelopment.XXweakeconomicbase,lowlevelsofdevelopment,economicconstructionistheCenter,wehavetocreateconditionsforfastereconomicdevelopment,accumulatingmorewealth,betterpeople"slives.Effortshouldbemadetothisyear"seconomicgrowth,revenuegrowth,peoplehavemaintainedahighrateofincomegrowth,GDPgrowthofmorethan15percentrespectively.Alwaysgraspthefundamentalimpetusforreform.Wearenow"nosoldiersbehind"manyindicatorsrankedinthebottomofthecountyfromgettingbigger.Onlybygoingallouttohardwork,hardwork,innovation,reformdoesnotadapttoinstitutionalmechanisms,practices,itispossibletochangethefaceofXXpoor,intoawell-offsocietytogetherwithpeopleacrossthecountry.Wewanttobreaktheoldpatternsofthinking,methodsandorganizationofwork,bravelyandboldlyinto,makingfulluseofalltheadvantages,comprehensivereforms,tomakeallitsvitalityfordevelopmentimpulse,letfullplaytoallsourcesofwealthcreation.Shouldalwaysstability119 1、模板制安要求:根据钢筋砼结构构件的特点,进行模板及支撑的设计,计算出各种规格的模板及模撑的加工数量,模板制作在现场加工厂进行。模板安装应遵循自下而上的安装方法。模板及支撑应有足够的强度,刚度和稳定性,并不致发生不允许的沉陷及变形,模板的内侧面必须平整,接缝紧密,不得漏浆。模板安装好以后要仔细检查各部件是否牢固,在浇筑砼的过程中要经常检查,如发现变形、松动现象,要及时修整加固。拆除模板时一般应遵循强度控制的规定,拆模应按顺序操作,避免较大的振动及碰伤,保证砼表面完整美观。2、钢筋施工:A、钢筋施工工艺流程提取钢筋出厂合格证→每批样品进行原材料检验→按施工图先后次序翻样加工→班组对号安装→隐蔽工程验收→交捣混凝土→钢筋看护。B、钢筋加工钢筋加工采用机械加工。钢筋用大厂生产的质量有保证的产品,并控制进货渠道。钢筋加工应符合设计要求。施工时应认真编制钢筋加工料单,经复核无误后方可加工。加工前钢筋表面应保持洁净,损伤裂缝、严重锈蚀的钢筋不得使用。两端钢筋螺纹采用包扎保护,避免在运输过程中受损。加工完的钢筋应堆放整齐,防止钢筋外形尺寸的变形、扭曲等。C、钢筋绑扎操作工艺 (1)将基础垫层清扫干净,用石笔和墨斗在上面弹放钢筋位置线。 (2)按钢筋位置线布放基础钢筋。 (3)绑扎钢筋。四周两行钢筋交叉点应每点绑扎牢。中间部分交叉点可相隔交错扎牢,但必须保证受力钢筋不位移。双向主筋的钢筋网,则需交全部钢筋相交点扎牢。相邻绑扎点的钢丝扣成八字开,以免风片歪斜变形。 (4)大底板采用双层钢筋网时,在上层钢筋网下面应设置钢筋撑脚或混凝土撑脚,以保证钢筋位置正确,钢筋撑脚下应垫在下层钢筋网上。 钢筋撑脚的形式和尺寸,attentiontoimprovingthequalityandefficiencyofdevelopmentandpaymoreattentiontosecurityandreformthepeople"slivelihood,morefocusonmaintainingsocialharmonyandstability,andpromotethedevelopmentoftownshipeconomyinabetterandfaster,createanewnormalXXdevelopmentandlayamoresolidfoundationforXXbuildawell-offsociety.Completedtasksthisyear,wemustalwayspayspecialattentiontotheprimarytaskofdevelopment.XXweakeconomicbase,lowlevelsofdevelopment,economicconstructionistheCenter,wehavetocreateconditionsforfastereconomicdevelopment,accumulatingmorewealth,betterpeople"slives.Effortshouldbemadetothisyear"seconomicgrowth,revenuegrowth,peoplehavemaintainedahighrateofincomegrowth,GDPgrowthofmorethan15percentrespectively.Alwaysgraspthefundamentalimpetusforreform.Wearenow"nosoldiersbehind"manyindicatorsrankedinthebottomofthecountyfromgettingbigger.Onlybygoingallouttohardwork,hardwork,innovation,reformdoesnotadapttoinstitutionalmechanisms,practices,itispossibletochangethefaceofXXpoor,intoawell-offsocietytogetherwithpeopleacrossthecountry.Wewanttobreaktheoldpatternsofthinking,methodsandorganizationofwork,bravelyandboldlyinto,makingfulluseofalltheadvantages,comprehensivereforms,tomakeallitsvitalityfordevelopmentimpulse,letfullplaytoallsourcesofwealthcreation.Shouldalwaysstability119 撑脚每隔1m放置1个。其直径选用:当板厚h>500mm时撑脚,钢筋直径为16~28mm。沿短向通长布置,间距以能保证钢筋位置为准。 (5)钢筋的弯钩应朝上,不要倒向一边;双钢筋网的上层钢筋弯钩应朝下。 (6)双向弯曲,其底面短向的钢筋应放在长向钢筋的上面。 (7)基础中纵向受力钢筋的混凝土保护层厚度不应小于40mm。 (8)钢筋的连接: 1)钢筋连接的接头宜设置在受力较小处。接头末端至钢筋弯起点的距离不应小于钢筋直径的10倍; 2)若采用绑扎搭接接头,则接头相纵向受力钢筋的绑扎接头宜相互错开;钢筋绑扎接送连接区段的长度为1.3倍搭接长度(LL);凡搭接接头中点位于该区段的搭接接头均属于同一连接区段;位于同一区段内的受拉钢筋搭接接头面积百分率为25%; 3)当钢筋的直径d>16mm时,不宜采用绑扎接头; 4)纵向受力的钢筋采用机械连接接头或焊接接头时,连接区段的长度为35d(d为纵向受力钢筋的较大值)且不小于50mm。同一连接区段内,纵向受力钢筋的接头面积百分率应符合设计规定,当设计无规定时,应符合下列规定: ①在受拉区不宜大于50%; ②直接承受动力荷载的基础中,不宜采用焊接接头;当采用机械连接接头时,不应大于50%。 (9)基础浇筑完毕后,把基础上预留墙柱插筋扶正理顺,保证插筋位置准确进行上部结构钢筋施工,工艺按规范施工。attentiontoimprovingthequalityandefficiencyofdevelopmentandpaymoreattentiontosecurityandreformthepeople"slivelihood,morefocusonmaintainingsocialharmonyandstability,andpromotethedevelopmentoftownshipeconomyinabetterandfaster,createanewnormalXXdevelopmentandlayamoresolidfoundationforXXbuildawell-offsociety.Completedtasksthisyear,wemustalwayspayspecialattentiontotheprimarytaskofdevelopment.XXweakeconomicbase,lowlevelsofdevelopment,economicconstructionistheCenter,wehavetocreateconditionsforfastereconomicdevelopment,accumulatingmorewealth,betterpeople"slives.Effortshouldbemadetothisyear"seconomicgrowth,revenuegrowth,peoplehavemaintainedahighrateofincomegrowth,GDPgrowthofmorethan15percentrespectively.Alwaysgraspthefundamentalimpetusforreform.Wearenow"nosoldiersbehind"manyindicatorsrankedinthebottomofthecountyfromgettingbigger.Onlybygoingallouttohardwork,hardwork,innovation,reformdoesnotadapttoinstitutionalmechanisms,practices,itispossibletochangethefaceofXXpoor,intoawell-offsocietytogetherwithpeopleacrossthecountry.Wewanttobreaktheoldpatternsofthinking,methodsandorganizationofwork,bravelyandboldlyinto,makingfulluseofalltheadvantages,comprehensivereforms,tomakeallitsvitalityfordevelopmentimpulse,letfullplaytoallsourcesofwealthcreation.Shouldalwaysstability119 3、混凝土施工混凝土的施工程序:水泥、砂石骨料的选用→砼配合比的选用→混凝土的搅拌和运输→混凝土的入仓和浇筑→混凝土的拆模和养护。(1)水泥、砂石骨料的选用:混凝土的砂、石骨料使用前必须进行抽样检查,对所用的砂石骨料必须符合施工砼的施工要求。所用水泥必须符合设计和规范要求,使用前同样按要求进行抽样检查。(2)砼配合比的选用:取所选用的水泥,砂石骨料和外加剂在试验室按设计要求的水灰比,砼强度等级和其他技术指标进行试配,通过试验确定满足设计和规范要求的施工配合比。(3)砼的搅拌和运输:混凝土的制备采用拌合站集中场拌制。为控制砼拌合物的水灰比及坍落度,要保持骨料含水率的稳定,其混凝土各组分称量的偏差应符合规范要求。(4)混凝土的运输,应根据相应的拌合能力或产量,确定混凝土施工浇筑强度和运输距离,采用罐车来回装载运输,确保砼浇筑的连续性。(5)混凝土的振捣:应根据施工要求,用插入式振捣器进行振捣施工,浇筑层允许最大厚度不大于振捣器头长度的1.25倍,振捣时快插慢拔,使混凝土振捣密实,且注意振动棒不可振到模板和预埋件。(6)混凝土的拆模和养护:混凝土拆模:对于一般结构的混凝土为避免不碰掉棱角,在其强度达到75%强度时即可进行拆模。attentiontoimprovingthequalityandefficiencyofdevelopmentandpaymoreattentiontosecurityandreformthepeople"slivelihood,morefocusonmaintainingsocialharmonyandstability,andpromotethedevelopmentoftownshipeconomyinabetterandfaster,createanewnormalXXdevelopmentandlayamoresolidfoundationforXXbuildawell-offsociety.Completedtasksthisyear,wemustalwayspayspecialattentiontotheprimarytaskofdevelopment.XXweakeconomicbase,lowlevelsofdevelopment,economicconstructionistheCenter,wehavetocreateconditionsforfastereconomicdevelopment,accumulatingmorewealth,betterpeople"slives.Effortshouldbemadetothisyear"seconomicgrowth,revenuegrowth,peoplehavemaintainedahighrateofincomegrowth,GDPgrowthofmorethan15percentrespectively.Alwaysgraspthefundamentalimpetusforreform.Wearenow"nosoldiersbehind"manyindicatorsrankedinthebottomofthecountyfromgettingbigger.Onlybygoingallouttohardwork,hardwork,innovation,reformdoesnotadapttoinstitutionalmechanisms,practices,itispossibletochangethefaceofXXpoor,intoawell-offsocietytogetherwithpeopleacrossthecountry.Wewanttobreaktheoldpatternsofthinking,methodsandorganizationofwork,bravelyandboldlyinto,makingfulluseofalltheadvantages,comprehensivereforms,tomakeallitsvitalityfordevelopmentimpulse,letfullplaytoallsourcesofwealthcreation.Shouldalwaysstability119 (7)混凝土的养护:混凝土表面在浇筑完毕后12小时内即可养护,或是视气候条件、温度较高应提前进行养护,给混凝土硬化过程创造一个适宜的外部环境,使混凝土表面水份不再蒸发,利用砼制备所加的水份最大的限度的完成水泥的水化,提高砼强度和耐久性,养护的方法采用湿养护,即进行人工洒水或利用水泵配水车抽水养护,且养护时间不得少于7天。(八)、装饰工程参考人行天桥(九)施工要点及施工注意事项1、U型槽及框架桥(1)在U型槽及框架桥主体结构混凝土浇筑前,全部支架、模板、和钢筋预埋件应按图纸要求进行检查,并清理干净模板内杂物,使之不得有滞水、冰雪、锯末、施工碎屑和其他附着物质。在浇筑时对混凝土表面操作应仔细周到,使砂浆紧贴模板,以使混凝土表面光滑、无水囊、气囊或蜂窝。(2)U型槽及框架桥主体结构采用就地浇筑工艺。可采用两次浇筑,第一次浇筑至底板内壁以上30cm,第二次浇筑剩余部分。(3)为防止砼的收缩产生的裂缝,减少砼内部的温度变化及干燥引起的收缩受到约束而产生的裂缝,施工中应采取温控裂缝措施,即致力于降低砼的升温和减少温差以防止温度裂缝。主体砼施工前,应进行水泥的水化热、水泥和砼的干缩等一系列项目试验。应首选水化热低的水泥,不宜采用早强水泥,在保证砼强度的条件下,控制水泥的用量,掺适量粉煤灰,做60天龄期强度配合比试验,从中选取最佳的配合比及水泥品种。砼入模温度控制在28度以下;采用砼测温仪进行测控,控制大体积砼内外温度不超过25度;加强对砼表面养护,用麻袋覆盖浇水养护不少于28天;延长拆模时间,做好保温工作;底侧板砼浇筑的间隔时间,应控制在5~7天内,以减少相邻砼块的温差和约束力。attentiontoimprovingthequalityandefficiencyofdevelopmentandpaymoreattentiontosecurityandreformthepeople"slivelihood,morefocusonmaintainingsocialharmonyandstability,andpromotethedevelopmentoftownshipeconomyinabetterandfaster,createanewnormalXXdevelopmentandlayamoresolidfoundationforXXbuildawell-offsociety.Completedtasksthisyear,wemustalwayspayspecialattentiontotheprimarytaskofdevelopment.XXweakeconomicbase,lowlevelsofdevelopment,economicconstructionistheCenter,wehavetocreateconditionsforfastereconomicdevelopment,accumulatingmorewealth,betterpeople"slives.Effortshouldbemadetothisyear"seconomicgrowth,revenuegrowth,peoplehavemaintainedahighrateofincomegrowth,GDPgrowthofmorethan15percentrespectively.Alwaysgraspthefundamentalimpetusforreform.Wearenow"nosoldiersbehind"manyindicatorsrankedinthebottomofthecountyfromgettingbigger.Onlybygoingallouttohardwork,hardwork,innovation,reformdoesnotadapttoinstitutionalmechanisms,practices,itispossibletochangethefaceofXXpoor,intoawell-offsocietytogetherwithpeopleacrossthecountry.Wewanttobreaktheoldpatternsofthinking,methodsandorganizationofwork,bravelyandboldlyinto,makingfulluseofalltheadvantages,comprehensivereforms,tomakeallitsvitalityfordevelopmentimpulse,letfullplaytoallsourcesofwealthcreation.Shouldalwaysstability119 (4)U型槽及框架桥主体结构侧墙背后填土应采用砂类土或渗水性土,不得采用含有泥草、腐蚀物或冻土块的土。(5)U型槽及框架桥主体结构侧墙背后填土,应在混凝土达到100%时方可进行,要求分层夯实,主体结构背后和顶部的填土压实度从填方基底或主体结构顶面至路顶面均为95%。