外墙悬挑脚手架施工方案1

'alleviationcrucialfurtherdevelopmenttoacceleratetheprocessofwell-offsocietyhascreatedagreatopportunity.18sincetheCentralandprovincialpovertyalleviationanddevelopmentintotheoverallstrategicplanning,priorityand"firstproject",formulatedaseriesofpoliciesnowfocus,developmentmeasureshaveallbeenclear.Wewanttoseizetheopportunity,precisionapplicationstrategy,focuspunch,break"support...,Supportsthedevelopmentofoldrevolutionaryandaseriesofpolicymeasuresinareassuchasinfrastructure,publicservices,promotinghighstandards,support,andmoreopportunitiesforustoacceleratedevelopment,providegreatersupport.Fromprovincespolicyorientedsee,"1236"povertystorming,and"6873"trafficbreakthrough,and"6363"waterguarantees,majoractionspeedupimplementation,ecologicalsecuritybarrier,andlongEastenergychemicalbaseconstruction,majorstrategyintensiveintroduced,andprovincial"eightachange",and"eightaboth"andmunicipal"sixainto",and"sixbigsupport"ofdecisiondeployment,concentratedreleasehasmanypolicygood.InparticularGansuSilkRoadeconomicbeltofgoldandheritageofChinesecivilizationconstructionofadvancingtheinnovationzone,jingchuanbasedadvantage,createnodecitiesandprovideabroaderspaceincoreareas.FromICountyprojectresourcessee,nationalecologicalcivilizationpilotengineeringmodelCountyandcycleeconomicmodelCountytwoanationalprojectlandingimplementation,willincountryprovincelevelwonmoresupport;Pingliangtojingchuancityinterfastchannel,andxipingrailwaydoubletrack,majorprojectintoprovincesplate,willfurtherupgradeICountytraffichubandchanneleconomicstatus;paperBrigadeintegratedbody,andZhuJiaJianreservoir,andagriculturalPVpower,andgasutilization,andcommoditytradingandtheagriculturalwholesalemarket,andMilliontonnesofcontrolledatmospherefruitandfreezinganddryingfoodproductionline,anumberofmajorprojectsimplemented,handicap,LiuLihereservoirprojectworksmoothly,theseprojectsoriginatedfromthe"Twelve-Five"continuetoaccumulate,todeveloptheirpotentialinthe"Thirteen-Five"concentratedduringrelease.Orient,istodeepentheunderstandingofaccurate.Afteryearsoftherevision,developmentofjingchuanstandonanewhistoricalstartingpoint,featuresofeconomicandsocialdevelopmenthaschangedsignificantly.Comprehensiveconstructionofwell-offsocietyinenteringtheshowdowntowinstage,dualactionandpoorprecision,drivenbyCountypovertydroppedfrom37.5%to11.2%.Fullimplementationofthe"1+17","2+19"programme,ensurethetimelyrealizationofpoverty,poorpeopletoachievewell-offsociety,wemustbattletasks.Fromtheperspectiveofcurrentincome,poorvillage,thepoorgenerallylackstrongindustrialsupport,mostrelyonservicerevenue,alongwiththedeepeningofstructuralreform,lowskills,hardworkwillbecomeincreasinglydifficult,laborincomejumpmoreandmore第19页共19页外墙悬挑脚手架施工方案一、编制依据：1、建筑结构荷载规范GB50009-20012、建筑施工扣件式钢管脚手架安全技术规范JGJ130-2001二、工程概况及脚手架特点本工程建筑面积：51009.01m2。结构类型：框剪结构。层数：39#楼地下一层，地上二十八层，高度89.5m;40#楼为地下一层，地上二十四层，高度75.2m。一次搭设双排钢管脚架到顶，不能满足脚手架受力要求，且双排到顶的钢管脚手架一次性投入较大，为了节约投入以及保证安全，特做每六层一次的悬挑脚手，主体施工阶段每六层向上翻搭一次脚手。装修阶段每六层向下翻搭一次。该脚手架可以减少一次性的投入，但外脚手架增加一次的搭拆工作。该外挑脚手的适应范围广泛，就地取材，无需根据每个单体的特点特殊加工，搭设方便，布置灵活，一次性投入较少。（一）悬挑脚手架特点节点处理灵活，可根据实际需要灵活安排搭设高度，工作面安排灵活，节点经过处理后与一般外架的搭设完全相同。 alleviationcrucialfurtherdevelopmenttoacceleratetheprocessofwell-offsocietyhascreatedagreatopportunity.18sincetheCentralandprovincialpovertyalleviationanddevelopmentintotheoverallstrategicplanning,priorityand"firstproject",formulatedaseriesofpoliciesnowfocus,developmentmeasureshaveallbeenclear.Wewanttoseizetheopportunity,precisionapplicationstrategy,focuspunch,break"support...,Supportsthedevelopmentofoldrevolutionaryandaseriesofpolicymeasuresinareassuchasinfrastructure,publicservices,promotinghighstandards,support,andmoreopportunitiesforustoacceleratedevelopment,providegreatersupport.Fromprovincespolicyorientedsee,"1236"povertystorming,and"6873"trafficbreakthrough,and"6363"waterguarantees,majoractionspeedupimplementation,ecologicalsecuritybarrier,andlongEastenergychemicalbaseconstruction,majorstrategyintensiveintroduced,andprovincial"eightachange",and"eightaboth"andmunicipal"sixainto",and"sixbigsupport"ofdecisiondeployment,concentratedreleasehasmanypolicygood.InparticularGansuSilkRoadeconomicbeltofgoldandheritageofChinesecivilizationconstructionofadvancingtheinnovationzone,jingchuanbasedadvantage,createnodecitiesandprovideabroaderspaceincoreareas.FromICountyprojectresourcessee,nationalecologicalcivilizationpilotengineeringmodelCountyandcycleeconomicmodelCountytwoanationalprojectlandingimplementation,willincountryprovincelevelwonmoresupport;Pingliangtojingchuancityinterfastchannel,andxipingrailwaydoubletrack,majorprojectintoprovincesplate,willfurtherupgradeICountytraffichubandchanneleconomicstatus;paperBrigadeintegratedbody,andZhuJiaJianreservoir,andagriculturalPVpower,andgasutilization,andcommoditytradingandtheagriculturalwholesalemarket,andMilliontonnesofcontrolledatmospherefruitandfreezinganddryingfoodproductionline,anumberofmajorprojectsimplemented,handicap,LiuLihereservoirprojectworksmoothly,theseprojectsoriginatedfromthe"Twelve-Five"continuetoaccumulate,todeveloptheirpotentialinthe"Thirteen-Five"concentratedduringrelease.Orient,istodeepentheunderstandingofaccurate.Afteryearsoftherevision,developmentofjingchuanstandonanewhistoricalstartingpoint,featuresofeconomicandsocialdevelopmenthaschangedsignificantly.Comprehensiveconstructionofwell-offsocietyinenteringtheshowdowntowinstage,dualactionandpoorprecision,drivenbyCountypovertydroppedfrom37.5%to11.2%.Fullimplementationofthe"1+17","2+19"programme,ensurethetimelyrealizationofpoverty,poorpeopletoachievewell-offsociety,wemustbattletasks.Fromtheperspectiveofcurrentincome,poorvillage,thepoorgenerallylackstrongindustrialsupport,mostrelyonservicerevenue,alongwiththedeepeningofstructuralreform,lowskills,hardworkwillbecomeincreasinglydifficult,laborincomejumpmoreandmore第19页共19页不影响施工工序的安排与流水节拍，架子搭设与施工完全同步，可满足从主体到装饰整个施工过程的要求。（二）设计构思及工艺原理：整个体系由16号槽钢悬挑梁和斜拉Φ16圆钢和钢管扣件双排脚手架两部分组成。通过在钢砼墙上布置预留孔洞穿16号槽钢并斜拉Φ16圆钢为支撑体系承受双排架传下的荷载。按照附图三及附图四搭设槽钢支撑。所有单片的16号槽钢和Φ16圆钢支架通过双排脚手架形成一个空间体系协同受力，作为双排脚手架的受力支撑平台，承受整个搭设单元架子自重恒载和两排脚手架施工活载、部分风载。所有荷载由斜拉Φ16圆钢、槽钢支架传到结构上。每一个搭设单元的高度为10步架，步距为1.8米，搭设高度为18米，剪力撑满布，水平夹角宜在450--600之间，间距不超过18M；立杆及槽钢梁的间距不超过1.8m。结构施工时按一个单元布下的孔也可满足装修时几个单元同时施工以抢工期。 