(6)框架桥主体结构顶填土50cm内应采用轻型静载压路机压实,50cm以上采用小型的手扶振动夯或手扶振动压路机压实,以达到规定的压实度为准;并须在框架桥主体结构两侧对称进行。(7)为了减少U型槽及框架桥主体结构两侧填土的沉降量,以改善U型槽及框架桥主体结构顶与两侧地面的平顺性,侧墙以外各自7cm的范围内应以砂砾石回填。(8)U型槽及框架桥桩基必须严格清孔,清底后桩端沉渣厚度不得大于5cm,以确保混凝土质量及桩基础承载力。(9)U型槽及框架桥基坑开挖应按设计方案及降排水要求进行,基坑周边严禁超堆荷载,发生异常情况时,应停止挖土,并应立即查清原因和采取措施,方能继续挖土。框架桥与主线路基交界段地基处理,应在地下结构施工完毕后且拆除基坑边坡锚喷防护后,再回填基坑,最后进行粉喷桩施工。2、基坑开挖(1)基坑内井点应同时抽出,使水位差控制在要求范围内。(2)加强水位监测,特别是靠近已有建筑物的深井井点,宜在建筑井,水位差过大时,应立即采取补救措施,如设置回灌井点等。attentiontoimprovingthequalityandefficiencyofdevelopmentandpaymoreattentiontosecurityandreformthepeople"slivelihood,morefocusonmaintainingsocialharmonyandstability,andpromotethedevelopmentoftownshipeconomyinabetterandfaster,createanewnormalXXdevelopmentandlayamoresolidfoundationforXXbuildawell-offsociety.Completedtasksthisyear,wemustalwayspayspecialattentiontotheprimarytaskofdevelopment.XXweakeconomicbase,lowlevelsofdevelopment,economicconstructionistheCenter,wehavetocreateconditionsforfastereconomicdevelopment,accumulatingmorewealth,betterpeople"slives.Effortshouldbemadetothisyear"seconomicgrowth,revenuegrowth,peoplehavemaintainedahighrateofincomegrowth,GDPgrowthofmorethan15percentrespectively.Alwaysgraspthefundamentalimpetusforreform.Wearenow"nosoldiersbehind"manyindicatorsrankedinthebottomofthecountyfromgettingbigger.Onlybygoingallouttohardwork,hardwork,innovation,reformdoesnotadapttoinstitutionalmechanisms,practices,itispossibletochangethefaceofXXpoor,intoawell-offsocietytogetherwithpeopleacrossthecountry.Wewanttobreaktheoldpatternsofthinking,methodsandorganizationofwork,bravelyandboldlyinto,makingfulluseofalltheadvantages,comprehensivereforms,tomakeallitsvitalityfordevelopmentimpulse,letfullplaytoallsourcesofwealthcreation.Shouldalwaysstability119 (3)防止排出的地下水回渗入基坑。(4)潜水泵泵在运行时要注意检查电缆线是否和井壁相碰,以防磨损后水浸电缆芯。(5)井管使用完毕拔出。(6)管井使用时,应经试抽水,检查出水情况是否正常,有无淤塞现象。3、其他(1)在桥梁基础施工前,应探明交叉管线准确位置,不能盲目开挖而对地下管线造成破坏,若发现有干犹时,应及时会同有关部门协商解决。(2)桥面铺装混凝土未达到设计强度90%时,不容许车辆在路面上行驶。(3)钻孔桩成孔后必须测量孔径、孔位,检查桩底高程、桩底持力层土质,只有确认满足设计要求后,才能灌注混凝土。各项规定和允许偏差如下:轴线偏差:单桩为50cm倾斜度:小于1/100桩长:应结合实际地面标高控制桩长,不小于设计长度。(4)为了确保桩基质量,建议采用超声波检测,预埋超声波检测管。(5)施工中注意环境保护。(6)施工过程中须加强各部门之间的协调管理,及时解决施工中出现的问题,保证顺利施工。(7)其他未尽事宜,应严格按照设计图纸及有关现行标准、规范执行。第四章保证施工质量、材料质量、施工工期的主要措施attentiontoimprovingthequalityandefficiencyofdevelopmentandpaymoreattentiontosecurityandreformthepeople"slivelihood,morefocusonmaintainingsocialharmonyandstability,andpromotethedevelopmentoftownshipeconomyinabetterandfaster,createanewnormalXXdevelopmentandlayamoresolidfoundationforXXbuildawell-offsociety.Completedtasksthisyear,wemustalwayspayspecialattentiontotheprimarytaskofdevelopment.XXweakeconomicbase,lowlevelsofdevelopment,economicconstructionistheCenter,wehavetocreateconditionsforfastereconomicdevelopment,accumulatingmorewealth,betterpeople"slives.Effortshouldbemadetothisyear"seconomicgrowth,revenuegrowth,peoplehavemaintainedahighrateofincomegrowth,GDPgrowthofmorethan15percentrespectively.Alwaysgraspthefundamentalimpetusforreform.Wearenow"nosoldiersbehind"manyindicatorsrankedinthebottomofthecountyfromgettingbigger.Onlybygoingallouttohardwork,hardwork,innovation,reformdoesnotadapttoinstitutionalmechanisms,practices,itispossibletochangethefaceofXXpoor,intoawell-offsocietytogetherwithpeopleacrossthecountry.Wewanttobreaktheoldpatternsofthinking,methodsandorganizationofwork,bravelyandboldlyinto,makingfulluseofalltheadvantages,comprehensivereforms,tomakeallitsvitalityfordevelopmentimpulse,letfullplaytoallsourcesofwealthcreation.Shouldalwaysstability119 第一节保证施工质量、材料质量的主要措施一、质量保证体系工程质量管理目标:合格。项目经理部设立质量监督部,配备质检工程师,负责施工管段的质量管理,制定详细的奖惩实施办法,组织分部工程的质量验标评定,每周不少于一次大检查。作业队设质量员,配备质量检查人员1人,负责其施工管段的日常质量管理、质量措施的落实和督促,组织分项工程质量验标评定,随时对工程质量进行抽查。分项工程完毕后,由质检员组织所在班组按《验标》进行逐项检查并填写《分项工程验收评定表》,报监理工程师批准同意后,进行下一个分项工程的施工。隐蔽工程经质检工程师自检合格后按规定报告监理工程师,进行现场检查,检查合格经监理工程师签认后才能进行下道工序的施工。项目部质检工程师陪同参加检查。工程质量检查组织机构框图如下:项目经理技术负责人工程技术部质监部机械材料部试验组各施工队长各队技术负责人各专业施工班组attentiontoimprovingthequalityandefficiencyofdevelopmentandpaymoreattentiontosecurityandreformthepeople"slivelihood,morefocusonmaintainingsocialharmonyandstability,andpromotethedevelopmentoftownshipeconomyinabetterandfaster,createanewnormalXXdevelopmentandlayamoresolidfoundationforXXbuildawell-offsociety.Completedtasksthisyear,wemustalwayspayspecialattentiontotheprimarytaskofdevelopment.XXweakeconomicbase,lowlevelsofdevelopment,economicconstructionistheCenter,wehavetocreateconditionsforfastereconomicdevelopment,accumulatingmorewealth,betterpeople"slives.Effortshouldbemadetothisyear"seconomicgrowth,revenuegrowth,peoplehavemaintainedahighrateofincomegrowth,GDPgrowthofmorethan15percentrespectively.Alwaysgraspthefundamentalimpetusforreform.Wearenow"nosoldiersbehind"manyindicatorsrankedinthebottomofthecountyfromgettingbigger.Onlybygoingallouttohardwork,hardwork,innovation,reformdoesnotadapttoinstitutionalmechanisms,practices,itispossibletochangethefaceofXXpoor,intoawell-offsocietytogetherwithpeopleacrossthecountry.Wewanttobreaktheoldpatternsofthinking,methodsandorganizationofwork,bravelyandboldlyinto,makingfulluseofalltheadvantages,comprehensivereforms,tomakeallitsvitalityfordevelopmentimpulse,letfullplaytoallsourcesofwealthcreation.Shouldalwaysstability119 二、质量管理组织机构建立、健全质量保证体系。建立由监理验收、项目经理部检查、施工队和班组自检的三级质量保证体系。项目经理部设置由专业技术人员组成的质量监督部,其负责人直接对公司经理负责。各施工队设置质量检查组,生产组设质检员,具体负责日常的质量检查工作。三、建立完善的质量检查组织机构成立以项目经理为组长、技术负责人为副组长的全面质量领导小组,设立专门的自检机构——质检组,配备专职质检工程师,控制工程总体质量。各施工队(组)由队(组)长和技术负责人任正、副组长,配备专职的技术人员,成立质量自检小组,把好质量自检关。四、建立严格的质量检查程序attentiontoimprovingthequalityandefficiencyofdevelopmentandpaymoreattentiontosecurityandreformthepeople"slivelihood,morefocusonmaintainingsocialharmonyandstability,andpromotethedevelopmentoftownshipeconomyinabetterandfaster,createanewnormalXXdevelopmentandlayamoresolidfoundationforXXbuildawell-offsociety.Completedtasksthisyear,wemustalwayspayspecialattentiontotheprimarytaskofdevelopment.XXweakeconomicbase,lowlevelsofdevelopment,economicconstructionistheCenter,wehavetocreateconditionsforfastereconomicdevelopment,accumulatingmorewealth,betterpeople"slives.Effortshouldbemadetothisyear"seconomicgrowth,revenuegrowth,peoplehavemaintainedahighrateofincomegrowth,GDPgrowthofmorethan15percentrespectively.Alwaysgraspthefundamentalimpetusforreform.Wearenow"nosoldiersbehind"manyindicatorsrankedinthebottomofthecountyfromgettingbigger.Onlybygoingallouttohardwork,hardwork,innovation,reformdoesnotadapttoinstitutionalmechanisms,practices,itispossibletochangethefaceofXXpoor,intoawell-offsocietytogetherwithpeopleacrossthecountry.Wewanttobreaktheoldpatternsofthinking,methodsandorganizationofwork,bravelyandboldlyinto,makingfulluseofalltheadvantages,comprehensivereforms,tomakeallitsvitalityfordevelopmentimpulse,letfullplaytoallsourcesofwealthcreation.Shouldalwaysstability119 作业班组在每一道工序过程及完成后,由施工队(组)的质量自检小组按设计图纸和技术规范要求进行自检,合格后报项目经理部的质量检小组进行复检。项目经理部质检小组确认自检组的检查有效并符合签字手续后进行复检。经质检组复检合格,质检工程师签字后将检查表格报送监理工程师,请监理工程师进行检查。检查程序框图:单项工程完工后,中间交验程序如下:工序全过程现场自检组自检填报质量检验表质检组复检报监理工程师下一道工序合格合格合格合格合格不合格不合格返工单项工程完成自检组自检不合格质检组复检填报中间交工证书报监理工程师计量支付合格合格合格合格合格不合格不合格返工五、工程质量管理主要措施attentiontoimprovingthequalityandefficiencyofdevelopmentandpaymoreattentiontosecurityandreformthepeople"slivelihood,morefocusonmaintainingsocialharmonyandstability,andpromotethedevelopmentoftownshipeconomyinabetterandfaster,createanewnormalXXdevelopmentandlayamoresolidfoundationforXXbuildawell-offsociety.Completedtasksthisyear,wemustalwayspayspecialattentiontotheprimarytaskofdevelopment.XXweakeconomicbase,lowlevelsofdevelopment,economicconstructionistheCenter,wehavetocreateconditionsforfastereconomicdevelopment,accumulatingmorewealth,betterpeople"slives.Effortshouldbemadetothisyear"seconomicgrowth,revenuegrowth,peoplehavemaintainedahighrateofincomegrowth,GDPgrowthofmorethan15percentrespectively.Alwaysgraspthefundamentalimpetusforreform.Wearenow"nosoldiersbehind"manyindicatorsrankedinthebottomofthecountyfromgettingbigger.Onlybygoingallouttohardwork,hardwork,innovation,reformdoesnotadapttoinstitutionalmechanisms,practices,itispossibletochangethefaceofXXpoor,intoawell-offsocietytogetherwithpeopleacrossthecountry.Wewanttobreaktheoldpatternsofthinking,methodsandorganizationofwork,bravelyandboldlyinto,makingfulluseofalltheadvantages,comprehensivereforms,tomakeallitsvitalityfordevelopmentimpulse,letfullplaytoallsourcesofwealthcreation.Shouldalwaysstability119 1、推行全面质量管理,进行全员质量意识教育,提高全员质量意识,建立质量保证体系,开展质量前期控制,健全检测制度,形成检测网络,使全体施工人员养成严格执行各项质量检测制度的自觉性。对每道工序、每个部件进行自检,并送检测部门检测合格报监理工程师检测认可后方准进行下道工序的施工,确保工程质量。2、认真落实工程技术人员的岗位职责,做到分工明确,各负其责,认真做好本职工作,积极配合。在质量问题上,层层把关,处理绝不手软,不允许技术人员存在“大概差不多”的思想,要用数据讲话,实事求是。在工程技术人员中树立“百年大计,质量第一”的好风气,从而保证整个工程施工优质、高效、低耗。3、组织施工员、技术员、质检人员进行全面质量管理教育。认真熟悉图纸、资料和有关技术规范,严格按图纸及规范施工。4、在每项工程施工前,技术主管和质检人员要对技术人员、施工员等进行全面的技术交底,交待本工程各项目的特点、工艺、技术质量的难点、要点和具体要求,切实抓好典型和重点、难点工程。5、推行全面质量管理,加强施工队伍的质量教育,提高整个施工队伍的质量意识,使每个施工员及管理人员都明白自己的岗位职责及要求达到的质量标准。使用先进的技术及施工工艺,以求取得高效优质的工程。做好施工现场自检、监督机构以及试验室检测工作。对各个分项工程在开工前必须经试验室进行各种原材料的试验、配合比的试验,以试验指导施工。在施工全过程中,严格按照施工技术规范及验收标准的各项要求进行施工。6、从原材料上保证,认真选用各种原材料。对水泥、钢材、砂、土、石料等进入施工现场以前,应由试验室进行严格的原材料质量检测,凡不合格的材料一律禁止进场。attentiontoimprovingthequalityandefficiencyofdevelopmentandpaymoreattentiontosecurityandreformthepeople"slivelihood,morefocusonmaintainingsocialharmonyandstability,andpromotethedevelopmentoftownshipeconomyinabetterandfaster,createanewnormalXXdevelopmentandlayamoresolidfoundationforXXbuildawell-offsociety.Completedtasksthisyear,wemustalwayspayspecialattentiontotheprimarytaskofdevelopment.XXweakeconomicbase,lowlevelsofdevelopment,economicconstructionistheCenter,wehavetocreateconditionsforfastereconomicdevelopment,accumulatingmorewealth,betterpeople"slives.Effortshouldbemadetothisyear"seconomicgrowth,revenuegrowth,peoplehavemaintainedahighrateofincomegrowth,GDPgrowthofmorethan15percentrespectively.Alwaysgraspthefundamentalimpetusforreform.Wearenow"nosoldiersbehind"manyindicatorsrankedinthebottomofthecountyfromgettingbigger.Onlybygoingallouttohardwork,hardwork,innovation,reformdoesnotadapttoinstitutionalmechanisms,practices,itispossibletochangethefaceofXXpoor,intoawell-offsocietytogetherwithpeopleacrossthecountry.Wewanttobreaktheoldpatternsofthinking,methodsandorganizationofwork,bravelyandboldlyinto,makingfulluseofalltheadvantages,comprehensivereforms,tomakeallitsvitalityfordevelopmentimpulse,letfullplaytoallsourcesofwealthcreation.Shouldalwaysstability119 7、从施工精度上保证:对线型、坐标、高程的控制,一定要精益求精,测量放样做到“有测必复,有复必符”。避免返工误工或不可挽回的损失。8、从内部验收上保证:严格把好各分项、分部工程各工序交接的质量检测、验收关。并严格按质量、监理签证程序,凡不符合质量要求的工程、工序或施工项目,必须坚决返工,直到符合技术标准要求为止。9、对于工程施工中出现的技术问题,现场施工负责人应组织有关人员研究,及时与项目经理部、监理公司、设计单位取得联系和认真听取各单位的意见,更详细领会设计意图及对工程的质量要求,诚恳地接受监督、检查、指导、提高工程质量。10、从人员素质上保证:对施工流程不熟悉,工艺不清楚的个别人员加以强化训练,届时不能达到要求者,坚决予以撤换。对责任心不强的技术人员,施工人员也坚决予以撤换,以保证工程质量。11、从组织机构上保证:建立、健全质量保证体系。12、从制度上保证:由本项目总工程师组织各专业技术人员,按照技术规范要求,完善各工序各专业的各种规范和条例,加强对各岗位人员专业技能和质量意识的教育、培训。13、从检测、试验设备上保证:建立一整套完整的检测、试验程序,加强与各专业实验室的联系,委托负责全工程材料的检测和各个项目的试验,用指导施工和对各施工班组的产品作检测校正,保证工程材料和各工序符合技术规范。attentiontoimprovingthequalityandefficiencyofdevelopmentandpaymoreattentiontosecurityandreformthepeople"slivelihood,morefocusonmaintainingsocialharmonyandstability,andpromotethedevelopmentoftownshipeconomyinabetterandfaster,createanewnormalXXdevelopmentandlayamoresolidfoundationforXXbuildawell-offsociety.Completedtasksthisyear,wemustalwayspayspecialattentiontotheprimarytaskofdevelopment.XXweakeconomicbase,lowlevelsofdevelopment,economicconstructionistheCenter,wehavetocreateconditionsforfastereconomicdevelopment,accumulatingmorewealth,betterpeople"slives.Effortshouldbemadetothisyear"seconomicgrowth,revenuegrowth,peoplehavemaintainedahighrateofincomegrowth,GDPgrowthofmorethan15percentrespectively.Alwaysgraspthefundamentalimpetusforreform.Wearenow"nosoldiersbehind"manyindicatorsrankedinthebottomofthecountyfromgettingbigger.Onlybygoingallouttohardwork,hardwork,innovation,reformdoesnotadapttoinstitutionalmechanisms,practices,itispossibletochangethefaceofXXpoor,intoawell-offsocietytogetherwithpeopleacrossthecountry.Wewanttobreaktheoldpatternsofthinking,methodsandorganizationofwork,bravelyandboldlyinto,makingfulluseofalltheadvantages,comprehensivereforms,tomakeallitsvitalityfordevelopmentimpulse,letfullplaytoallsourcesofwealthcreation.Shouldalwaysstability119 14、建立一套公正的奖惩制度:对违反操作规程,影响工程质量的除坚决制止、返工补救外,并给当事人以一定处罚;严格按照操作规程进行施工,对工艺要求精益求精的、发挥出高技术水准的、工程质量优良的、保安全、创效益的有功人员给予奖励。质检主管人员有责有权,保证其贯彻实施。15、各分项工程,做到严格把关,确保工程质量。各结构附件要准确地设置临时水准点,路线交点位置应按设计资料设置控制桩,做好施工放样工作。砼应以设计标号试验好的配合比资料,严格控制水灰比、砂、石用量及其含泥量,保证砼的和易性,增加振捣的密实度,确保砼强度达到设计要求。六、质量保证实施细节部位措施1、建立专人值班制度:在工程施工过程中,配备6名(共3个工段)专业技术人员值班,如遇问题,及时处理;如不能处理,则由该值班人员及时通知项目经理、总工程师、专业工程师或其他相关人员赶赴现场,及时、恰当处理。2、工地试验管理本项目所有检测试验委托具有资质的检测试验室进行试验,项目配备取得资质证书的取样员,按分部分项结构部位要求,按规定的检验检测标准取样检测、送检。3、加强材料试验检测工作(1)、材料进场前的检测:各种原材料进场(水泥、钢筋等),必须有出厂的合格证,同时备有自检报告。每种材料按规范规定的批量进行检测,达到规范规定的质量标准才准进场,不合格的材料及时清除场外,并且各种材料堆放要整齐,按标准挂牌,写规格、产地、批量、用途,并妥善保存。(2)、材料进场后的检测:attentiontoimprovingthequalityandefficiencyofdevelopmentandpaymoreattentiontosecurityandreformthepeople"slivelihood,morefocusonmaintainingsocialharmonyandstability,andpromotethedevelopmentoftownshipeconomyinabetterandfaster,createanewnormalXXdevelopmentandlayamoresolidfoundationforXXbuildawell-offsociety.Completedtasksthisyear,wemustalwayspayspecialattentiontotheprimarytaskofdevelopment.XXweakeconomicbase,lowlevelsofdevelopment,economicconstructionistheCenter,wehavetocreateconditionsforfastereconomicdevelopment,accumulatingmorewealth,betterpeople"slives.Effortshouldbemadetothisyear"seconomicgrowth,revenuegrowth,peoplehavemaintainedahighrateofincomegrowth,GDPgrowthofmorethan15percentrespectively.Alwaysgraspthefundamentalimpetusforreform.Wearenow"nosoldiersbehind"manyindicatorsrankedinthebottomofthecountyfromgettingbigger.Onlybygoingallouttohardwork,hardwork,innovation,reformdoesnotadapttoinstitutionalmechanisms,practices,itispossibletochangethefaceofXXpoor,intoawell-offsocietytogetherwithpeopleacrossthecountry.Wewanttobreaktheoldpatternsofthinking,methodsandorganizationofwork,bravelyandboldlyinto,makingfulluseofalltheadvantages,comprehensivereforms,tomakeallitsvitalityfordevelopmentimpulse,letfullplaytoallsourcesofwealthcreation.Shouldalwaysstability119 试验室根据规范规定的批量进行检测、试验。如水泥:同厂家、同质量、同编号、同生产日期,按每200T为一批(不足200T为一批对待)验收;钢材:同品种、同等级、同一截面尺寸、同厂家,每60T为一批(不足60T按一批对待)验收;碎石:同料源、同级配50m3为一批验收;砂:同料源、同开采单位,每200m3为一批验收,另外还有外加剂及其它都须经试验合格后才能使用。加强材料半成品与成品的试验,不合格的半成品、成品,坚决返工重做。(3)、加强路基压实度检测填方所用的土源要请监理工程师一同取样,确定要求的密实度,根据《公路工程土工试验规程》进行标准击实试验。根据工程需要选择重型或轻型击实,求出最佳含水量和最大干密度,以及液限与塑限指标等用以指导填方压实度检查。填方要按规定的厚度分层碾压,碾压采用重型设备,每一层经过压实度等检查合格并经监理签认后,才能转入下一道工序。试验室根据工程需要设计合理的各种标号配合比,熟练掌握混凝土试件及养生方法,以及模型尺寸,所用的材料应符合技术要求,每种配合比至少制作三组,标养28天以便推算3天、7天强度,以取得质量的原始证。试验室按规范规定的检测频率与方法,对每一道工序的质量进行检测,并认真做好原始记录的填写、计算、复核、分析和归档。检测项目所出具的试验报告及提供的数据应准确可靠、负责,且必须有实验检测、复核人员的签名,并加盖试验检测专用章。4、季节性施工安排attentiontoimprovingthequalityandefficiencyofdevelopmentandpaymoreattentiontosecurityandreformthepeople"slivelihood,morefocusonmaintainingsocialharmonyandstability,andpromotethedevelopmentoftownshipeconomyinabetterandfaster,createanewnormalXXdevelopmentandlayamoresolidfoundationforXXbuildawell-offsociety.Completedtasksthisyear,wemustalwayspayspecialattentiontotheprimarytaskofdevelopment.XXweakeconomicbase,lowlevelsofdevelopment,economicconstructionistheCenter,wehavetocreateconditionsforfastereconomicdevelopment,accumulatingmorewealth,betterpeople"slives.Effortshouldbemadetothisyear"seconomicgrowth,revenuegrowth,peoplehavemaintainedahighrateofincomegrowth,GDPgrowthofmorethan15percentrespectively.Alwaysgraspthefundamentalimpetusforreform.Wearenow"nosoldiersbehind"manyindicatorsrankedinthebottomofthecountyfromgettingbigger.Onlybygoingallouttohardwork,hardwork,innovation,reformdoesnotadapttoinstitutionalmechanisms,practices,itispossibletochangethefaceofXXpoor,intoawell-offsocietytogetherwithpeopleacrossthecountry.Wewanttobreaktheoldpatternsofthinking,methodsandorganizationofwork,bravelyandboldlyinto,makingfulluseofalltheadvantages,comprehensivereforms,tomakeallitsvitalityfordevelopmentimpulse,letfullplaytoallsourcesofwealthcreation.Shouldalwaysstability119 雨季施工措施由于大雨、暴雨、大暴雨或连续阴雨天气均对本工程有一定的影响。因此,必须加强与气象部门的联系,注意听取当地的天气预报,在掌握了可靠的天气情况下,安排结构物混凝土的浇筑时间,确保混凝土的施工质量。认真做好防汛工作,及时与当地水利部门取得联系,采取必要的防汛措施。在工程施工场地范围内,包括施工区、生活区设置排水沟和集水沟,配置一定数量的水泵,及时排除地面积水,确保以后正常施工。对工程材料特别是水泥、钢材,水泥仓库必须干燥,地面应高于库外地面40cm以上,并有隔潮措施,按规定时间翻仓,防止堆放时间过长而结块。钢材等应加盖防雨布,并高出地面30cm以上。对电器设施等做好防雨措施,防止触电事故第二节保证施工工期主要措施一、确保工期的组织措施工期目标:10个月。我公司将本着“快进场、有秩序、早开工”的原则,保证资金、设备、人员投入,快速作好施工便道、生活区、生产区布置,为施工作好充分准备。组建“精干、高效、权威”的项目经理部,并按时到位,委派富有工程施工经验和组织管理能力较强的同志任项目经理,配备专业齐全、业务熟悉、责任心强的同志组成管理层,负责项目的实施指挥和组织工作,为保证工期提供组织保证。二、确保工期的技术措施attentiontoimprovingthequalityandefficiencyofdevelopmentandpaymoreattentiontosecurityandreformthepeople"slivelihood,morefocusonmaintainingsocialharmonyandstability,andpromotethedevelopmentoftownshipeconomyinabetterandfaster,createanewnormalXXdevelopmentandlayamoresolidfoundationforXXbuildawell-offsociety.Completedtasksthisyear,wemustalwayspayspecialattentiontotheprimarytaskofdevelopment.XXweakeconomicbase,lowlevelsofdevelopment,economicconstructionistheCenter,wehavetocreateconditionsforfastereconomicdevelopment,accumulatingmorewealth,betterpeople"slives.Effortshouldbemadetothisyear"seconomicgrowth,revenuegrowth,peoplehavemaintainedahighrateofincomegrowth,GDPgrowthofmorethan15percentrespectively.Alwaysgraspthefundamentalimpetusforreform.Wearenow"nosoldiersbehind"manyindicatorsrankedinthebottomofthecountyfromgettingbigger.Onlybygoingallouttohardwork,hardwork,innovation,reformdoesnotadapttoinstitutionalmechanisms,practices,itispossibletochangethefaceofXXpoor,intoawell-offsocietytogetherwithpeopleacrossthecountry.Wewanttobreaktheoldpatternsofthinking,methodsandorganizationofwork,bravelyandboldlyinto,makingfulluseofalltheadvantages,comprehensivereforms,tomakeallitsvitalityfordevelopmentimpulse,letfullplaytoallsourcesofwealthcreation.Shouldalwaysstability119 进一步深入进行工程调查,认真编制各分部分项施工组织设计,使施组科学、先进、可操作性强,在施工中,实施施工组织的动态管理,对施工过程进行全面的监控,确保施工生产计划、有步骤、有秩序地均衡推进。