alleviationcrucialfurtherdevelopmenttoacceleratetheprocessofwell-offsocietyhascreatedagreatopportunity.18sincetheCentralandprovincialpovertyalleviationanddevelopmentintotheoverallstrategicplanning,priorityand"firstproject",formulatedaseriesofpoliciesnowfocus,developmentmeasureshaveallbeenclear.Wewanttoseizetheopportunity,precisionapplicationstrategy,focuspunch,break"support...,Supportsthedevelopmentofoldrevolutionaryandaseriesofpolicymeasuresinareassuchasinfrastructure,publicservices,promotinghighstandards,support,andmoreopportunitiesforustoacceleratedevelopment,providegreatersupport.Fromprovincespolicyorientedsee,"1236"povertystorming,and"6873"trafficbreakthrough,and"6363"waterguarantees,majoractionspeedupimplementation,ecologicalsecuritybarrier,andlongEastenergychemicalbaseconstruction,majorstrategyintensiveintroduced,andprovincial"eightachange",and"eightaboth"andmunicipal"sixainto",and"sixbigsupport"ofdecisiondeployment,concentratedreleasehasmanypolicygood.InparticularGansuSilkRoadeconomicbeltofgoldandheritageofChinesecivilizationconstructionofadvancingtheinnovationzone,jingchuanbasedadvantage,createnodecitiesandprovideabroaderspaceincoreareas.FromICountyprojectresourcessee,nationalecologicalcivilizationpilotengineeringmodelCountyandcycleeconomicmodelCountytwoanationalprojectlandingimplementation,willincountryprovincelevelwonmoresupport;Pingliangtojingchuancityinterfastchannel,andxipingrailwaydoubletrack,majorprojectintoprovincesplate,willfurtherupgradeICountytraffichubandchanneleconomicstatus;paperBrigadeintegratedbody,andZhuJiaJianreservoir,andagriculturalPVpower,andgasutilization,andcommoditytradingandtheagriculturalwholesalemarket,andMilliontonnesofcontrolledatmospherefruitandfreezinganddryingfoodproductionline,anumberofmajorprojectsimplemented,handicap,LiuLihereservoirprojectworksmoothly,theseprojectsoriginatedfromthe"Twelve-Five"continuetoaccumulate,todeveloptheirpotentialinthe"Thirteen-Five"concentratedduringrelease.Orient,istodeepentheunderstandingofaccurate.Afteryearsoftherevision,developmentofjingchuanstandonanewhistoricalstartingpoint,featuresofeconomicandsocialdevelopmenthaschangedsignificantly.Comprehensiveconstructionofwell-offsocietyinenteringtheshowdowntowinstage,dualactionandpoorprecision,drivenbyCountypovertydroppedfrom37.5%to11.2%.Fullimplementationofthe"1+17","2+19"programme,ensurethetimelyrealizationofpoverty,poorpeopletoachievewell-offsociety,wemustbattletasks.Fromtheperspectiveofcurrentincome,poorvillage,thepoorgenerallylackstrongindustrialsupport,mostrelyonservicerevenue,alongwiththedeepeningofstructuralreform,lowskills,hardworkwillbecomeincreasinglydifficult,laborincomejumpmoreandmore第19页共19页上升时，下单元向上升错开两步架（这样处理外架搭设不影响结构施工的连续性，具体见附图一所说明），在上单元槽钢支架平台处，搭设下单元双排架时，立杆在此处采用搭接接头，这样不用拆除下单元架子即可直接开始上单元的搭设，然后即可拆除下单元架子，材料上翻周转使用，具体见附图二。架子上翻使用后，下单元的部分斜撑杆可留下用于支设安全网并用于装修阶段架子下降时的操作平台。开始清理预留孔穿16号槽钢拆除对应下立杆（上伸阶段）斜拉Φ16圆钢续搭设双排架子结束单元交接处立杆处理、预留孔（上伸阶段）搭设架子至设计高度整个操作流程如下：（三）施工操作要点：上升时，上下单元交接错开处特别是上立杆间距，标高必须准确定位。 alleviationcrucialfurtherdevelopmenttoacceleratetheprocessofwell-offsocietyhascreatedagreatopportunity.18sincetheCentralandprovincialpovertyalleviationanddevelopmentintotheoverallstrategicplanning,priorityand"firstproject",formulatedaseriesofpoliciesnowfocus,developmentmeasureshaveallbeenclear.Wewanttoseizetheopportunity,precisionapplicationstrategy,focuspunch,break"support...,Supportsthedevelopmentofoldrevolutionaryandaseriesofpolicymeasuresinareassuchasinfrastructure,publicservices,promotinghighstandards,support,andmoreopportunitiesforustoacceleratedevelopment,providegreatersupport.Fromprovincespolicyorientedsee,"1236"povertystorming,and"6873"trafficbreakthrough,and"6363"waterguarantees,majoractionspeedupimplementation,ecologicalsecuritybarrier,andlongEastenergychemicalbaseconstruction,majorstrategyintensiveintroduced,andprovincial"eightachange",and"eightaboth"andmunicipal"sixainto",and"sixbigsupport"ofdecisiondeployment,concentratedreleasehasmanypolicygood.InparticularGansuSilkRoadeconomicbeltofgoldandheritageofChinesecivilizationconstructionofadvancingtheinnovationzone,jingchuanbasedadvantage,createnodecitiesandprovideabroaderspaceincoreareas.FromICountyprojectresourcessee,nationalecologicalcivilizationpilotengineeringmodelCountyandcycleeconomicmodelCountytwoanationalprojectlandingimplementation,willincountryprovincelevelwonmoresupport;Pingliangtojingchuancityinterfastchannel,andxipingrailwaydoubletrack,majorprojectintoprovincesplate,willfurtherupgradeICountytraffichubandchanneleconomicstatus;paperBrigadeintegratedbody,andZhuJiaJianreservoir,andagriculturalPVpower,andgasutilization,andcommoditytradingandtheagriculturalwholesalemarket,andMilliontonnesofcontrolledatmospherefruitandfreezinganddryingfoodproductionline,anumberofmajorprojectsimplemented,handicap,LiuLihereservoirprojectworksmoothly,theseprojectsoriginatedfromthe"Twelve-Five"continuetoaccumulate,todeveloptheirpotentialinthe"Thirteen-Five"concentratedduringrelease.Orient,istodeepentheunderstandingofaccurate.Afteryearsoftherevision,developmentofjingchuanstandonanewhistoricalstartingpoint,featuresofeconomicandsocialdevelopmenthaschangedsignificantly.Comprehensiveconstructionofwell-offsocietyinenteringtheshowdowntowinstage,dualactionandpoorprecision,drivenbyCountypovertydroppedfrom37.5%to11.2%.Fullimplementationofthe"1+17","2+19"programme,ensurethetimelyrealizationofpoverty,poorpeopletoachievewell-offsociety,wemustbattletasks.Fromtheperspectiveofcurrentincome,poorvillage,thepoorgenerallylackstrongindustrialsupport,mostrelyonservicerevenue,alongwiththedeepeningofstructuralreform,lowskills,hardworkwillbecomeincreasinglydifficult,laborincomejumpmoreandmore第19页共19页同一条边上相同标高的所有预留孔口应尽量保持在同一个水平平面内以利于体系的整体受力。平面上位于同一位置的预留孔上下应保证在同一竖直线上。留孔尺寸以不超过100×200mm为宜留孔结合剪力墙布筋，水平筋考虑弯起，以便于水平槽钢的拆换。上升阶段，上下单元交接处加上16号槽钢，由于仍然要利用下单元架子承受最上面的两步架（即上单元最底部的两步架）的荷载，所以不得同时拆除所有下单元立杆，必须等到上单元斜拉Φ16圆钢加好后方可大量拆除，从保证安全及不影响施工来考虑，宜采用上述工艺流程图所说明的方法操作，并按附图二中的详图所示及其说明对节点按要求进行处理，重点是Φ16圆钢的连接关系和杆件的更换、拆除顺序。上下单元转换处几处节点部位的钢管扣件布置建议按照所附详图及其说明所示的方式进行处理较为妥当，特别要注意连续关系及搭设顺序。所有槽钢及Φ16圆钢底部穿墙小横杆应按照附图三中所示在墙内侧（室内）进行限位加固以保证其不产生较大位移。墙柱上的留孔一般将很快随侧模的拆除露出。预留孔洞的布置方案：布置时应从阴阳角开始，其布置方法宜根据实际工程的结构形式、平立面样式的特点及施工组织的要求，以使留洞尽量少、外架结构处理简单方便、不影响施工的连续性为基本原则。详见附图四及其说明。外架使用过程中应安排专人随时对架子的钢管、扣件进行检查，重点是16号槽钢及斜拉Φ16圆钢支撑平台部位，并应随时对整个外架的整体及局部变形进行观测。其他如架子的拉结、坡道等均按一般双排架子的规范执行。（四）劳动组织施工人员全部为架子工，在单元交接时根据实际工作量组织少量人员将下单元立杆逐次换为水平槽钢即可，其他按一般脚手架搭设进行组织，并根据整个组织安排纳入总体施工组织。（五）质量标准尽量做到铅直以减少侧向推力产生的附加应力，提高整个架子的承载能力。使用的钢管扣件必须完好无损伤，螺丝必须拧紧(扣件螺栓拧紧扭力矩不小于40N·M，不大于65N·M)。平台上双排架的搭设质量要求按照一般钢管扣件双排脚手架的质量要求执行。