严格按照监理工程师批准的施工组织设计安排施工,项目经理部编制年、季、月施工计划,队编制周计划,并按周检查计划执行情况,经理部每半月召开一次施工进度分析会,每月召开一次施工计划会。施工全过程按网络计划管理,确保分项工程工序按计划进行,若有滞后,立即采取果断措施予以弥补。全部实行与进度计划挂钩的工资制度,使全体员工的切身利益与工期密切联系,从而激发员工确保工期的积极性。开展以工期、质量、安全为主要考核指标的劳动竞赛,每月评比一次。精神与物质奖励相结合,以表彰先进,鞭策后进。配备与施工进度要求相适应,状态良好的施工机械设备和周转料具,储备足够的零配件,配备相应数量的维修人员,加强机械设备的维修保养,提高机械的完好率和使用率,保证足够的生产能力,保证施工生产的连续进行。根据施工计划的要求,编制逐月物资采购计划,抓好材料的采购、储备和供应,保证施工生产有充实的物资保证,防止发生停工待料。合理安排旱季、雨季和冬季的施工项目和工序,最大限度的减少因气候引起的停工损失,并加强雨季运输便道的维修与养护工作。attentiontoimprovingthequalityandefficiencyofdevelopmentandpaymoreattentiontosecurityandreformthepeople"slivelihood,morefocusonmaintainingsocialharmonyandstability,andpromotethedevelopmentoftownshipeconomyinabetterandfaster,createanewnormalXXdevelopmentandlayamoresolidfoundationforXXbuildawell-offsociety.Completedtasksthisyear,wemustalwayspayspecialattentiontotheprimarytaskofdevelopment.XXweakeconomicbase,lowlevelsofdevelopment,economicconstructionistheCenter,wehavetocreateconditionsforfastereconomicdevelopment,accumulatingmorewealth,betterpeople"slives.Effortshouldbemadetothisyear"seconomicgrowth,revenuegrowth,peoplehavemaintainedahighrateofincomegrowth,GDPgrowthofmorethan15percentrespectively.Alwaysgraspthefundamentalimpetusforreform.Wearenow"nosoldiersbehind"manyindicatorsrankedinthebottomofthecountyfromgettingbigger.Onlybygoingallouttohardwork,hardwork,innovation,reformdoesnotadapttoinstitutionalmechanisms,practices,itispossibletochangethefaceofXXpoor,intoawell-offsocietytogetherwithpeopleacrossthecountry.Wewanttobreaktheoldpatternsofthinking,methodsandorganizationofwork,bravelyandboldlyinto,makingfulluseofalltheadvantages,comprehensivereforms,tomakeallitsvitalityfordevelopmentimpulse,letfullplaytoallsourcesofwealthcreation.Shouldalwaysstability119 搞好与当地政府及群众的关系,尊重地方民俗风情,主动接受工程所在地政府的领导,加强与政府部门的联系,融洽当地群众关系,争取他们的支持,创造良好的外部环境,使工程顺利进行。三、强化进度管理措施1、强化进度计划的管理1.1根据本工程的工期要求及以往工程的施工经验,组织充足的精干人员,精良的设备投入本工程项目。1.2制订周密详细的施工进度计划,抓住关键工序,对影响到总工期上午工序和作业环节给予人力和物力的充分保证,确保总进度计划的顺利完成。1.3在工程开工前,严格按照《工程施工承包合同》的总工期要求,提出工程施工总进度计划,并对其是否科学、合理、能否满足合同规定的工期要求等问题,进行认真审查。1.4定期召开生产调度会议,作业队每周安排一次生产会议及一次生产协调会;项目部每半月召开一次主要班组、部门负责人参加的生产会,协调解决施工生产中出现的问题,布置下两周的生产任务。1.5对生产要素认真进行优化组合,动态管理。机动灵活地对人员、设备、物质进行调度安排,及时组织施工所需的人员、物质进场,保障后勤供应,满足施工需要。保证施工连续作业顺利完成施工任务。1.6缩短进场后的筹备工作,筹备工作在进场前能完成的进场前完成,进场后边筹备,边施工。全线施工,在保证关键项目进度的前提下,多头并进。1.7工程在总进度计划的控制下,施工过程中坚持逐月(周)编制出具体的工程施工计划和工作安排。attentiontoimprovingthequalityandefficiencyofdevelopmentandpaymoreattentiontosecurityandreformthepeople"slivelihood,morefocusonmaintainingsocialharmonyandstability,andpromotethedevelopmentoftownshipeconomyinabetterandfaster,createanewnormalXXdevelopmentandlayamoresolidfoundationforXXbuildawell-offsociety.Completedtasksthisyear,wemustalwayspayspecialattentiontotheprimarytaskofdevelopment.XXweakeconomicbase,lowlevelsofdevelopment,economicconstructionistheCenter,wehavetocreateconditionsforfastereconomicdevelopment,accumulatingmorewealth,betterpeople"slives.Effortshouldbemadetothisyear"seconomicgrowth,revenuegrowth,peoplehavemaintainedahighrateofincomegrowth,GDPgrowthofmorethan15percentrespectively.Alwaysgraspthefundamentalimpetusforreform.Wearenow"nosoldiersbehind"manyindicatorsrankedinthebottomofthecountyfromgettingbigger.Onlybygoingallouttohardwork,hardwork,innovation,reformdoesnotadapttoinstitutionalmechanisms,practices,itispossibletochangethefaceofXXpoor,intoawell-offsocietytogetherwithpeopleacrossthecountry.Wewanttobreaktheoldpatternsofthinking,methodsandorganizationofwork,bravelyandboldlyinto,makingfulluseofalltheadvantages,comprehensivereforms,tomakeallitsvitalityfordevelopmentimpulse,letfullplaytoallsourcesofwealthcreation.Shouldalwaysstability119 1.8工程计划执行过程中,如发现未能够按期完成的工程计划,必须及时检查分析原因,立即调整计划和采取补救的措施,以保证工程施工总进度的实现。1.9采用新技术、新工艺、尽量压缩工序时间,安排好工序衔接,统一调度指挥,平衡近期所发生、远期可能发生的各类矛盾,并提出纠偏及预防措施,使工程按部就班、有节奏地进行,有必要时安排其它临时措施(如三班倒等)以确保工期。2、严格施工进度控制2.1建立工程施工日记制,逐日详细记录工程进度、质量、设计变更修改等问题,以及施工过程中必须记录地有关问题。2.2坚持每周定期召开由施工总负责人主持,各专业工程施工负责人参加的施工协调会议,听取有关工程施工进度的汇报,协调工程施工内、外部的关系,解决工程施工内部矛盾,对其中有关施工进度问题,提出明确的调整意见。2.3各级领导必须“干一观二计划三”,提前为下道工序的施工做好人力、物力和机械设备的准备,确保工程一环扣一环的实施。对于影响工程施工总进度的关键项目、关键工序,主要领导和有关管理人员必须跟班作业,必要时组织有效力量,加班加点突破难点,以确保工程总进度计划的实现。2.4建立施工进度与调整系统2.4.1工程施工进度监测系统(框图)attentiontoimprovingthequalityandefficiencyofdevelopmentandpaymoreattentiontosecurityandreformthepeople"slivelihood,morefocusonmaintainingsocialharmonyandstability,andpromotethedevelopmentoftownshipeconomyinabetterandfaster,createanewnormalXXdevelopmentandlayamoresolidfoundationforXXbuildawell-offsociety.Completedtasksthisyear,wemustalwayspayspecialattentiontotheprimarytaskofdevelopment.XXweakeconomicbase,lowlevelsofdevelopment,economicconstructionistheCenter,wehavetocreateconditionsforfastereconomicdevelopment,accumulatingmorewealth,betterpeople"slives.Effortshouldbemadetothisyear"seconomicgrowth,revenuegrowth,peoplehavemaintainedahighrateofincomegrowth,GDPgrowthofmorethan15percentrespectively.Alwaysgraspthefundamentalimpetusforreform.Wearenow"nosoldiersbehind"manyindicatorsrankedinthebottomofthecountyfromgettingbigger.Onlybygoingallouttohardwork,hardwork,innovation,reformdoesnotadapttoinstitutionalmechanisms,practices,itispossibletochangethefaceofXXpoor,intoawell-offsocietytogetherwithpeopleacrossthecountry.Wewanttobreaktheoldpatternsofthinking,methodsandorganizationofwork,bravelyandboldlyinto,makingfulluseofalltheadvantages,comprehensivereforms,tomakeallitsvitalityfordevelopmentimpulse,letfullplaytoallsourcesofwealthcreation.Shouldalwaysstability119 工程施工进度实施过程建立进度数据采集系统收集实际施工进度数据数据的整理系统和分析实际进度和计划进度的比较检查是否出现进度偏差进入施工进度调整系统attentiontoimprovingthequalityandefficiencyofdevelopmentandpaymoreattentiontosecurityandreformthepeople"slivelihood,morefocusonmaintainingsocialharmonyandstability,andpromotethedevelopmentoftownshipeconomyinabetterandfaster,createanewnormalXXdevelopmentandlayamoresolidfoundationforXXbuildawell-offsociety.Completedtasksthisyear,wemustalwayspayspecialattentiontotheprimarytaskofdevelopment.XXweakeconomicbase,lowlevelsofdevelopment,economicconstructionistheCenter,wehavetocreateconditionsforfastereconomicdevelopment,accumulatingmorewealth,betterpeople"slives.Effortshouldbemadetothisyear"seconomicgrowth,revenuegrowth,peoplehavemaintainedahighrateofincomegrowth,GDPgrowthofmorethan15percentrespectively.Alwaysgraspthefundamentalimpetusforreform.Wearenow"nosoldiersbehind"manyindicatorsrankedinthebottomofthecountyfromgettingbigger.Onlybygoingallouttohardwork,hardwork,innovation,reformdoesnotadapttoinstitutionalmechanisms,practices,itispossibletochangethefaceofXXpoor,intoawell-offsocietytogetherwithpeopleacrossthecountry.Wewanttobreaktheoldpatternsofthinking,methodsandorganizationofwork,bravelyandboldlyinto,makingfulluseofalltheadvantages,comprehensivereforms,tomakeallitsvitalityfordevelopmentimpulse,letfullplaytoallsourcesofwealthcreation.Shouldalwaysstability119 2.4.2工程施工进度调整系统(框图)工程施工进度出现偏差分析生产进度平差原因分析该进度的偏差对后续工序所产生的影响确定影响后续工作的限制条件采取施工进度调整措施形成经调整的施工进度计划采取相应的技术经济和组织措施实施调整后的施工进度的计划工程施工进度监测系统attentiontoimprovingthequalityandefficiencyofdevelopmentandpaymoreattentiontosecurityandreformthepeople"slivelihood,morefocusonmaintainingsocialharmonyandstability,andpromotethedevelopmentoftownshipeconomyinabetterandfaster,createanewnormalXXdevelopmentandlayamoresolidfoundationforXXbuildawell-offsociety.Completedtasksthisyear,wemustalwayspayspecialattentiontotheprimarytaskofdevelopment.XXweakeconomicbase,lowlevelsofdevelopment,economicconstructionistheCenter,wehavetocreateconditionsforfastereconomicdevelopment,accumulatingmorewealth,betterpeople"slives.Effortshouldbemadetothisyear"seconomicgrowth,revenuegrowth,peoplehavemaintainedahighrateofincomegrowth,GDPgrowthofmorethan15percentrespectively.Alwaysgraspthefundamentalimpetusforreform.Wearenow"nosoldiersbehind"manyindicatorsrankedinthebottomofthecountyfromgettingbigger.Onlybygoingallouttohardwork,hardwork,innovation,reformdoesnotadapttoinstitutionalmechanisms,practices,itispossibletochangethefaceofXXpoor,intoawell-offsocietytogetherwithpeopleacrossthecountry.Wewanttobreaktheoldpatternsofthinking,methodsandorganizationofwork,bravelyandboldlyinto,makingfulluseofalltheadvantages,comprehensivereforms,tomakeallitsvitalityfordevelopmentimpulse,letfullplaytoallsourcesofwealthcreation.Shouldalwaysstability119 四、预防停电、停水施工措施由于本工程工期较紧,为了防止在施工期间出现停电、停水影响工程的施工进度,为保证工程在计划工期内交付使用,我公司特制定了停水、停电施工措施。工地设专人负责水电供应,经常与水源、电源管理单位和建设单位联系,及时了解水电供应信息,保证工程顺利进行。