（六）安全施工1、16号槽钢和Φ alleviationcrucialfurtherdevelopmenttoacceleratetheprocessofwell-offsocietyhascreatedagreatopportunity.18sincetheCentralandprovincialpovertyalleviationanddevelopmentintotheoverallstrategicplanning,priorityand"firstproject",formulatedaseriesofpoliciesnowfocus,developmentmeasureshaveallbeenclear.Wewanttoseizetheopportunity,precisionapplicationstrategy,focuspunch,break"support...,Supportsthedevelopmentofoldrevolutionaryandaseriesofpolicymeasuresinareassuchasinfrastructure,publicservices,promotinghighstandards,support,andmoreopportunitiesforustoacceleratedevelopment,providegreatersupport.Fromprovincespolicyorientedsee,"1236"povertystorming,and"6873"trafficbreakthrough,and"6363"waterguarantees,majoractionspeedupimplementation,ecologicalsecuritybarrier,andlongEastenergychemicalbaseconstruction,majorstrategyintensiveintroduced,andprovincial"eightachange",and"eightaboth"andmunicipal"sixainto",and"sixbigsupport"ofdecisiondeployment,concentratedreleasehasmanypolicygood.InparticularGansuSilkRoadeconomicbeltofgoldandheritageofChinesecivilizationconstructionofadvancingtheinnovationzone,jingchuanbasedadvantage,createnodecitiesandprovideabroaderspaceincoreareas.FromICountyprojectresourcessee,nationalecologicalcivilizationpilotengineeringmodelCountyandcycleeconomicmodelCountytwoanationalprojectlandingimplementation,willincountryprovincelevelwonmoresupport;Pingliangtojingchuancityinterfastchannel,andxipingrailwaydoubletrack,majorprojectintoprovincesplate,willfurtherupgradeICountytraffichubandchanneleconomicstatus;paperBrigadeintegratedbody,andZhuJiaJianreservoir,andagriculturalPVpower,andgasutilization,andcommoditytradingandtheagriculturalwholesalemarket,andMilliontonnesofcontrolledatmospherefruitandfreezinganddryingfoodproductionline,anumberofmajorprojectsimplemented,handicap,LiuLihereservoirprojectworksmoothly,theseprojectsoriginatedfromthe"Twelve-Five"continuetoaccumulate,todeveloptheirpotentialinthe"Thirteen-Five"concentratedduringrelease.Orient,istodeepentheunderstandingofaccurate.Afteryearsoftherevision,developmentofjingchuanstandonanewhistoricalstartingpoint,featuresofeconomicandsocialdevelopmenthaschangedsignificantly.Comprehensiveconstructionofwell-offsocietyinenteringtheshowdowntowinstage,dualactionandpoorprecision,drivenbyCountypovertydroppedfrom37.5%to11.2%.Fullimplementationofthe"1+17","2+19"programme,ensurethetimelyrealizationofpoverty,poorpeopletoachievewell-offsociety,wemustbattletasks.Fromtheperspectiveofcurrentincome,poorvillage,thepoorgenerallylackstrongindustrialsupport,mostrelyonservicerevenue,alongwiththedeepeningofstructuralreform,lowskills,hardworkwillbecomeincreasinglydifficult,laborincomejumpmoreandmore第19页共19页16圆钢是基本的受力结构，应注意对该处使用的钢管及扣件进行挑选，变形、磨损严重、扣不牢的不应使用。搭设过程中及搭设好应加强检查螺丝是否拧紧、扣件是否松动、杆件是否严重变形等。2、整个架子按高层脚手架的有关规定进行封闭、兜底、拉结，重点对槽钢横梁及斜拉Φ16圆钢进行验收挂牌。3、操作人员必须按规定佩带安全带。（七）钢管脚手架安装及拆除注意事项1、搭设高层金属钢管双排脚手架，应严格按有关规定要求操作；2、搭设前应严格进行钢管、扣件的筛选，凡严重锈蚀、薄壁、严重弯曲裂变的杆件禁止使用；3、高层脚手架钢管座于槽钢上，必须有地杆连接保护；4、不宜采用承插式钢管做底步立杆交错之用；5、所有立杆扣件紧固力矩应达到45—55N/m；6、同一立面的小横杆应对等交错设置，同时立杆上下对直；7、斜杆接长不宜采用对接扣件，应采用叠交方式，二只回转扣件接长，搭接间距二只扣件间隔不少于0.4米。8、脚手架拆除现场必须设警戒区域，张挂醒目的警戒标志。警戒区域严禁非操作人员通行或在脚手架下面继续组织施工。地面设监护人员。9、认真检查吊运机械包括索具是否安全可靠。10、如遇强风、雨、雪天气，严禁进行脚手架拆除；11、所有高处作业人员，应严格按高处作业规定执行和遵守安全纪律，拆除工艺要求；12、建筑所有的窗户必须关闭锁好，不允许向外开启和伸挑物件；13、拆除人员进入岗位后，先进行检查，加固松动部件，清除步层内留的材料、物件及垃圾。所有清理物应安全输送到地面，严禁高处抛掷；14、拆除顺序，按搭设的反程序进行拆除（既先搭后拆；后搭先拆）：安全网——竖挡笆——防护栏杆——搁栅——斜拉杆（Φ16圆钢）——连墙杆——大横杆——小横杆——立杆——槽钢；15、不允许分立面拆除或上、下二步同时拆除。认真做到一步一清，一杆一清；16、所有连墙杆、斜拉杆、登高措施必须随脚手架同步拆除。17、所有扣件与杆件在拆除时应分离，不允许杆件上附着扣件或两杆同时拆下输送到地面。 alleviationcrucialfurtherdevelopmenttoacceleratetheprocessofwell-offsocietyhascreatedagreatopportunity.18sincetheCentralandprovincialpovertyalleviationanddevelopmentintotheoverallstrategicplanning,priorityand"firstproject",formulatedaseriesofpoliciesnowfocus,developmentmeasureshaveallbeenclear.Wewanttoseizetheopportunity,precisionapplicationstrategy,focuspunch,break"support...,Supportsthedevelopmentofoldrevolutionaryandaseriesofpolicymeasuresinareassuchasinfrastructure,publicservices,promotinghighstandards,support,andmoreopportunitiesforustoacceleratedevelopment,providegreatersupport.Fromprovincespolicyorientedsee,"1236"povertystorming,and"6873"trafficbreakthrough,and"6363"waterguarantees,majoractionspeedupimplementation,ecologicalsecuritybarrier,andlongEastenergychemicalbaseconstruction,majorstrategyintensiveintroduced,andprovincial"eightachange",and"eightaboth"andmunicipal"sixainto",and"sixbigsupport"ofdecisiondeployment,concentratedreleasehasmanypolicygood.InparticularGansuSilkRoadeconomicbeltofgoldandheritageofChinesecivilizationconstructionofadvancingtheinnovationzone,jingchuanbasedadvantage,createnodecitiesandprovideabroaderspaceincoreareas.FromICountyprojectresourcessee,nationalecologicalcivilizationpilotengineeringmodelCountyandcycleeconomicmodelCountytwoanationalprojectlandingimplementation,willincountryprovincelevelwonmoresupport;Pingliangtojingchuancityinterfastchannel,andxipingrailwaydoubletrack,majorprojectintoprovincesplate,willfurtherupgradeICountytraffichubandchanneleconomicstatus;paperBrigadeintegratedbody,andZhuJiaJianreservoir,andagriculturalPVpower,andgasutilization,andcommoditytradingandtheagriculturalwholesalemarket,andMilliontonnesofcontrolledatmospherefruitandfreezinganddryingfoodproductionline,anumberofmajorprojectsimplemented,handicap,LiuLihereservoirprojectworksmoothly,theseprojectsoriginatedfromthe"Twelve-Five"continuetoaccumulate,todeveloptheirpotentialinthe"Thirteen-Five"concentratedduringrelease.Orient,istodeepentheunderstandingofaccurate.Afteryearsoftherevision,developmentofjingchuanstandonanewhistoricalstartingpoint,featuresofeconomicandsocialdevelopmenthaschangedsignificantly.Comprehensiveconstructionofwell-offsocietyinenteringtheshowdowntowinstage,dualactionandpoorprecision,drivenbyCountypovertydroppedfrom37.5%to11.2%.Fullimplementationofthe"1+17","2+19"programme,ensurethetimelyrealizationofpoverty,poorpeopletoachievewell-offsociety,wemustbattletasks.Fromtheperspectiveofcurrentincome,poorvillage,thepoorgenerallylackstrongindustrialsupport,mostrelyonservicerevenue,alongwiththedeepeningofstructuralreform,lowskills,hardworkwillbecomeincreasinglydifficult,laborincomejumpmoreandmore第19页共19页18、当日完工后，应仔细检查岗位周围情况，如发现隐患，要及时进行修复加固，方可离岗；19、所有输送至地面的杆件、扣件等物件，应分类堆放。二、附图及说明附图二：上下单元转换处节点处理示意说明：1)上下单元交接处立面图（图Ⅰ-Ⅰ alleviationcrucialfurtherdevelopmenttoacceleratetheprocessofwell-offsocietyhascreatedagreatopportunity.18sincetheCentralandprovincialpovertyalleviationanddevelopmentintotheoverallstrategicplanning,priorityand"firstproject",formulatedaseriesofpoliciesnowfocus,developmentmeasureshaveallbeenclear.Wewanttoseizetheopportunity,precisionapplicationstrategy,focuspunch,break"support...,Supportsthedevelopmentofoldrevolutionaryandaseriesofpolicymeasuresinareassuchasinfrastructure,publicservices,promotinghighstandards,support,andmoreopportunitiesforustoacceleratedevelopment,providegreatersupport.Fromprovincespolicyorientedsee,"1236"povertystorming,and"6873"trafficbreakthrough,and"6363"waterguarantees,majoractionspeedupimplementation,ecologicalsecuritybarrier,andlongEastenergychemicalbaseconstruction,majorstrategyintensiveintroduced,andprovincial"eightachange",and"eightaboth"andmunicipal"sixainto",and"sixbigsupport"ofdecisiondeployment,concentratedreleasehasmanypolicygood.InparticularGansuSilkRoadeconomicbeltofgoldandheritageofChinesecivilizationconstructionofadvancingtheinnovationzone,jingchuanbasedadvantage,createnodecitiesandprovideabroaderspaceincoreareas.FromICountyprojectresourcessee,nationalecologicalcivilizationpilotengineeringmodelCountyandcycleeconomicmodelCountytwoanationalprojectlandingimplementation,willincountryprovincelevelwonmoresupport;Pingliangtojingchuancityinterfastchannel,andxipingrailwaydoubletrack,majorprojectintoprovincesplate,willfurtherupgradeICountytraffichubandchanneleconomicstatus;paperBrigadeintegratedbody,andZhuJiaJianreservoir,andagriculturalPVpower,andgasutilization,andcommoditytradingandtheagriculturalwholesalemarket,andMilliontonnesofcontrolledatmospherefruitandfreezinganddryingfoodproductionline,anumberofmajorprojectsimplemented,handicap,LiuLihereservoirprojectworksmoothly,theseprojectsoriginatedfromthe"Twelve-Five"continuetoaccumulate,todeveloptheirpotentialinthe"Thirteen-Five"concentratedduringrelease.Orient,istodeepentheunderstandingofaccurate.Afteryearsoftherevision,developmentofjingchuanstandonanewhistoricalstartingpoint,featuresofeconomicandsocialdevelopmenthaschangedsignificantly.Comprehensiveconstructionofwell-offsocietyinenteringtheshowdowntowinstage,dualactionandpoorprecision,drivenbyCountypovertydroppedfrom37.5%to11.2%.Fullimplementationofthe"1+17","2+19"programme,ensurethetimelyrealizationofpoverty,poorpeopletoachievewell-offsociety,wemustbattletasks.Fromtheperspectiveofcurrentincome,poorvillage,thepoorgenerallylackstrongindustrialsupport,mostrelyonservicerevenue,alongwiththedeepeningofstructuralreform,lowskills,hardworkwillbecomeincreasinglydifficult,laborincomejumpmoreandmore第19页共19页）中注明的四只扣件分别为：下立杆与小横杆连、下立杆与大横杆连、上立杆与大横杆连、上立杆与踢脚杆连，不得违背。2)加斜拉Φ16圆钢前先将加进墙槽钢，加槽钢必须逐根进行。而后加斜拉Φ16圆钢并逐个检查斜拉Φ16圆钢结点，然后拆除对应部位的下立杆，对槽钢进行内外限位，即完成外架的单元转换，上述工作也必须逐根进行，如果下立杆妨碍槽钢的架设，可先拆除此根下立杆，注意不得同时拆除所有下立杆。 alleviationcrucialfurtherdevelopmenttoacceleratetheprocessofwell-offsocietyhascreatedagreatopportunity.18sincetheCentralandprovincialpovertyalleviationanddevelopmentintotheoverallstrategicplanning,priorityand"firstproject",formulatedaseriesofpoliciesnowfocus,developmentmeasureshaveallbeenclear.Wewanttoseizetheopportunity,precisionapplicationstrategy,focuspunch,break"support...,Supportsthedevelopmentofoldrevolutionaryandaseriesofpolicymeasuresinareassuchasinfrastructure,publicservices,promotinghighstandards,support,andmoreopportunitiesforustoacceleratedevelopment,providegreatersupport.Fromprovincespolicyorientedsee,"1236"povertystorming,and"6873"trafficbreakthrough,and"6363"waterguarantees,majoractionspeedupimplementation,ecologicalsecuritybarrier,andlongEastenergychemicalbaseconstruction,majorstrategyintensiveintroduced,andprovincial"eightachange",and"eightaboth"andmunicipal"sixainto",and"sixbigsupport"ofdecisiondeployment,concentratedreleasehasmanypolicygood.InparticularGansuSilkRoadeconomicbeltofgoldandheritageofChinesecivilizationconstructionofadvancingtheinnovationzone,jingchuanbasedadvantage,createnodecitiesandprovideabroaderspaceincoreareas.FromICountyprojectresourcessee,nationalecologicalcivilizationpilotengineeringmodelCountyandcycleeconomicmodelCountytwoanationalprojectlandingimplementation,willincountryprovincelevelwonmoresupport;Pingliangtojingchuancityinterfastchannel,andxipingrailwaydoubletrack,majorprojectintoprovincesplate,willfurtherupgradeICountytraffichubandchanneleconomicstatus;paperBrigadeintegratedbody,andZhuJiaJianreservoir,andagriculturalPVpower,andgasutilization,andcommoditytradingandtheagriculturalwholesalemarket,andMilliontonnesofcontrolledatmospherefruitandfreezinganddryingfoodproductionline,anumberofmajorprojectsimplemented,handicap,LiuLihereservoirprojectworksmoothly,theseprojectsoriginatedfromthe"Twelve-Five"continuetoaccumulate,todeveloptheirpotentialinthe"Thirteen-Five"concentratedduringrelease.Orient,istodeepentheunderstandingofaccurate.Afteryearsoftherevision,developmentofjingchuanstandonanewhistoricalstartingpoint,featuresofeconomicandsocialdevelopmenthaschangedsignificantly.Comprehensiveconstructionofwell-offsocietyinenteringtheshowdowntowinstage,dualactionandpoorprecision,drivenbyCountypovertydroppedfrom37.5%to11.2%.Fullimplementationofthe"1+17","2+19"programme,ensurethetimelyrealizationofpoverty,poorpeopletoachievewell-offsociety,wemustbattletasks.Fromtheperspectiveofcurrentincome,poorvillage,thepoorgenerallylackstrongindustrialsupport,mostrelyonservicerevenue,alongwiththedeepeningofstructuralreform,lowskills,hardworkwillbecomeincreasinglydifficult,laborincomejumpmoreandmore第19页共19页说明：在钢砼剪力墙上预留外架底部穿墙槽钢洞时，宜根据上述附图所示的水平杆件位置关系对孔洞的标高进行适当的调整。根据图示，阴阳角两边的穿墙槽钢应在相交处焊接。另外，由于阴阳角的特殊性，对阴阳角处，应增加如上图示划圈处斜Φ alleviationcrucialfurtherdevelopmenttoacceleratetheprocessofwell-offsocietyhascreatedagreatopportunity.18sincetheCentralandprovincialpovertyalleviationanddevelopmentintotheoverallstrategicplanning,priorityand"firstproject",formulatedaseriesofpoliciesnowfocus,developmentmeasureshaveallbeenclear.Wewanttoseizetheopportunity,precisionapplicationstrategy,focuspunch,break"support...,Supportsthedevelopmentofoldrevolutionaryandaseriesofpolicymeasuresinareassuchasinfrastructure,publicservices,promotinghighstandards,support,andmoreopportunitiesforustoacceleratedevelopment,providegreatersupport.Fromprovincespolicyorientedsee,"1236"povertystorming,and"6873"trafficbreakthrough,and"6363"waterguarantees,majoractionspeedupimplementation,ecologicalsecuritybarrier,andlongEastenergychemicalbaseconstruction,majorstrategyintensiveintroduced,andprovincial"eightachange",and"eightaboth"andmunicipal"sixainto",and"sixbigsupport"ofdecisiondeployment,concentratedreleasehasmanypolicygood.InparticularGansuSilkRoadeconomicbeltofgoldandheritageofChinesecivilizationconstructionofadvancingtheinnovationzone,jingchuanbasedadvantage,createnodecitiesandprovideabroaderspaceincoreareas.FromICountyprojectresourcessee,nationalecologicalcivilizationpilotengineeringmodelCountyandcycleeconomicmodelCountytwoanationalprojectlandingimplementation,willincountryprovincelevelwonmoresupport;Pingliangtojingchuancityinterfastchannel,andxipingrailwaydoubletrack,majorprojectintoprovincesplate,willfurtherupgradeICountytraffichubandchanneleconomicstatus;paperBrigadeintegratedbody,andZhuJiaJianreservoir,andagriculturalPVpower,andgasutilization,andcommoditytradingandtheagriculturalwholesalemarket,andMilliontonnesofcontrolledatmospherefruitandfreezinganddryingfoodproductionline,anumberofmajorprojectsimplemented,handicap,LiuLihereservoirprojectworksmoothly,theseprojectsoriginatedfromthe"Twelve-Five"continuetoaccumulate,todeveloptheirpotentialinthe"Thirteen-Five"concentratedduringrelease.Orient,istodeepentheunderstandingofaccurate.Afteryearsoftherevision,developmentofjingchuanstandonanewhistoricalstartingpoint,featuresofeconomicandsocialdevelopmenthaschangedsignificantly.Comprehensiveconstructionofwell-offsocietyinenteringtheshowdowntowinstage,dualactionandpoorprecision,drivenbyCountypovertydroppedfrom37.5%to11.2%.Fullimplementationofthe"1+17","2+19"programme,ensurethetimelyrealizationofpoverty,poorpeopletoachievewell-offsociety,wemustbattletasks.Fromtheperspectiveofcurrentincome,poorvillage,thepoorgenerallylackstrongindustrialsupport,mostrelyonservicerevenue,alongwiththedeepeningofstructuralreform,lowskills,hardworkwillbecomeincreasinglydifficult,laborincomejumpmoreandmore第19页共19页16圆钢。一般情况下，同一条边上的预留洞应尽量在同一标高上，并且为了便于上下单元的架子顺利连接，平面上位于同一位置的预留孔洞应尽量在同一竖直线上。预留洞的布置方案宜根据实际工程的特点及施工组织，以使留洞尽量少、外架结构处理简单方便为基本原则。一般情况下布洞宜从阴阳角开始。三、钢管扣件悬挑式外脚手架设计验算1)外架参数立杆横距b=0.9m,纵距L=1.5m,内立杆距墙b1=0.3m,步距h=1.8m，满铺竹笆脚手架10层，竹笆护栏10层。同时施工层数为两层，一次最大搭设高度10步架，详见本方案的“外架示意简图”。钢管为热轧Q235钢，正截面容许应力[σ]=215N/mm2，抗剪容许应力[τ]=125N/mm2，钢管截面抵抗矩ω=5078mm3，有效截面面积A=489mm2，截面惯性半径I=15.78mm，a类截面，E=2.06×105N/mm2；16号槽钢为热轧Q235钢，正截面容许应力[σ]=215N/mm2，抗剪容许应力[τ]=125N/mm2，钢管截面抵抗矩ω=1.168×105mm3，有效截面面积A=2515mm2，截面惯性半径I=61mm，a类截面，E=2.06×105N/mm2，2)荷载计算：钢管Φ48×3.5mm，重量38.5N/m，扣件：对接扣件18.4N/只，十字扣件为13.2N/只，转角扣件14.6N/只。竹脚手笆、护栏、安全网重量取180N/m2（根据建[2000]230号）。结构施工按二层同时作业计算，使用状况时按每层3KN/m2计算，装修施工按三层同时作业计算，使用状况时按每层2KN/m2计算。（1）恒载标准值： alleviationcrucialfurtherdevelopmenttoacceleratetheprocessofwell-offsocietyhascreatedagreatopportunity.18sincetheCentralandprovincialpovertyalleviationanddevelopmentintotheoverallstrategicplanning,priorityand"firstproject",formulatedaseriesofpoliciesnowfocus,developmentmeasureshaveallbeenclear.Wewanttoseizetheopportunity,precisionapplicationstrategy,focuspunch,break"support...,Supportsthedevelopmentofoldrevolutionaryandaseriesofpolicymeasuresinareassuchasinfrastructure,publicservices,promotinghighstandards,support,andmoreopportunitiesforustoacceleratedevelopment,providegreatersupport.Fromprovincespolicyorientedsee,"1236"povertystorming,and"6873"trafficbreakthrough,and"6363"waterguarantees,majoractionspeedupimplementation,ecologicalsecuritybarrier,andlongEastenergychemicalbaseconstruction,majorstrategyintensiveintroduced,andprovincial"eightachange",and"eightaboth"andmunicipal"sixainto",and"sixbigsupport"ofdecisiondeployment,concentratedreleasehasmanypolicygood.InparticularGansuSilkRoadeconomicbeltofgoldandheritageofChinesecivilizationconstructionofadvancingtheinnovationzone,jingchuanbasedadvantage,createnodecitiesandprovideabroaderspaceincoreareas.FromICountyprojectresourcessee,nationalecologicalcivilizationpilotengineeringmodelCountyandcycleeconomicmodelCountytwoanationalprojectlandingimplementation,willincountryprovincelevelwonmoresupport;Pingliangtojingchuancityinterfastchannel,andxipingrailwaydoubletrack,majorprojectintoprovincesplate,willfurtherupgradeICountytraffichubandchanneleconomicstatus;paperBrigadeintegratedbody,andZhuJiaJianreservoir,andagriculturalPVpower,andgasutilization,andcommoditytradingandtheagriculturalwholesalemarket,andMilliontonnesofcontrolledatmospherefruitandfreezinganddryingfoodproductionline,anumberofmajorprojectsimplemented,handicap,LiuLihereservoirprojectworksmoothly,theseprojectsoriginatedfromthe"Twelve-Five"continuetoaccumulate,todeveloptheirpotentialinthe"Thirteen-Five"concentratedduringrelease.Orient,istodeepentheunderstandingofaccurate.Afteryearsoftherevision,developmentofjingchuanstandonanewhistoricalstartingpoint,featuresofeconomicandsocialdevelopmenthaschangedsignificantly.Comprehensiveconstructionofwell-offsocietyinenteringtheshowdowntowinstage,dualactionandpoorprecision,drivenbyCountypovertydroppedfrom37.5%to11.2%.Fullimplementationofthe"1+17","2+19"programme,ensurethetimelyrealizationofpoverty,poorpeopletoachievewell-offsociety,wemustbattletasks.Fromtheperspectiveofcurrentincome,poorvillage,thepoorgenerallylackstrongindustrialsupport,mostrelyonservicerevenue,alongwiththedeepeningofstructuralreform,lowskills,hardworkwillbecomeincreasinglydifficult,laborincomejumpmoreandmore第19页共19页（a）一纵距内全高钢管重量：qk1=(6×1.8＋2×1.8)×12×38.5=6652.8N（b）一纵距内全高全部扣件重量：关键部位取双扣件qk2=(6×13.5＋2×18.5)×12＋10×14.5=1561N（c）一纵距内全高竹笆安全网重量：qk3=180×1.8×12=3880N（d）恒载标准值小计：qk=6652.8＋1561＋3880=12093.8N（1）施工活载标准值：两层同时施工gk=3×2×1.8×0.6=6.48KN（3）风荷载：Wk=K.μg.μz.Wo=0.7×0.8×2.34×0.55(上海地区)=0.7207KN/m2（建〖2000〗230号）（4）荷载设计值：荷载分项系数恒载取1.2，活载取1.4恒载：Q=12.093×1.2=14.5116KN活载：G=6.48×1.4=9.072KN另外在验算大小横杆时，分别对钢管扣件及施工活载乘上述分项系数。3)槽钢横梁平台受力分析及杆件内力计算： alleviationcrucialfurtherdevelopmenttoacceleratetheprocessofwell-offsocietyhascreatedagreatopportunity.18sincetheCentralandprovincialpovertyalleviationanddevelopmentintotheoverallstrategicplanning,priorityand"firstproject",formulatedaseriesofpoliciesnowfocus,developmentmeasureshaveallbeenclear.Wewanttoseizetheopportunity,precisionapplicationstrategy,focuspunch,break"support...,Supportsthedevelopmentofoldrevolutionaryandaseriesofpolicymeasuresinareassuchasinfrastructure,publicservices,promotinghighstandards,support,andmoreopportunitiesforustoacceleratedevelopment,providegreatersupport.Fromprovincespolicyorientedsee,"1236"povertystorming,and"6873"trafficbreakthrough,and"6363"waterguarantees,majoractionspeedupimplementation,ecologicalsecuritybarrier,andlongEastenergychemicalbaseconstruction,majorstrategyintensiveintroduced,andprovincial"eightachange",and"eightaboth"andmunicipal"sixainto",and"sixbigsupport"ofdecisiondeployment,concentratedreleasehasmanypolicygood.InparticularGansuSilkRoadeconomicbeltofgoldandheritageofChinesecivilizationconstructionofadvancingtheinnovationzone,jingchuanbasedadvantage,createnodecitiesandprovideabroaderspaceincoreareas.FromICountyprojectresourcessee,nationalecologicalcivilizationpilotengineeringmodelCountyandcycleeconomicmodelCountytwoanationalprojectlandingimplementation,willincountryprovincelevelwonmoresupport;Pingliangtojingchuancityinterfastchannel,andxipingrailwaydoubletrack,majorprojectintoprovincesplate,willfurtherupgradeICountytraffichubandchanneleconomicstatus;paperBrigadeintegratedbody,andZhuJiaJianreservoir,andagriculturalPVpower,andgasutilization,andcommoditytradingandtheagriculturalwholesalemarket,andMilliontonnesofcontrolledatmospherefruitandfreezinganddryingfoodproductionline,anumberofmajorprojectsimplemented,handicap,LiuLihereservoirprojectworksmoothly,theseprojectsoriginatedfromthe"Twelve-Five"continuetoaccumulate,todeveloptheirpotentialinthe"Thirteen-Five"concentratedduringrelease.Orient,istodeepentheunderstandingofaccurate.Afteryearsoftherevision,developmentofjingchuanstandonanewhistoricalstartingpoint,featuresofeconomicandsocialdevelopmenthaschangedsignificantly.Comprehensiveconstructionofwell-offsocietyinenteringtheshowdowntowinstage,dualactionandpoorprecision,drivenbyCountypovertydroppedfrom37.5%to11.2%.Fullimplementationofthe"1+17","2+19"programme,ensurethetimelyrealizationofpoverty,poorpeopletoachievewell-offsociety,wemustbattletasks.Fromtheperspectiveofcurrentincome,poorvillage,thepoorgenerallylackstrongindustrialsupport,mostrelyonservicerevenue,alongwiththedeepeningofstructuralreform,lowskills,hardworkwillbecomeincreasinglydifficult,laborincomejumpmoreandmore第19页共19页槽钢沿轴向的刚度远大于其横向刚度（条件是假定无整体变形及局部压杆失稳），根据实际受力特点对支撑体系进行受力简化，相应对节点简化后的计算简图见下页，各处支反力及杆件内力亦如图所示。