五、雨季、台风季节施工技术措施1、本项目计划于2012年3月份开工,施工期间将受一个雨季和台风季节影响,项目部现场施工管理人员必须掌握施工期间的气象信息,采取相应措施,合理妥善安排现场施工,尽最大程度降低影响。2、道路沿线在路线右侧红线边铺筑的施工便道采用石屑等粗集料铺筑,形成排水坡度,防止雨季积水,确保雨天或雨后的恢复施工。人行天桥与U型槽、框架桥的下部施工现场边应铺筑便道与纵向便道连接形成路网,确保雨天不影响桥涵下部的施工。attentiontoimprovingthequalityandefficiencyofdevelopmentandpaymoreattentiontosecurityandreformthepeople"slivelihood,morefocusonmaintainingsocialharmonyandstability,andpromotethedevelopmentoftownshipeconomyinabetterandfaster,createanewnormalXXdevelopmentandlayamoresolidfoundationforXXbuildawell-offsociety.Completedtasksthisyear,wemustalwayspayspecialattentiontotheprimarytaskofdevelopment.XXweakeconomicbase,lowlevelsofdevelopment,economicconstructionistheCenter,wehavetocreateconditionsforfastereconomicdevelopment,accumulatingmorewealth,betterpeople"slives.Effortshouldbemadetothisyear"seconomicgrowth,revenuegrowth,peoplehavemaintainedahighrateofincomegrowth,GDPgrowthofmorethan15percentrespectively.Alwaysgraspthefundamentalimpetusforreform.Wearenow"nosoldiersbehind"manyindicatorsrankedinthebottomofthecountyfromgettingbigger.Onlybygoingallouttohardwork,hardwork,innovation,reformdoesnotadapttoinstitutionalmechanisms,practices,itispossibletochangethefaceofXXpoor,intoawell-offsocietytogetherwithpeopleacrossthecountry.Wewanttobreaktheoldpatternsofthinking,methodsandorganizationofwork,bravelyandboldlyinto,makingfulluseofalltheadvantages,comprehensivereforms,tomakeallitsvitalityfordevelopmentimpulse,letfullplaytoallsourcesofwealthcreation.Shouldalwaysstability119 现有路基地处低洼,路基清表、清除淤泥质土及土头垃圾后,应进行平整,按照道路的竖向设计纵坡修整排水纵横坡,约100~150m设置集水坑,集中抽排至路基场外。路基在挖填及翻挖压实施工中应随时压实,并形成排水坡度,防止施工场内雨天积水。桥涵下部施工场地外围应设置截、排水沟,防止场外地表水流入场内影响施工,特别是U型槽、框架桥的施工场地。U型槽、框架桥基坑开挖坡顶应设置截、排水沟(墙),防止地表水流入基坑。第五章保证安全生产及文明施工的主要技术措施第一节、保证安全生产的主要措施一、安全管理组织安全施工目标:确保安全生产、无责任事故。对全体员工进行经常性的安全教育,加强安全知识的宣传与培训工作,切实提高全体员工的安全意识和素质,定期举办安全学习班,每月固定一天为安全学习和小结的检查日。建立安全机构。项目部设立安全领导小组,具体负责安全工作,制定各项安全检查制度督促各项安全措施的落实。各班组设立兼职安全员,具体负责本班组的安全工作。项目经理及各班组长兼安全负责人。组长:项目经理副组长:技术负责人成员土方班班组长木工班班组长管道班班组长砌筑班班组长砼班班组长attentiontoimprovingthequalityandefficiencyofdevelopmentandpaymoreattentiontosecurityandreformthepeople"slivelihood,morefocusonmaintainingsocialharmonyandstability,andpromotethedevelopmentoftownshipeconomyinabetterandfaster,createanewnormalXXdevelopmentandlayamoresolidfoundationforXXbuildawell-offsociety.Completedtasksthisyear,wemustalwayspayspecialattentiontotheprimarytaskofdevelopment.XXweakeconomicbase,lowlevelsofdevelopment,economicconstructionistheCenter,wehavetocreateconditionsforfastereconomicdevelopment,accumulatingmorewealth,betterpeople"slives.Effortshouldbemadetothisyear"seconomicgrowth,revenuegrowth,peoplehavemaintainedahighrateofincomegrowth,GDPgrowthofmorethan15percentrespectively.Alwaysgraspthefundamentalimpetusforreform.Wearenow"nosoldiersbehind"manyindicatorsrankedinthebottomofthecountyfromgettingbigger.Onlybygoingallouttohardwork,hardwork,innovation,reformdoesnotadapttoinstitutionalmechanisms,practices,itispossibletochangethefaceofXXpoor,intoawell-offsocietytogetherwithpeopleacrossthecountry.Wewanttobreaktheoldpatternsofthinking,methodsandorganizationofwork,bravelyandboldlyinto,makingfulluseofalltheadvantages,comprehensivereforms,tomakeallitsvitalityfordevelopmentimpulse,letfullplaytoallsourcesofwealthcreation.Shouldalwaysstability119 支架班班组长桩基班组长二、安全管理标准严格执行国家安全生产规定及交通部颁布安全生产操作规范。三、安全管理措施1、安全生产措施安全工作是搞好生产的重要因素,关系到国家、企业和职工的切身利益,因此在施工过程中必须认真贯彻“安全第一、预防为主、综合治理”的方针,广泛应用安全系统工程和事故分析方法,严格控制和防止各类伤亡事故,具体措施如下:(1)加强领导,健全组织。项目部成立安全领导小组,制定严格的安全措施,定期分析安全生产形势,研究解决施工中存在的问题。建立、健全各级安全岗位责任制,责任落实到人。充分发挥各级专职安检人员的监督作用,及时发现和排除安全隐患。(2)进行全面的、针对性的安全技术交底和危险源公示报告。attentiontoimprovingthequalityandefficiencyofdevelopmentandpaymoreattentiontosecurityandreformthepeople"slivelihood,morefocusonmaintainingsocialharmonyandstability,andpromotethedevelopmentoftownshipeconomyinabetterandfaster,createanewnormalXXdevelopmentandlayamoresolidfoundationforXXbuildawell-offsociety.Completedtasksthisyear,wemustalwayspayspecialattentiontotheprimarytaskofdevelopment.XXweakeconomicbase,lowlevelsofdevelopment,economicconstructionistheCenter,wehavetocreateconditionsforfastereconomicdevelopment,accumulatingmorewealth,betterpeople"slives.Effortshouldbemadetothisyear"seconomicgrowth,revenuegrowth,peoplehavemaintainedahighrateofincomegrowth,GDPgrowthofmorethan15percentrespectively.Alwaysgraspthefundamentalimpetusforreform.Wearenow"nosoldiersbehind"manyindicatorsrankedinthebottomofthecountyfromgettingbigger.Onlybygoingallouttohardwork,hardwork,innovation,reformdoesnotadapttoinstitutionalmechanisms,practices,itispossibletochangethefaceofXXpoor,intoawell-offsocietytogetherwithpeopleacrossthecountry.Wewanttobreaktheoldpatternsofthinking,methodsandorganizationofwork,bravelyandboldlyinto,makingfulluseofalltheadvantages,comprehensivereforms,tomakeallitsvitalityfordevelopmentimpulse,letfullplaytoallsourcesofwealthcreation.Shouldalwaysstability119 (3)各项经济承包有确切的安全指标和包括奖惩办法在内的保证措施。(4)安全教育要经常化、制度化。提高全体员工的安全意识,切实树立安全第一的思想,建立完善的安全工作保证体系,对特种作业人员必须经培训合格后持证上岗;对新职工及合同工必须进行项目部、工区和班组三级安全教育和定期培训;通过安全竞赛、现场安全标语、图片等宣传形式,增强全员安全生产的自觉性,时时处处注意安全,把安全生产工作落到实处。(5)建立和完善定期安全检查制度,各级安全领导小组要定期组织检查,各级安全监督人员要经常检查,真正把事故消灭在萌芽状态。(6)施工现场按规定悬挂“七牌二图”与安全标牌。加强安全防护,设置安全防护标志,施工作业设立安全栏杆、安全网。施工作业人员严禁酒后上岗,严格遵守操作规程,对违章作业又不听劝阻者将从严惩处,绝不姑息迁就,创造一个重视安全、处处遵章、文明施工的环境。(7)抓好现场管理,坚持文明施工,保障人身、机械和器材的安全。在行人道路处开挖基坑及施工危险地段要设置安全警示牌,以防意外事故发生。全体员工必须明确安全生产的重要性,严格遵守施工操作规程,禁止违章操作,杜绝施工生产中安全事故的发生。所有进入施工现场的员工不得穿拖鞋,同时必须戴安全帽,电工、焊工要持证上岗,在作业时须穿上绝缘鞋,高空作业须系好安全带。(8)认真做好防火、防雷、防台风工作,驻地和库房要在台风attentiontoimprovingthequalityandefficiencyofdevelopmentandpaymoreattentiontosecurityandreformthepeople"slivelihood,morefocusonmaintainingsocialharmonyandstability,andpromotethedevelopmentoftownshipeconomyinabetterandfaster,createanewnormalXXdevelopmentandlayamoresolidfoundationforXXbuildawell-offsociety.Completedtasksthisyear,wemustalwayspayspecialattentiontotheprimarytaskofdevelopment.XXweakeconomicbase,lowlevelsofdevelopment,economicconstructionistheCenter,wehavetocreateconditionsforfastereconomicdevelopment,accumulatingmorewealth,betterpeople"slives.Effortshouldbemadetothisyear"seconomicgrowth,revenuegrowth,peoplehavemaintainedahighrateofincomegrowth,GDPgrowthofmorethan15percentrespectively.Alwaysgraspthefundamentalimpetusforreform.Wearenow"nosoldiersbehind"manyindicatorsrankedinthebottomofthecountyfromgettingbigger.Onlybygoingallouttohardwork,hardwork,innovation,reformdoesnotadapttoinstitutionalmechanisms,practices,itispossibletochangethefaceofXXpoor,intoawell-offsocietytogetherwithpeopleacrossthecountry.Wewanttobreaktheoldpatternsofthinking,methodsandorganizationofwork,bravelyandboldlyinto,makingfulluseofalltheadvantages,comprehensivereforms,tomakeallitsvitalityfordevelopmentimpulse,letfullplaytoallsourcesofwealthcreation.Shouldalwaysstability119 到来前予以撤退,重点设备,重点防护,对易燃、易爆、有毒器材按有关规定妥善保管,登记造册发放,责任落实到人,彻底消除不安全因素。(9)定期或根据施工需要发放和检查施工所用的各种安全机具设备和劳动保护用品。施工机械、车辆的使用及保养必须严格遵守制度。禁止机械、车辆带病作业,严格遵守操作规程,杜绝事故的发生。(10)施工现场用电、住宿区照明用电及各种电器设备的安全使用,必须按供电部门的安全用电要求及有关规定执行,严禁违章用电。(11)施工及住宅工棚,要做好防火、防盗、防台风工作,指派专人进行轮流值班,发现问题及时报告处理。工棚配备灭火器及其它安全器材。(12)加强应急预案管理,制定完整的事故应急预案救援预案制度,组织进行预案演习。(13)施工现场严格按照安全质量标准化要求进行施工组织管理。(14)建立危险性较大的分部、分项工程编写、审核、批准专项施工方案制度,并按规定进行专家论证。(15)项目部建立安全生产管理资料档案。2、安全隐患检查(1)建立安全检查及隐患排查制度,对查出的隐患及时采取相应措施进行整改。(2)现场施工组织管理采用新技术、新工艺、新设备、新材料,应编制确实可行的施工方案,采取有效的技术措施,避免造成施工隐患的产生。3、安全隐患检查程序:班前隐患检查有必要的安全作业指导书施工部位是否有安全设施并保证完好职工是否执行“三穿一戴”是否有酗酒上班或精神疲倦或带病上班整改施工过程跟踪检查施工过程安全保护是否破坏或不妥职工安全穿戴解除现象检查乱扔、乱弃、违反文明管理现象检查职工精神松散现象检查过程整改班后检查确定下一班在整改的情况进入下班程序运转attentiontoimprovingthequalityandefficiencyofdevelopmentandpaymoreattentiontosecurityandreformthepeople"slivelihood,morefocusonmaintainingsocialharmonyandstability,andpromotethedevelopmentoftownshipeconomyinabetterandfaster,createanewnormalXXdevelopmentandlayamoresolidfoundationforXXbuildawell-offsociety.Completedtasksthisyear,wemustalwayspayspecialattentiontotheprimarytaskofdevelopment.XXweakeconomicbase,lowlevelsofdevelopment,economicconstructionistheCenter,wehavetocreateconditionsforfastereconomicdevelopment,accumulatingmorewealth,betterpeople"slives.Effortshouldbemadetothisyear"seconomicgrowth,revenuegrowth,peoplehavemaintainedahighrateofincomegrowth,GDPgrowthofmorethan15percentrespectively.Alwaysgraspthefundamentalimpetusforreform.Wearenow"nosoldiersbehind"manyindicatorsrankedinthebottomofthecountyfromgettingbigger.Onlybygoingallouttohardwork,hardwork,innovation,reformdoesnotadapttoinstitutionalmechanisms,practices,itispossibletochangethefaceofXXpoor,intoawell-offsocietytogetherwithpeopleacrossthecountry.Wewanttobreaktheoldpatternsofthinking,methodsandorganizationofwork,bravelyandboldlyinto,makingfulluseofalltheadvantages,comprehensivereforms,tomakeallitsvitalityfordevelopmentimpulse,letfullplaytoallsourcesofwealthcreation.Shouldalwaysstability119 四、施工安全预防、控制措施1、水平运输的安全措施汽车的运行速度应根据道路的类型及状态的不同,规定最高的运行速度,并严禁超速、超载行驶。在运输工作开始前,所有的危险、重要地区,各交叉路口,均设立明显的标识警告牌。载运物料时,尤其是在平板车上应绑扎稳固。attentiontoimprovingthequalityandefficiencyofdevelopmentandpaymoreattentiontosecurityandreformthepeople"slivelihood,morefocusonmaintainingsocialharmonyandstability,andpromotethedevelopmentoftownshipeconomyinabetterandfaster,createanewnormalXXdevelopmentandlayamoresolidfoundationforXXbuildawell-offsociety.Completedtasksthisyear,wemustalwayspayspecialattentiontotheprimarytaskofdevelopment.XXweakeconomicbase,lowlevelsofdevelopment,economicconstructionistheCenter,wehavetocreateconditionsforfastereconomicdevelopment,accumulatingmorewealth,betterpeople"slives.Effortshouldbemadetothisyear"seconomicgrowth,revenuegrowth,peoplehavemaintainedahighrateofincomegrowth,GDPgrowthofmorethan15percentrespectively.Alwaysgraspthefundamentalimpetusforreform.Wearenow"nosoldiersbehind"manyindicatorsrankedinthebottomofthecountyfromgettingbigger.Onlybygoingallouttohardwork,hardwork,innovation,reformdoesnotadapttoinstitutionalmechanisms,practices,itispossibletochangethefaceofXXpoor,intoawell-offsocietytogetherwithpeopleacrossthecountry.Wewanttobreaktheoldpatternsofthinking,methodsandorganizationofwork,bravelyandboldlyinto,makingfulluseofalltheadvantages,comprehensivereforms,tomakeallitsvitalityfordevelopmentimpulse,letfullplaytoallsourcesofwealthcreation.Shouldalwaysstability119 运载土方施工时,装卸场地应平整,自卸车箱及时落下。在场外道路行驶过程中应遵守交通规则,避免发生交通事故。2、路基施工安全路堑开挖时,注意坡面的稳定情况,每次开工前、收工后,对坡面、坡顶周围认真检查,对有裂缝和塌方现象或有危石、危土时立即处理。路堑开挖按自上而下的顺序进行,防止因开挖不当造成坍塌、边坡不稳,禁止掏底开挖。做好路基施工中机械设备的组织指挥工作,保证道路畅通,防止发生机械碰撞及翻机、翻车事故,机械施工旋转半径范围内严禁人员进入。3、管道施工安全措施管道沟槽土方开挖应严格按照规范、设计要求进行和根据土质情况放坡,沟槽土方应堆积于沟槽顶2m以外,余土应及时清运出场地。对沟槽土质为砂层时,应放好坡度,及时施工安装管道及回填,防止塌方。施工前先检查管槽的木桩撑护是否牢固,边坡是否稳定,安全可靠,认定安全后方可下沟槽施工。管道堆放应均匀分布,以方便吊管作业,不堆放在离管槽边沿太近,以免影响边坡稳定。管道安装后经验收合格,立即组织回填,先回填后拆除木桩撑护4、桥涵施工安全(1)施工前应对相关人员安全交底(如基坑开挖安全交底等),让相关人员有意识的注意安全事项,并在施工现场布置安全警示牌。施工员必须跟踪施工,如发现员工违规操作马上制止,有危险源马上组织人员进行补救,在现场有问题马上报告项目部组,并织人员进行安全抢救。attentiontoimprovingthequalityandefficiencyofdevelopmentandpaymoreattentiontosecurityandreformthepeople"slivelihood,morefocusonmaintainingsocialharmonyandstability,andpromotethedevelopmentoftownshipeconomyinabetterandfaster,createanewnormalXXdevelopmentandlayamoresolidfoundationforXXbuildawell-offsociety.Completedtasksthisyear,wemustalwayspayspecialattentiontotheprimarytaskofdevelopment.XXweakeconomicbase,lowlevelsofdevelopment,economicconstructionistheCenter,wehavetocreateconditionsforfastereconomicdevelopment,accumulatingmorewealth,betterpeople"slives.Effortshouldbemadetothisyear"seconomicgrowth,revenuegrowth,peoplehavemaintainedahighrateofincomegrowth,GDPgrowthofmorethan15percentrespectively.Alwaysgraspthefundamentalimpetusforreform.Wearenow"nosoldiersbehind"manyindicatorsrankedinthebottomofthecountyfromgettingbigger.Onlybygoingallouttohardwork,hardwork,innovation,reformdoesnotadapttoinstitutionalmechanisms,practices,itispossibletochangethefaceofXXpoor,intoawell-offsocietytogetherwithpeopleacrossthecountry.Wewanttobreaktheoldpatternsofthinking,methodsandorganizationofwork,bravelyandboldlyinto,makingfulluseofalltheadvantages,comprehensivereforms,tomakeallitsvitalityfordevelopmentimpulse,letfullplaytoallsourcesofwealthcreation.Shouldalwaysstability119 (2)桥涵桩基施工的泥浆池应设置围栏及警示牌,泥浆应及时清理、弃运;桩基钻孔灌注完成后的空孔段泥浆应及时清理、回填,避免人员掉入。(3)桩基成孔过程中遇有卡垂时,应报告施工技术人员采取相应的安全技术措施处理。(4)桥涵基坑开挖严格按照规范、设计要求及根据土质情况放坡,做好边坡防护,对于有渗水的边坡砂层可采用袋装砂袋防护,防止流砂造成边坡坍塌,同时应做好降排水工作,在深基坑周边设置沉降观测点,并随时观测,一有异常情况应立即采取措施处理。(5)桥涵的满堂支架持力层应进行场地硬化,杜绝地基产生不均匀沉降,确保具有足够的地基承载力。支架应进行设计验算、编制专项施工方案,并确保专家论证通过方可实施。(6)桥涵上部结构作业面临界面应进行围栏防护,模板安装施工应有防火措施,工作面范围内设置灭火水源。5、施工用电安全严格按有关规定安装线路及设备,用电设备都要安装地线,不合格的电气器材严禁使用。(1)场照:照明电线绝缘良好,导线不得随地拖拉或绑在钢管架上。照明灯具的金属外壳必须接零。室外照明灯具距地面不低于3m,室内距地面不低于2.4m。(2)attentiontoimprovingthequalityandefficiencyofdevelopmentandpaymoreattentiontosecurityandreformthepeople"slivelihood,morefocusonmaintainingsocialharmonyandstability,andpromotethedevelopmentoftownshipeconomyinabetterandfaster,createanewnormalXXdevelopmentandlayamoresolidfoundationforXXbuildawell-offsociety.Completedtasksthisyear,wemustalwayspayspecialattentiontotheprimarytaskofdevelopment.XXweakeconomicbase,lowlevelsofdevelopment,economicconstructionistheCenter,wehavetocreateconditionsforfastereconomicdevelopment,accumulatingmorewealth,betterpeople"slives.Effortshouldbemadetothisyear"seconomicgrowth,revenuegrowth,peoplehavemaintainedahighrateofincomegrowth,GDPgrowthofmorethan15percentrespectively.Alwaysgraspthefundamentalimpetusforreform.Wearenow"nosoldiersbehind"manyindicatorsrankedinthebottomofthecountyfromgettingbigger.Onlybygoingallouttohardwork,hardwork,innovation,reformdoesnotadapttoinstitutionalmechanisms,practices,itispossibletochangethefaceofXXpoor,intoawell-offsocietytogetherwithpeopleacrossthecountry.Wewanttobreaktheoldpatternsofthinking,methodsandorganizationofwork,bravelyandboldlyinto,makingfulluseofalltheadvantages,comprehensivereforms,tomakeallitsvitalityfordevelopmentimpulse,letfullplaytoallsourcesofwealthcreation.Shouldalwaysstability119 配电箱、开关箱:使用BD型标准电箱,电箱内开关电器必须完整无损,接线正确,电箱内设置漏电保护器,选用合理的额定漏电保护器使电流进行分级匹配。配电箱设总熔丝、分开关,动力和照分别设置。金属外壳电箱作接地或接零保护。开关箱与用电设备实行一机一闸保险和三级漏电保护。同一移动开头箱严禁有380V和220V两种电压等级。(3)架空线:架空线必须设在专用电杆(水泥杆、木杆)上,严禁架设在树或钢管架上,架空线装设横担和绝缘子。架空线离地4m以上,机动车道为6m以上。(4)接地接零:接地采用角钢、圆钢或钢管,其截面不小于48mm2,一组二根接地之间间距不小于2.5m,接地电阻符合规定,电杆转角杆,终端杆及总箱,分配电箱必须有重复接地。(5)用电管理:安装、维修或拆除临时用电工程,必须由电工完成,电工必须持证上岗,实行定期检查制度,并做好检查记录。(6)电源线路接头必须连接,可靠安全、包扎严密、防潮,防止雨天漏水短路,经常性检查维护线路与用电设备、设施。6、机械设备安全(1)所有施工设备和机具在使用时均必须由专职人员负责进行检查、必要的试验和维修保养,确保状况良好。各技术工种必须经过培训并经考核取得合格证,方可持证上岗操作,杜绝违章作业。大型机械的保险、限位装置防护指示器等必须齐全可靠。(2)驾驶、指挥人员必须持证上岗,必须按规程要求进行操作,驾驶员应作好例行保护和记录。(3)各类安全(包括制动)装置的防护罩、盖等要齐全可靠。(4)机械与输电线路(垂直、水平方向)须按规定保持距离。(5)作业时,机械停放稳固,臂杆幅度指示器灵敏可靠。(6)电缆线绝缘良好,不得有接头,不得乱拖乱拉。attentiontoimprovingthequalityandefficiencyofdevelopmentandpaymoreattentiontosecurityandreformthepeople"slivelihood,morefocusonmaintainingsocialharmonyandstability,andpromotethedevelopmentoftownshipeconomyinabetterandfaster,createanewnormalXXdevelopmentandlayamoresolidfoundationforXXbuildawell-offsociety.Completedtasksthisyear,wemustalwayspayspecialattentiontotheprimarytaskofdevelopment.XXweakeconomicbase,lowlevelsofdevelopment,economicconstructionistheCenter,wehavetocreateconditionsforfastereconomicdevelopment,accumulatingmorewealth,betterpeople"slives.Effortshouldbemadetothisyear"seconomicgrowth,revenuegrowth,peoplehavemaintainedahighrateofincomegrowth,GDPgrowthofmorethan15percentrespectively.Alwaysgraspthefundamentalimpetusforreform.Wearenow"nosoldiersbehind"manyindicatorsrankedinthebottomofthecountyfromgettingbigger.Onlybygoingallouttohardwork,hardwork,innovation,reformdoesnotadapttoinstitutionalmechanisms,practices,itispossibletochangethefaceofXXpoor,intoawell-offsocietytogetherwithpeopleacrossthecountry.Wewanttobreaktheoldpatternsofthinking,methodsandorganizationofwork,bravelyandboldlyinto,makingfulluseofalltheadvantages,comprehensivereforms,tomakeallitsvitalityfordevelopmentimpulse,letfullplaytoallsourcesofwealthcreation.Shouldalwaysstability119 (7)各类机械配挂技术性能牌和上岗操作人员名单牌。(8)必须严格遵守定期保养制度,做好操作前、操作中和操作后设备的清洁、润滑、紧固、调整和防腐工作。严禁机械设备超负荷使用、带病运转和在作业运转中进行维修。(9)机械设备夜间作业必须有充足的照明,夜间施工要有良好的照明设备。7、防火安全(1)建立项目部、工区、班组三级防火责任制,确定职责。(2)重点部位如料场、模板间配置相应消防器材,一般部位如宿舍、食堂等处设常规消防器材。(3)施工现场用电严格执行有关规定,加强电源管理防止发生电器火灾。(4)焊、割作业点与氧气瓶、乙炔气瓶等危险物品的距离不得少于10m,与易燃易爆物品的距离不得少于30m。8、防台措施:本地区台风侵袭率较高。为了安全地度过台风季节,尽可能避免或减少台风对工程及人员和设备的伤害和损失,确保施工的顺利进行,结合现场实际,确定以下防台措施:(1)建立防台组织机构成立项目经理为组长的防台领导小组,组员由总工程师、工程技术人员、材料人员及其他有关人员组成。attentiontoimprovingthequalityandefficiencyofdevelopmentandpaymoreattentiontosecurityandreformthepeople"slivelihood,morefocusonmaintainingsocialharmonyandstability,andpromotethedevelopmentoftownshipeconomyinabetterandfaster,createanewnormalXXdevelopmentandlayamoresolidfoundationforXXbuildawell-offsociety.Completedtasksthisyear,wemustalwayspayspecialattentiontotheprimarytaskofdevelopment.XXweakeconomicbase,lowlevelsofdevelopment,economicconstructionistheCenter,wehavetocreateconditionsforfastereconomicdevelopment,accumulatingmorewealth,betterpeople"slives.Effortshouldbemadetothisyear"seconomicgrowth,revenuegrowth,peoplehavemaintainedahighrateofincomegrowth,GDPgrowthofmorethan15percentrespectively.Alwaysgraspthefundamentalimpetusforreform.Wearenow"nosoldiersbehind"manyindicatorsrankedinthebottomofthecountyfromgettingbigger.Onlybygoingallouttohardwork,hardwork,innovation,reformdoesnotadapttoinstitutionalmechanisms,practices,itispossibletochangethefaceofXXpoor,intoawell-offsocietytogetherwithpeopleacrossthecountry.Wewanttobreaktheoldpatternsofthinking,methodsandorganizationofwork,bravelyandboldlyinto,makingfulluseofalltheadvantages,comprehensivereforms,tomakeallitsvitalityfordevelopmentimpulse,letfullplaytoallsourcesofwealthcreation.Shouldalwaysstability119 防台领导小组主要负责防台工作中的领导、指挥、组织和协调及台风预报的工作。