计算时，N1、N2、N3为内外立杆均分荷载的情况。N11、N21、N31为考虑内外立杆承受荷载按内：外=0.64：0.36比例进行分配的情况，该情况在装修施工时可能出现，对杆件进行验算时，根据需要按大值取用。三角支架计算简图基本传力途径为：竹笆承载 alleviationcrucialfurtherdevelopmenttoacceleratetheprocessofwell-offsocietyhascreatedagreatopportunity.18sincetheCentralandprovincialpovertyalleviationanddevelopmentintotheoverallstrategicplanning,priorityand"firstproject",formulatedaseriesofpoliciesnowfocus,developmentmeasureshaveallbeenclear.Wewanttoseizetheopportunity,precisionapplicationstrategy,focuspunch,break"support...,Supportsthedevelopmentofoldrevolutionaryandaseriesofpolicymeasuresinareassuchasinfrastructure,publicservices,promotinghighstandards,support,andmoreopportunitiesforustoacceleratedevelopment,providegreatersupport.Fromprovincespolicyorientedsee,"1236"povertystorming,and"6873"trafficbreakthrough,and"6363"waterguarantees,majoractionspeedupimplementation,ecologicalsecuritybarrier,andlongEastenergychemicalbaseconstruction,majorstrategyintensiveintroduced,andprovincial"eightachange",and"eightaboth"andmunicipal"sixainto",and"sixbigsupport"ofdecisiondeployment,concentratedreleasehasmanypolicygood.InparticularGansuSilkRoadeconomicbeltofgoldandheritageofChinesecivilizationconstructionofadvancingtheinnovationzone,jingchuanbasedadvantage,createnodecitiesandprovideabroaderspaceincoreareas.FromICountyprojectresourcessee,nationalecologicalcivilizationpilotengineeringmodelCountyandcycleeconomicmodelCountytwoanationalprojectlandingimplementation,willincountryprovincelevelwonmoresupport;Pingliangtojingchuancityinterfastchannel,andxipingrailwaydoubletrack,majorprojectintoprovincesplate,willfurtherupgradeICountytraffichubandchanneleconomicstatus;paperBrigadeintegratedbody,andZhuJiaJianreservoir,andagriculturalPVpower,andgasutilization,andcommoditytradingandtheagriculturalwholesalemarket,andMilliontonnesofcontrolledatmospherefruitandfreezinganddryingfoodproductionline,anumberofmajorprojectsimplemented,handicap,LiuLihereservoirprojectworksmoothly,theseprojectsoriginatedfromthe"Twelve-Five"continuetoaccumulate,todeveloptheirpotentialinthe"Thirteen-Five"concentratedduringrelease.Orient,istodeepentheunderstandingofaccurate.Afteryearsoftherevision,developmentofjingchuanstandonanewhistoricalstartingpoint,featuresofeconomicandsocialdevelopmenthaschangedsignificantly.Comprehensiveconstructionofwell-offsocietyinenteringtheshowdowntowinstage,dualactionandpoorprecision,drivenbyCountypovertydroppedfrom37.5%to11.2%.Fullimplementationofthe"1+17","2+19"programme,ensurethetimelyrealizationofpoverty,poorpeopletoachievewell-offsociety,wemustbattletasks.Fromtheperspectiveofcurrentincome,poorvillage,thepoorgenerallylackstrongindustrialsupport,mostrelyonservicerevenue,alongwiththedeepeningofstructuralreform,lowskills,hardworkwillbecomeincreasinglydifficult,laborincomejumpmoreandmore第19页共19页大横杆（一般承受均布荷载局部可能承受集中荷载）小横杆承受大横杆集中荷载立杆槽钢及斜拉Φ16圆钢结构根据连接特征，立杆压弯构件，槽钢作为纯弯构件进行受力分析及抗剪分析。各处支反力及杆件内力如下：内外立杆均分R1=7.8606KNN1=5.83KNN2=11.791KNN3=11.791KNR2=5.834KNR3=斜拉Φ16圆钢一般不受力R4=16.764KN内外立杆承受荷载按：内：外=0.64：0.36R11=10.06KNN11=5.023KNN21=15.0925KNN31=8.4895KNR21=5.834KN alleviationcrucialfurtherdevelopmenttoacceleratetheprocessofwell-offsocietyhascreatedagreatopportunity.18sincetheCentralandprovincialpovertyalleviationanddevelopmentintotheoverallstrategicplanning,priorityand"firstproject",formulatedaseriesofpoliciesnowfocus,developmentmeasureshaveallbeenclear.Wewanttoseizetheopportunity,precisionapplicationstrategy,focuspunch,break"support...,Supportsthedevelopmentofoldrevolutionaryandaseriesofpolicymeasuresinareassuchasinfrastructure,publicservices,promotinghighstandards,support,andmoreopportunitiesforustoacceleratedevelopment,providegreatersupport.Fromprovincespolicyorientedsee,"1236"povertystorming,and"6873"trafficbreakthrough,and"6363"waterguarantees,majoractionspeedupimplementation,ecologicalsecuritybarrier,andlongEastenergychemicalbaseconstruction,majorstrategyintensiveintroduced,andprovincial"eightachange",and"eightaboth"andmunicipal"sixainto",and"sixbigsupport"ofdecisiondeployment,concentratedreleasehasmanypolicygood.InparticularGansuSilkRoadeconomicbeltofgoldandheritageofChinesecivilizationconstructionofadvancingtheinnovationzone,jingchuanbasedadvantage,createnodecitiesandprovideabroaderspaceincoreareas.FromICountyprojectresourcessee,nationalecologicalcivilizationpilotengineeringmodelCountyandcycleeconomicmodelCountytwoanationalprojectlandingimplementation,willincountryprovincelevelwonmoresupport;Pingliangtojingchuancityinterfastchannel,andxipingrailwaydoubletrack,majorprojectintoprovincesplate,willfurtherupgradeICountytraffichubandchanneleconomicstatus;paperBrigadeintegratedbody,andZhuJiaJianreservoir,andagriculturalPVpower,andgasutilization,andcommoditytradingandtheagriculturalwholesalemarket,andMilliontonnesofcontrolledatmospherefruitandfreezinganddryingfoodproductionline,anumberofmajorprojectsimplemented,handicap,LiuLihereservoirprojectworksmoothly,theseprojectsoriginatedfromthe"Twelve-Five"continuetoaccumulate,todeveloptheirpotentialinthe"Thirteen-Five"concentratedduringrelease.Orient,istodeepentheunderstandingofaccurate.Afteryearsoftherevision,developmentofjingchuanstandonanewhistoricalstartingpoint,featuresofeconomicandsocialdevelopmenthaschangedsignificantly.Comprehensiveconstructionofwell-offsocietyinenteringtheshowdowntowinstage,dualactionandpoorprecision,drivenbyCountypovertydroppedfrom37.5%to11.2%.Fullimplementationofthe"1+17","2+19"programme,ensurethetimelyrealizationofpoverty,poorpeopletoachievewell-offsociety,wemustbattletasks.Fromtheperspectiveofcurrentincome,poorvillage,thepoorgenerallylackstrongindustrialsupport,mostrelyonservicerevenue,alongwiththedeepeningofstructuralreform,lowskills,hardworkwillbecomeincreasinglydifficult,laborincomejumpmoreandmore第19页共19页R31=斜拉Φ16圆钢一般不受力R41=14.433KN4)扣件抗滑移能力：取单扣件抗滑移能力设计值为q=8.5KN（详见建设部建建[2000]230号文件，关于颁布《建筑施工附着升降脚手架管理暂行规定》的通知；），由于钢管底部直接蹲在槽钢上，考虑立杆的滑动，在槽钢上加焊5CM高Φ75的套管，立杆插入套管中；因此按图所示能满足要求，另外可利用穿墙螺栓孔用钢丝进行柔性拉接或其它方便的方法，具体可根据实际情况决定。5)立杆验算：取首步架对内外立杆荷载取大值验算，根据杆件的连接特征，立杆两端在大横杆约束下，界于“两端铰支”到“两端固定”之间（立杆与大横杆为十字扣件连接）。