领导小组还应制订有关实施和管理制度,并进行明确分工、责任到人,分片分项负责。成立若干个防台抢险突击队,队长由施工队负责人及施工班组长担任,挑选身强力壮、思想素质好的骨干为突击队员,以确保防台抗洪抢险时召之即来,来者能战,战之必胜,同时积极发挥党、团员的先锋模范作用,广泛深入地做好宣传教育工作,随时准备为保护国家财产和他人人身安全做好自己的贡献。(2)台风到来前的准备工作首先,与气象局联系,配备气象警报接收机,委派专人收听和记录气象预报,并把有关信息汇报领导小组及通告全体职工。主动与有关单位保持联系,以便台风来临之时能取得社会力量的指导和帮助。聘请有防台经验和有关知识的人员来给广大职工上课,传授防台知识,提高整体防台抢险能力,增强防台意识,做到有备而战。此外,日常施工时,应把有关物资和设备按规定管理方法在指定的地点进行堆放,加强安全检查,及时更换或修复有关设备及物资(如缆绳、支撑等工具和设备),台风来临之前必须对不能搬移的设备和临时设施(如船只、便桥等)做好加固定位工作,同时配备好救生、消防和堵漏等器材。防台领导小组还应委派有关人员详细勘察附近地形水流等情况,制定出防台的具体方案、方法和确定有关物资设备的安置场所,确保防台抢险工作有条不紊地进行,不至于到时手忙脚乱。(3)防台抢险实施措施在认真做好上述准备工作之后,应该说具备了一定的防台能力,但台风的威力往往不是人所能完全掌握的,必须灵活机动、冷静稳重地应付。确保防台领导小组及突击队员在工地人数达90%以上。attentiontoimprovingthequalityandefficiencyofdevelopmentandpaymoreattentiontosecurityandreformthepeople"slivelihood,morefocusonmaintainingsocialharmonyandstability,andpromotethedevelopmentoftownshipeconomyinabetterandfaster,createanewnormalXXdevelopmentandlayamoresolidfoundationforXXbuildawell-offsociety.Completedtasksthisyear,wemustalwayspayspecialattentiontotheprimarytaskofdevelopment.XXweakeconomicbase,lowlevelsofdevelopment,economicconstructionistheCenter,wehavetocreateconditionsforfastereconomicdevelopment,accumulatingmorewealth,betterpeople"slives.Effortshouldbemadetothisyear"seconomicgrowth,revenuegrowth,peoplehavemaintainedahighrateofincomegrowth,GDPgrowthofmorethan15percentrespectively.Alwaysgraspthefundamentalimpetusforreform.Wearenow"nosoldiersbehind"manyindicatorsrankedinthebottomofthecountyfromgettingbigger.Onlybygoingallouttohardwork,hardwork,innovation,reformdoesnotadapttoinstitutionalmechanisms,practices,itispossibletochangethefaceofXXpoor,intoawell-offsocietytogetherwithpeopleacrossthecountry.Wewanttobreaktheoldpatternsofthinking,methodsandorganizationofwork,bravelyandboldlyinto,makingfulluseofalltheadvantages,comprehensivereforms,tomakeallitsvitalityfordevelopmentimpulse,letfullplaytoallsourcesofwealthcreation.Shouldalwaysstability119 当获悉48小时内有可能有台风时,防台领导小组立即开展工作,统一全体人员进入准备状态。积极与当地防台领导机构联系,服从其统一领导和调度,努力配合工作。有关人员配备通讯设备(如手机),加强联系,互通情况。收拾及保管好有关资料(如图纸等)。切断电源,防止漏电。(4)台风袭击后的工作台风过后,及时组织人员清理现场,修复有关损坏的设施及设备,以最快的速度恢复生产。同时应对受污染的物质进行处理(如饮用水灭菌等),避免其他灾害。第二节保证文明施工的主要措施一、文明施工管理组织文明施工管理目标:切实实行文明施工,争创文明施工标准化工地。维护通车的目标、措施:配备1名专职管理人员进行交通协管,确保在本标段施工范围内的正常通车。建立以项目经理为第一责任人的文明施工管理组织机构,如下图所示。组长:项目经理副组长:技术负责人成员土方班班组长木工班班组长管道班班组长砌筑班班组长砼班班组长attentiontoimprovingthequalityandefficiencyofdevelopmentandpaymoreattentiontosecurityandreformthepeople"slivelihood,morefocusonmaintainingsocialharmonyandstability,andpromotethedevelopmentoftownshipeconomyinabetterandfaster,createanewnormalXXdevelopmentandlayamoresolidfoundationforXXbuildawell-offsociety.Completedtasksthisyear,wemustalwayspayspecialattentiontotheprimarytaskofdevelopment.XXweakeconomicbase,lowlevelsofdevelopment,economicconstructionistheCenter,wehavetocreateconditionsforfastereconomicdevelopment,accumulatingmorewealth,betterpeople"slives.Effortshouldbemadetothisyear"seconomicgrowth,revenuegrowth,peoplehavemaintainedahighrateofincomegrowth,GDPgrowthofmorethan15percentrespectively.Alwaysgraspthefundamentalimpetusforreform.Wearenow"nosoldiersbehind"manyindicatorsrankedinthebottomofthecountyfromgettingbigger.Onlybygoingallouttohardwork,hardwork,innovation,reformdoesnotadapttoinstitutionalmechanisms,practices,itispossibletochangethefaceofXXpoor,intoawell-offsocietytogetherwithpeopleacrossthecountry.Wewanttobreaktheoldpatternsofthinking,methodsandorganizationofwork,bravelyandboldlyinto,makingfulluseofalltheadvantages,comprehensivereforms,tomakeallitsvitalityfordevelopmentimpulse,letfullplaytoallsourcesofwealthcreation.Shouldalwaysstability119 桩基班班组长支架班班组长二、文明施工管理标准1、施工工地要有“五牌一图”;2、材料堆放要整齐有条理;3、施工现场的落地灰、碎砖头等建筑垃圾要及时清扫;4、安全防护设施要符合规定,临街施工要要全封闭,电线要架空,用电要规范,工人要正确使用安全防护“三宝”;5、工地要有排水措施,室内外要整洁;6、工地要有防火措施,建立消防制度,配足消防器具;7、车辆装载要符合要求,载物不散落;8、工地要有保卫制度,宿舍、食堂要有文明卫生公约。三、文明施工管理措施切实搞好标准化工地建设,文明施工,使场地布置整洁化、施工操作规范化、工艺流程程序化。拟定如下措施:1、与现有平交口处设置栏栅围挡,实行半封闭性施工。attentiontoimprovingthequalityandefficiencyofdevelopmentandpaymoreattentiontosecurityandreformthepeople"slivelihood,morefocusonmaintainingsocialharmonyandstability,andpromotethedevelopmentoftownshipeconomyinabetterandfaster,createanewnormalXXdevelopmentandlayamoresolidfoundationforXXbuildawell-offsociety.Completedtasksthisyear,wemustalwayspayspecialattentiontotheprimarytaskofdevelopment.XXweakeconomicbase,lowlevelsofdevelopment,economicconstructionistheCenter,wehavetocreateconditionsforfastereconomicdevelopment,accumulatingmorewealth,betterpeople"slives.Effortshouldbemadetothisyear"seconomicgrowth,revenuegrowth,peoplehavemaintainedahighrateofincomegrowth,GDPgrowthofmorethan15percentrespectively.Alwaysgraspthefundamentalimpetusforreform.Wearenow"nosoldiersbehind"manyindicatorsrankedinthebottomofthecountyfromgettingbigger.Onlybygoingallouttohardwork,hardwork,innovation,reformdoesnotadapttoinstitutionalmechanisms,practices,itispossibletochangethefaceofXXpoor,intoawell-offsocietytogetherwithpeopleacrossthecountry.Wewanttobreaktheoldpatternsofthinking,methodsandorganizationofwork,bravelyandboldlyinto,makingfulluseofalltheadvantages,comprehensivereforms,tomakeallitsvitalityfordevelopmentimpulse,letfullplaytoallsourcesofwealthcreation.Shouldalwaysstability119 2、场地布置合理,施工前绘制施工总平面布置图,严格按图实施,整洁有序,材料堆码整齐、无脏、乱、差等现象。3、合理调配材料,做到工完料清,场地清洁。4、施工道路平整,电力线、通信线布局整齐合理,美观。5、在施工场地醒目处悬挂施工标牌和各类图表,统一书写,做到整齐、美观。6、生活区域的“五有”设施齐全,宿舍实行“公寓化”管理,派专人清扫厕所和浴室,确保生活区的清洁卫生。设立垃圾场,实行生活垃圾袋装化处理。7、各类资料填写准确、及时规范、收集齐全、归类有序,且有专人管理。8、做到施工文明、言行文明、处理好与地方的关系,树立良好的形象。9、完善健全各类台账归档管理10、施工期间每月进行一次施工评比活动,设立“流动红旗”,签订文明施工责任状,发现问题及时采取改进措施。11、做好工程地质及水文地质记录,并加以分析、核对,如与设计不相符,与建设单位、设计单位联系完善变更设计。12、做好对临时道路的养护工作,以保证临时道路和结构物的正常使用;对临时道路的现有道路,对其进行修整、加固等,并设置必要的交通标志,保障交通顺畅。13、项目部建设场地、钢筋加工场场地必须采用5%水泥稳定碎石硬化处理。attentiontoimprovingthequalityandefficiencyofdevelopmentandpaymoreattentiontosecurityandreformthepeople"slivelihood,morefocusonmaintainingsocialharmonyandstability,andpromotethedevelopmentoftownshipeconomyinabetterandfaster,createanewnormalXXdevelopmentandlayamoresolidfoundationforXXbuildawell-offsociety.Completedtasksthisyear,wemustalwayspayspecialattentiontotheprimarytaskofdevelopment.XXweakeconomicbase,lowlevelsofdevelopment,economicconstructionistheCenter,wehavetocreateconditionsforfastereconomicdevelopment,accumulatingmorewealth,betterpeople"slives.Effortshouldbemadetothisyear"seconomicgrowth,revenuegrowth,peoplehavemaintainedahighrateofincomegrowth,GDPgrowthofmorethan15percentrespectively.Alwaysgraspthefundamentalimpetusforreform.Wearenow"nosoldiersbehind"manyindicatorsrankedinthebottomofthecountyfromgettingbigger.Onlybygoingallouttohardwork,hardwork,innovation,reformdoesnotadapttoinstitutionalmechanisms,practices,itispossibletochangethefaceofXXpoor,intoawell-offsocietytogetherwithpeopleacrossthecountry.Wewanttobreaktheoldpatternsofthinking,methodsandorganizationofwork,bravelyandboldlyinto,makingfulluseofalltheadvantages,comprehensivereforms,tomakeallitsvitalityfordevelopmentimpulse,letfullplaytoallsourcesofwealthcreation.Shouldalwaysstability119 四、文物、环境保护及泥浆排放措施1、目的确保在施工期间对环境保护采取必要的措施,使在施工期间受损的环境影响减到最低程度。2、文物保护施工时如发现文物古迹,不移动和收藏,并保护好现场,防止文物流失,并暂时停止作业,立即报监理工程师。土方工程以及其他需要借土、弃土时,对现有的或规划的保护文物遗址,采取避让的原则进行地点的选择。3、防止水土流失和废料废方处理(1)防水排水在施工期间始终保护工地的良好排水状态,修建一些临时排水渠道,并与永久性排水设施相连接,不得引起淤积和冲刷。雨季填筑路堤随挖、随运、随填、随压实,依次进行;每层表面均设备横坡,使不积水。(2)冲刷与淤积采取有效预防措施,防止施工场所占用的土地或临时使用的土地招冲刷。采取有效预防措施,防止从本工程施工中开挖的土石材料,对排水系统产生淤积或堵塞。施工中的临时排水系统,应能最大限度地减少水土流失及对水质状态的改变。attentiontoimprovingthequalityandefficiencyofdevelopmentandpaymoreattentiontosecurityandreformthepeople"slivelihood,morefocusonmaintainingsocialharmonyandstability,andpromotethedevelopmentoftownshipeconomyinabetterandfaster,createanewnormalXXdevelopmentandlayamoresolidfoundationforXXbuildawell-offsociety.Completedtasksthisyear,wemustalwayspayspecialattentiontotheprimarytaskofdevelopment.XXweakeconomicbase,lowlevelsofdevelopment,economicconstructionistheCenter,wehavetocreateconditionsforfastereconomicdevelopment,accumulatingmorewealth,betterpeople"slives.Effortshouldbemadetothisyear"seconomicgrowth,revenuegrowth,peoplehavemaintainedahighrateofincomegrowth,GDPgrowthofmorethan15percentrespectively.Alwaysgraspthefundamentalimpetusforreform.Wearenow"nosoldiersbehind"manyindicatorsrankedinthebottomofthecountyfromgettingbigger.Onlybygoingallouttohardwork,hardwork,innovation,reformdoesnotadapttoinstitutionalmechanisms,practices,itispossibletochangethefaceofXXpoor,intoawell-offsocietytogetherwithpeopleacrossthecountry.Wewanttobreaktheoldpatternsofthinking,methodsandorganizationofwork,bravelyandboldlyinto,makingfulluseofalltheadvantages,comprehensivereforms,tomakeallitsvitalityfordevelopmentimpulse,letfullplaytoallsourcesofwealthcreation.Shouldalwaysstability119 开挖或填筑的土质路基边坡及时采取防护措施,防止雨季到来临时水对坡面的冲刷而影响排水系统,减少对附近水域的污染。不管出于任务需要,未经监理工程师的事先书面同意,不干扰航道、水道或排水系统的自然流动。(3)废料废方的处理清理场地的废料和土石方工程的废方处理,不得影响排水系统及周边海域,应按图纸规定或监理工程师的批示在适当地点设置弃土场,有条件力求少占土地,并结合改地造田。当设置弃土场时,按有关规定执行。施工过程中的泥浆及废弃物等,在工程完工时即时清除干净,以免污染环境和阻塞交通。4、防止和减轻水、大气受污染(1)保护水质施工废水、生活污水不直接排入海域,不排入饮用水源。施工区域,砂石料场,在施工期间和完工后妥善处理,以减少对海域侵蚀,防止沉渣进入海域。冲洗集料或含有沉积物的操作用水,采取过滤、沉淀池处理或其它措施,使能做到达标排放。施工期间,施工物料如水泥、油料、化学品等堆放管理严格,避免暴雨将物料随雨水径流排入地表及附近水域造成污染。施工机械防止严重漏油,禁止机械在运转中产生的污水未经处理就被排放或维修施工机械时油污水直接排放。(2)控制扬尘attentiontoimprovingthequalityandefficiencyofdevelopmentandpaymoreattentiontosecurityandreformthepeople"slivelihood,morefocusonmaintainingsocialharmonyandstability,andpromotethedevelopmentoftownshipeconomyinabetterandfaster,createanewnormalXXdevelopmentandlayamoresolidfoundationforXXbuildawell-offsociety.Completedtasksthisyear,wemustalwayspayspecialattentiontotheprimarytaskofdevelopment.XXweakeconomicbase,lowlevelsofdevelopment,economicconstructionistheCenter,wehavetocreateconditionsforfastereconomicdevelopment,accumulatingmorewealth,betterpeople"slives.Effortshouldbemadetothisyear"seconomicgrowth,revenuegrowth,peoplehavemaintainedahighrateofincomegrowth,GDPgrowthofmorethan15percentrespectively.Alwaysgraspthefundamentalimpetusforreform.Wearenow"nosoldiersbehind"manyindicatorsrankedinthebottomofthecountyfromgettingbigger.Onlybygoingallouttohardwork,hardwork,innovation,reformdoesnotadapttoinstitutionalmechanisms,practices,itispossibletochangethefaceofXXpoor,intoawell-offsocietytogetherwithpeopleacrossthecountry.Wewanttobreaktheoldpatternsofthinking,methodsandorganizationofwork,bravelyandboldlyinto,makingfulluseofalltheadvantages,comprehensivereforms,tomakeallitsvitalityfordevelopmentimpulse,letfullplaytoallsourcesofwealthcreation.Shouldalwaysstability119 为减少施工作业产生的灰尘,随时进行洒水或其他抑尘措施,施工区域无明显的扬尘。易于引起粉尘的细料或松散料予以遮盖或适当洒水润湿。运输时采用篷布、盖套及类似遮盖物覆盖。(3)减少噪声、废气污染各种临时设施和场地,如堆料场、加工厂等离居民区不小于300m,而且设于居民区主要风向的下风处。使用机械设备的工艺操作,要尽量减少噪声、废气等的污染;建筑施工场地的噪声应符合《建筑施工场界噪声限值》(GB12523-1990)的规定,并遵守当地有关部门对夜间施工的规定。(4)保护绿色植被尽量保护公路用地范围之外的现有绿色植被。若因修建临时工程破坏了现有的绿色植被,负责在拆除临时工程时予以恢复。严格控制施工期间工程破坏植被的面积,除了不可避免的工程占地、砍伐以外,不再发生其它形式的人为破坏。(5)土地资源的保护妥善处理废方,弃土尽量避免破坏或掩埋工程周边的海域、道路及其他场地设施。重视弃土场的复垦,在弃土堆顶面绿化。(6)现有公用设施的保护对于受本工程影响或正在受影响的一切公用设施怀结构物,在本工程施工期间采取一切适当措施加以保护。attentiontoimprovingthequalityandefficiencyofdevelopmentandpaymoreattentiontosecurityandreformthepeople"slivelihood,morefocusonmaintainingsocialharmonyandstability,andpromotethedevelopmentoftownshipeconomyinabetterandfaster,createanewnormalXXdevelopmentandlayamoresolidfoundationforXXbuildawell-offsociety.Completedtasksthisyear,wemustalwayspayspecialattentiontotheprimarytaskofdevelopment.XXweakeconomicbase,lowlevelsofdevelopment,economicconstructionistheCenter,wehavetocreateconditionsforfastereconomicdevelopment,accumulatingmorewealth,betterpeople"slives.Effortshouldbemadetothisyear"seconomicgrowth,revenuegrowth,peoplehavemaintainedahighrateofincomegrowth,GDPgrowthofmorethan15percentrespectively.Alwaysgraspthefundamentalimpetusforreform.Wearenow"nosoldiersbehind"manyindicatorsrankedinthebottomofthecountyfromgettingbigger.Onlybygoingallouttohardwork,hardwork,innovation,reformdoesnotadapttoinstitutionalmechanisms,practices,itispossibletochangethefaceofXXpoor,intoawell-offsocietytogetherwithpeopleacrossthecountry.Wewanttobreaktheoldpatternsofthinking,methodsandorganizationofwork,bravelyandboldlyinto,makingfulluseofalltheadvantages,comprehensivereforms,tomakeallitsvitalityfordevelopmentimpulse,letfullplaytoallsourcesofwealthcreation.Shouldalwaysstability119 靠近公用设施的开挖作业,要及时通知有关部门,并邀请有关部门代表在施工时到场。同时将上述通知与邀请的副本提交监理工程师备查。(7)泥浆排放措施本项目处于海边,故保护水质不受污染是一件意义十分重大的事。为防止钻孔中泥浆污染海域,本公司拟定制浆及泥浆循环系统,废渣及固体泥浆及时清运至泥浆场。第六章进度计划及施工总平面布置第一节施工进度计划attentiontoimprovingthequalityandefficiencyofdevelopmentandpaymoreattentiontosecurityandreformthepeople"slivelihood,morefocusonmaintainingsocialharmonyandstability,andpromotethedevelopmentoftownshipeconomyinabetterandfaster,createanewnormalXXdevelopmentandlayamoresolidfoundationforXXbuildawell-offsociety.Completedtasksthisyear,wemustalwayspayspecialattentiontotheprimarytaskofdevelopment.XXweakeconomicbase,lowlevelsofdevelopment,economicconstructionistheCenter,wehavetocreateconditionsforfastereconomicdevelopment,accumulatingmorewealth,betterpeople"slives.Effortshouldbemadetothisyear"seconomicgrowth,revenuegrowth,peoplehavemaintainedahighrateofincomegrowth,GDPgrowthofmorethan15percentrespectively.Alwaysgraspthefundamentalimpetusforreform.Wearenow"nosoldiersbehind"manyindicatorsrankedinthebottomofthecountyfromgettingbigger.Onlybygoingallouttohardwork,hardwork,innovation,reformdoesnotadapttoinstitutionalmechanisms,practices,itispossibletochangethefaceofXXpoor,intoawell-offsocietytogetherwithpeopleacrossthecountry.Wewanttobreaktheoldpatternsofthinking,methodsandorganizationofwork,bravelyandboldlyinto,makingfulluseofalltheadvantages,comprehensivereforms,tomakeallitsvitalityfordevelopmentimpulse,letfullplaytoallsourcesofwealthcreation.Shouldalwaysstability119 测量队进场校核导线点并放样标示各项目的施工范围,公司组织项目考察队进行现场考察。据现场考察,本工程住房问题采用移动工棚解决,从集美大桥管理站引水、电,电箱设置在U型槽施工范围旁边并引线进入工棚解决员工日常用电。由于桥涵工程工期长,应先组织施工,在K1+555人行天桥施工范围内发现有大量废弃土石方、垃圾,机械进场后立即组织清理至原地面,并从鳌山路施工场地引入施工用电,K1+340人行天桥、U型槽、框架桥场地杂草丛生,与K1+555人行天桥同时清表,从U型槽旁电箱引入施工用电。引进10台桩机,分别是两座人行天桥各2台、U型槽及框架桥每个节段各1台同时施工,需要工期3个月,在此期间路基、雨水工程在工作面互不影响的情况下同时施工,路基挖填土方及借土方大约133266.7方,考虑天气影响问题及工作面问题大约8个月能完成,雨水工程结合路基施工进行,大约9个月能完成。桥涵桩基达到强度后砍桩头,组织检测单位检测桩基完整性,如果检测出桩基不及格的应及时处理,检测合格后进入上部结构建筑。两座人行天桥与U型槽及框架桥交叉作业配合同时作业能节约劳动力并节省劳动时间,U型槽72m及框架桥73m各分为3个节段,施工时从泵房先施工,再从泵房连接的节段施工往两侧节段扩展施工。先做泵房,然后K2节段底板,再做K1、K3节段底板与K2节段顶板、侧墙同时施工。人行天桥工作面有限,工序复杂,应采用班组来回作业的方法错开混凝土凝固时间,按工序进行作业。每座天桥有12根墩柱,3个承台,6个梯台,两侧梯道及主梁。按正常情况计算,本工程能在10个月内完成。施工横道图详见后附页第二节施工平面布置说明1、临时设施的布置(1)根据本标段的地理位置,结合本标段施工特点,拟设置项目经理部、加工生产场地设在工程红线外。(2)各种临时设施、生产场地、施工便道等的布置情况详见“施工总平面布置图”。2、施工通道利用现有的交通通道作为施工机械、材料进场的通道。在施工期间视实际的需要增设施工便道,沿路线右侧红线边铺筑施工便道,各结构物施工点引入施工便道。3、施工用水、用电按施工平面中生产及加工厂场地,生活区的需要布设电力电网和用水管网。并配备必要的加压系统和水表。施工用电、生活用电从集美大桥管理站配电房分别引至U型槽、框架桥、K0+340人行天桥、钢筋加工场及项目部。施工用水从集美大桥匝道附近的水源接入。attentiontoimprovingthequalityandefficiencyofdevelopmentandpaymoreattentiontosecurityandreformthepeople"slivelihood,morefocusonmaintainingsocialharmonyandstability,andpromotethedevelopmentoftownshipeconomyinabetterandfaster,createanewnormalXXdevelopmentandlayamoresolidfoundationforXXbuildawell-offsociety.Completedtasksthisyear,wemustalwayspayspecialattentiontotheprimarytaskofdevelopment.XXweakeconomicbase,lowlevelsofdevelopment,economicconstructionistheCenter,wehavetocreateconditionsforfastereconomicdevelopment,accumulatingmorewealth,betterpeople"slives.Effortshouldbemadetothisyear"seconomicgrowth,revenuegrowth,peoplehavemaintainedahighrateofincomegrowth,GDPgrowthofmorethan15percentrespectively.Alwaysgraspthefundamentalimpetusforreform.Wearenow"nosoldiersbehind"manyindicatorsrankedinthebottomofthecountyfromgettingbigger.Onlybygoingallouttohardwork,hardwork,innovation,reformdoesnotadapttoinstitutionalmechanisms,practices,itispossibletochangethefaceofXXpoor,intoawell-offsocietytogetherwithpeopleacrossthecountry.Wewanttobreaktheoldpatternsofthinking,methodsandorganizationofwork,bravelyandboldlyinto,makingfulluseofalltheadvantages,comprehensivereforms,tomakeallitsvitalityfordevelopmentimpulse,letfullplaytoallsourcesofwealthcreation.Shouldalwaysstability119 4、项目经理部级管理人员住所采用搭设活动工棚于滨海路边空旷场地,并设置管理人员食堂、卫浴设施。项目部采取围挡封闭管理,另外,材料与机械可存放、停置于临设场地内。5、钢筋加工场设置于右匝道起点右侧边的场地上。attentiontoimprovingthequalityandefficiencyofdevelopmentandpaymoreattentiontosecurityandreformthepeople"slivelihood,morefocusonmaintainingsocialharmonyandstability,andpromotethedevelopmentoftownshipeconomyinabetterandfaster,createanewnormalXXdevelopmentandlayamoresolidfoundationforXXbuildawell-offsociety.Completedtasksthisyear,wemustalwayspayspecialattentiontotheprimarytaskofdevelopment.XXweakeconomicbase,lowlevelsofdevelopment,economicconstructionistheCenter,wehavetocreateconditionsforfastereconomicdevelopment,accumulatingmorewealth,betterpeople"slives.Effortshouldbemadetothisyear"seconomicgrowth,revenuegrowth,peoplehavemaintainedahighrateofincomegrowth,GDPgrowthofmorethan15percentrespectively.Alwaysgraspthefundamentalimpetusforreform.Wearenow"nosoldiersbehind"manyindicatorsrankedinthebottomofthecountyfromgettingbigger.Onlybygoingallouttohardwork,hardwork,innovation,reformdoesnotadapttoinstitutionalmechanisms,practices,itispossibletochangethefaceofXXpoor,intoawell-offsocietytogetherwithpeopleacrossthecountry.Wewanttobreaktheoldpatternsofthinking,methodsandorganizationofwork,bravelyandboldlyinto,makingfulluseofalltheadvantages,comprehensivereforms,tomakeallitsvitalityfordevelopmentimpulse,letfullplaytoallsourcesofwealthcreation.Shouldalwaysstability119'