（1）某计算长度Lo=μ1×h，根据〖高层建筑施工手册〗（中国建筑工业出版社）中提供的计算方法，对本外架有a1=h/2L=0.729Lo=0.767×1.80=1.35m可推出长细比λo=Lo/i=85又Lh=h=1800mm可得λh=Lh/i=111 alleviationcrucialfurtherdevelopmenttoacceleratetheprocessofwell-offsocietyhascreatedagreatopportunity.18sincetheCentralandprovincialpovertyalleviationanddevelopmentintotheoverallstrategicplanning,priorityand"firstproject",formulatedaseriesofpoliciesnowfocus,developmentmeasureshaveallbeenclear.Wewanttoseizetheopportunity,precisionapplicationstrategy,focuspunch,break"support...,Supportsthedevelopmentofoldrevolutionaryandaseriesofpolicymeasuresinareassuchasinfrastructure,publicservices,promotinghighstandards,support,andmoreopportunitiesforustoacceleratedevelopment,providegreatersupport.Fromprovincespolicyorientedsee,"1236"povertystorming,and"6873"trafficbreakthrough,and"6363"waterguarantees,majoractionspeedupimplementation,ecologicalsecuritybarrier,andlongEastenergychemicalbaseconstruction,majorstrategyintensiveintroduced,andprovincial"eightachange",and"eightaboth"andmunicipal"sixainto",and"sixbigsupport"ofdecisiondeployment,concentratedreleasehasmanypolicygood.InparticularGansuSilkRoadeconomicbeltofgoldandheritageofChinesecivilizationconstructionofadvancingtheinnovationzone,jingchuanbasedadvantage,createnodecitiesandprovideabroaderspaceincoreareas.FromICountyprojectresourcessee,nationalecologicalcivilizationpilotengineeringmodelCountyandcycleeconomicmodelCountytwoanationalprojectlandingimplementation,willincountryprovincelevelwonmoresupport;Pingliangtojingchuancityinterfastchannel,andxipingrailwaydoubletrack,majorprojectintoprovincesplate,willfurtherupgradeICountytraffichubandchanneleconomicstatus;paperBrigadeintegratedbody,andZhuJiaJianreservoir,andagriculturalPVpower,andgasutilization,andcommoditytradingandtheagriculturalwholesalemarket,andMilliontonnesofcontrolledatmospherefruitandfreezinganddryingfoodproductionline,anumberofmajorprojectsimplemented,handicap,LiuLihereservoirprojectworksmoothly,theseprojectsoriginatedfromthe"Twelve-Five"continuetoaccumulate,todeveloptheirpotentialinthe"Thirteen-Five"concentratedduringrelease.Orient,istodeepentheunderstandingofaccurate.Afteryearsoftherevision,developmentofjingchuanstandonanewhistoricalstartingpoint,featuresofeconomicandsocialdevelopmenthaschangedsignificantly.Comprehensiveconstructionofwell-offsocietyinenteringtheshowdowntowinstage,dualactionandpoorprecision,drivenbyCountypovertydroppedfrom37.5%to11.2%.Fullimplementationofthe"1+17","2+19"programme,ensurethetimelyrealizationofpoverty,poorpeopletoachievewell-offsociety,wemustbattletasks.Fromtheperspectiveofcurrentincome,poorvillage,thepoorgenerallylackstrongindustrialsupport,mostrelyonservicerevenue,alongwiththedeepeningofstructuralreform,lowskills,hardworkwillbecomeincreasinglydifficult,laborincomejumpmoreandmore第19页共19页Mo=No×eo=No×(53+H/2000)=No×63.5mm=13.495×63.5=958.37N•M式中：Mo————No在立杆端部产生的等效弯矩。H————外架一次搭设高度，取H=21000mm，H/2000为H/2高度处垂直度搭设偏差。立杆承载能力有稳定性控制，利用钢结构压弯构件公式：N+βm.Mφ.Aγ.ω（1-0.85N/NE）≤[σ]=215N/mm2（1）式中：N————轴心压力（N）；M————等效弯矩（N/m）；βm————等效弯矩系数；φ————轴心受压构件稳定系数；γ————截面塑性发展系数，钢管取1.15；NE————欧拉临接力。 alleviationcrucialfurtherdevelopmenttoacceleratetheprocessofwell-offsocietyhascreatedagreatopportunity.18sincetheCentralandprovincialpovertyalleviationanddevelopmentintotheoverallstrategicplanning,priorityand"firstproject",formulatedaseriesofpoliciesnowfocus,developmentmeasureshaveallbeenclear.Wewanttoseizetheopportunity,precisionapplicationstrategy,focuspunch,break"support...,Supportsthedevelopmentofoldrevolutionaryandaseriesofpolicymeasuresinareassuchasinfrastructure,publicservices,promotinghighstandards,support,andmoreopportunitiesforustoacceleratedevelopment,providegreatersupport.Fromprovincespolicyorientedsee,"1236"povertystorming,and"6873"trafficbreakthrough,and"6363"waterguarantees,majoractionspeedupimplementation,ecologicalsecuritybarrier,andlongEastenergychemicalbaseconstruction,majorstrategyintensiveintroduced,andprovincial"eightachange",and"eightaboth"andmunicipal"sixainto",and"sixbigsupport"ofdecisiondeployment,concentratedreleasehasmanypolicygood.InparticularGansuSilkRoadeconomicbeltofgoldandheritageofChinesecivilizationconstructionofadvancingtheinnovationzone,jingchuanbasedadvantage,createnodecitiesandprovideabroaderspaceincoreareas.FromICountyprojectresourcessee,nationalecologicalcivilizationpilotengineeringmodelCountyandcycleeconomicmodelCountytwoanationalprojectlandingimplementation,willincountryprovincelevelwonmoresupport;Pingliangtojingchuancityinterfastchannel,andxipingrailwaydoubletrack,majorprojectintoprovincesplate,willfurtherupgradeICountytraffichubandchanneleconomicstatus;paperBrigadeintegratedbody,andZhuJiaJianreservoir,andagriculturalPVpower,andgasutilization,andcommoditytradingandtheagriculturalwholesalemarket,andMilliontonnesofcontrolledatmospherefruitandfreezinganddryingfoodproductionline,anumberofmajorprojectsimplemented,handicap,LiuLihereservoirprojectworksmoothly,theseprojectsoriginatedfromthe"Twelve-Five"continuetoaccumulate,todeveloptheirpotentialinthe"Thirteen-Five"concentratedduringrelease.Orient,istodeepentheunderstandingofaccurate.Afteryearsoftherevision,developmentofjingchuanstandonanewhistoricalstartingpoint,featuresofeconomicandsocialdevelopmenthaschangedsignificantly.Comprehensiveconstructionofwell-offsocietyinenteringtheshowdowntowinstage,dualactionandpoorprecision,drivenbyCountypovertydroppedfrom37.5%to11.2%.Fullimplementationofthe"1+17","2+19"programme,ensurethetimelyrealizationofpoverty,poorpeopletoachievewell-offsociety,wemustbattletasks.Fromtheperspectiveofcurrentincome,poorvillage,thepoorgenerallylackstrongindustrialsupport,mostrelyonservicerevenue,alongwiththedeepeningofstructuralreform,lowskills,hardworkwillbecomeincreasinglydifficult,laborincomejumpmoreandmore第19页共19页考虑将立杆上下相邻的小横杆跳杆布置，附加弯矩产生反向曲率，如右下图所示：相应βm=0.65＋0.35×（Mo/-Mo）=0.3<0.4取βm=0.4钢管Φ48×3.5，a类截面，由λ=87查表得φ=0.736NEo=π2EA/λ2=132.1KN取动力系数为1.2利用公式（1）计算：1.2×15.0925×103+1.2×0.4×15.0925×103×63.50.736×4891.15×5078×（1-0.8×15.0925/132.1）=137.02N/mm2<215N/mm2立杆满足要求。 alleviationcrucialfurtherdevelopmenttoacceleratetheprocessofwell-offsocietyhascreatedagreatopportunity.18sincetheCentralandprovincialpovertyalleviationanddevelopmentintotheoverallstrategicplanning,priorityand"firstproject",formulatedaseriesofpoliciesnowfocus,developmentmeasureshaveallbeenclear.Wewanttoseizetheopportunity,precisionapplicationstrategy,focuspunch,break"support...,Supportsthedevelopmentofoldrevolutionaryandaseriesofpolicymeasuresinareassuchasinfrastructure,publicservices,promotinghighstandards,support,andmoreopportunitiesforustoacceleratedevelopment,providegreatersupport.Fromprovincespolicyorientedsee,"1236"povertystorming,and"6873"trafficbreakthrough,and"6363"waterguarantees,majoractionspeedupimplementation,ecologicalsecuritybarrier,andlongEastenergychemicalbaseconstruction,majorstrategyintensiveintroduced,andprovincial"eightachange",and"eightaboth"andmunicipal"sixainto",and"sixbigsupport"ofdecisiondeployment,concentratedreleasehasmanypolicygood.InparticularGansuSilkRoadeconomicbeltofgoldandheritageofChinesecivilizationconstructionofadvancingtheinnovationzone,jingchuanbasedadvantage,createnodecitiesandprovideabroaderspaceincoreareas.FromICountyprojectresourcessee,nationalecologicalcivilizationpilotengineeringmodelCountyandcycleeconomicmodelCountytwoanationalprojectlandingimplementation,willincountryprovincelevelwonmoresupport;Pingliangtojingchuancityinterfastchannel,andxipingrailwaydoubletrack,majorprojectintoprovincesplate,willfurtherupgradeICountytraffichubandchanneleconomicstatus;paperBrigadeintegratedbody,andZhuJiaJianreservoir,andagriculturalPVpower,andgasutilization,andcommoditytradingandtheagriculturalwholesalemarket,andMilliontonnesofcontrolledatmospherefruitandfreezinganddryingfoodproductionline,anumberofmajorprojectsimplemented,handicap,LiuLihereservoirprojectworksmoothly,theseprojectsoriginatedfromthe"Twelve-Five"continuetoaccumulate,todeveloptheirpotentialinthe"Thirteen-Five"concentratedduringrelease.Orient,istodeepentheunderstandingofaccurate.Afteryearsoftherevision,developmentofjingchuanstandonanewhistoricalstartingpoint,featuresofeconomicandsocialdevelopmenthaschangedsignificantly.Comprehensiveconstructionofwell-offsocietyinenteringtheshowdowntowinstage,dualactionandpoorprecision,drivenbyCountypovertydroppedfrom37.5%to11.2%.Fullimplementationofthe"1+17","2+19"programme,ensurethetimelyrealizationofpoverty,poorpeopletoachievewell-offsociety,wemustbattletasks.Fromtheperspectiveofcurrentincome,poorvillage,thepoorgenerallylackstrongindustrialsupport,mostrelyonservicerevenue,alongwiththedeepeningofstructuralreform,lowskills,hardworkwillbecomeincreasinglydifficult,laborincomejumpmoreandmore第19页共19页6)水平16号槽钢验算:Φ16圆钢与水平槽钢的受力性能为纯弯杆件(按最保守计算,水平槽钢受力情况,及斜拉Φ16圆钢不受力情况),见附图Mx≦fγxWnx1.2×14.1492×106=138.446N/mm21.05×1.168×105138.446N/mm2≦215N/mm2完全能满足设计要求。16号槽钢抗剪验算：考虑施工时最不利情况即Φ16圆钢不受力情况，N≦[τ]A23.582×103=9.376N/mm225159.376N/mm2≦≦125N/mm2 alleviationcrucialfurtherdevelopmenttoacceleratetheprocessofwell-offsocietyhascreatedagreatopportunity.18sincetheCentralandprovincialpovertyalleviationanddevelopmentintotheoverallstrategicplanning,priorityand"firstproject",formulatedaseriesofpoliciesnowfocus,developmentmeasureshaveallbeenclear.Wewanttoseizetheopportunity,precisionapplicationstrategy,focuspunch,break"support...,Supportsthedevelopmentofoldrevolutionaryandaseriesofpolicymeasuresinareassuchasinfrastructure,publicservices,promotinghighstandards,support,andmoreopportunitiesforustoacceleratedevelopment,providegreatersupport.Fromprovincespolicyorientedsee,"1236"povertystorming,and"6873"trafficbreakthrough,and"6363"waterguarantees,majoractionspeedupimplementation,ecologicalsecuritybarrier,andlongEastenergychemicalbaseconstruction,majorstrategyintensiveintroduced,andprovincial"eightachange",and"eightaboth"andmunicipal"sixainto",and"sixbigsupport"ofdecisiondeployment,concentratedreleasehasmanypolicygood.InparticularGansuSilkRoadeconomicbeltofgoldandheritageofChinesecivilizationconstructionofadvancingtheinnovationzone,jingchuanbasedadvantage,createnodecitiesandprovideabroaderspaceincoreareas.FromICountyprojectresourcessee,nationalecologicalcivilizationpilotengineeringmodelCountyandcycleeconomicmodelCountytwoanationalprojectlandingimplementation,willincountryprovincelevelwonmoresupport;Pingliangtojingchuancityinterfastchannel,andxipingrailwaydoubletrack,majorprojectintoprovincesplate,willfurtherupgradeICountytraffichubandchanneleconomicstatus;paperBrigadeintegratedbody,andZhuJiaJianreservoir,andagriculturalPVpower,andgasutilization,andcommoditytradingandtheagriculturalwholesalemarket,andMilliontonnesofcontrolledatmospherefruitandfreezinganddryingfoodproductionline,anumberofmajorprojectsimplemented,handicap,LiuLihereservoirprojectworksmoothly,theseprojectsoriginatedfromthe"Twelve-Five"continuetoaccumulate,todeveloptheirpotentialinthe"Thirteen-Five"concentratedduringrelease.Orient,istodeepentheunderstandingofaccurate.Afteryearsoftherevision,developmentofjingchuanstandonanewhistoricalstartingpoint,featuresofeconomicandsocialdevelopmenthaschangedsignificantly.Comprehensiveconstructionofwell-offsocietyinenteringtheshowdowntowinstage,dualactionandpoorprecision,drivenbyCountypovertydroppedfrom37.5%to11.2%.Fullimplementationofthe"1+17","2+19"programme,ensurethetimelyrealizationofpoverty,poorpeopletoachievewell-offsociety,wemustbattletasks.Fromtheperspectiveofcurrentincome,poorvillage,thepoorgenerallylackstrongindustrialsupport,mostrelyonservicerevenue,alongwiththedeepeningofstructuralreform,lowskills,hardworkwillbecomeincreasinglydifficult,laborincomejumpmoreandmore第19页共19页7)预埋吊环验算:按最不利情况即Φ16圆钢不受力情况验算18.14KN≦27KN满足设计要求8)Φ16圆钢验算Φ16圆钢实际最大拉力为16.764KN斜拉钢筋采用Ⅰ级钢筋制作，埋入深度不应小于30d，并绑扎在结构主筋上。每个结点钢筋可按两个截面计算，吊环拉应力大于60N/mm2。Ag=16.764X103/2X60=139.7mm2选用Φ16圆钢，截面积为200.96mm2。139.7mm2<200.96mm2。满足要求。9)整体稳定性验算：外架的整体稳定按轴心受压格构式压杆进行验算，并考虑风荷载产生的水平作用。 alleviationcrucialfurtherdevelopmenttoacceleratetheprocessofwell-offsocietyhascreatedagreatopportunity.18sincetheCentralandprovincialpovertyalleviationanddevelopmentintotheoverallstrategicplanning,priorityand"firstproject",formulatedaseriesofpoliciesnowfocus,developmentmeasureshaveallbeenclear.Wewanttoseizetheopportunity,precisionapplicationstrategy,focuspunch,break"support...,Supportsthedevelopmentofoldrevolutionaryandaseriesofpolicymeasuresinareassuchasinfrastructure,publicservices,promotinghighstandards,support,andmoreopportunitiesforustoacceleratedevelopment,providegreatersupport.Fromprovincespolicyorientedsee,"1236"povertystorming,and"6873"trafficbreakthrough,and"6363"waterguarantees,majoractionspeedupimplementation,ecologicalsecuritybarrier,andlongEastenergychemicalbaseconstruction,majorstrategyintensiveintroduced,andprovincial"eightachange",and"eightaboth"andmunicipal"sixainto",and"sixbigsupport"ofdecisiondeployment,concentratedreleasehasmanypolicygood.InparticularGansuSilkRoadeconomicbeltofgoldandheritageofChinesecivilizationconstructionofadvancingtheinnovationzone,jingchuanbasedadvantage,createnodecitiesandprovideabroaderspaceincoreareas.FromICountyprojectresourcessee,nationalecologicalcivilizationpilotengineeringmodelCountyandcycleeconomicmodelCountytwoanationalprojectlandingimplementation,willincountryprovincelevelwonmoresupport;Pingliangtojingchuancityinterfastchannel,andxipingrailwaydoubletrack,majorprojectintoprovincesplate,willfurtherupgradeICountytraffichubandchanneleconomicstatus;paperBrigadeintegratedbody,andZhuJiaJianreservoir,andagriculturalPVpower,andgasutilization,andcommoditytradingandtheagriculturalwholesalemarket,andMilliontonnesofcontrolledatmospherefruitandfreezinganddryingfoodproductionline,anumberofmajorprojectsimplemented,handicap,LiuLihereservoirprojectworksmoothly,theseprojectsoriginatedfromthe"Twelve-Five"continuetoaccumulate,todeveloptheirpotentialinthe"Thirteen-Five"concentratedduringrelease.Orient,istodeepentheunderstandingofaccurate.Afteryearsoftherevision,developmentofjingchuanstandonanewhistoricalstartingpoint,featuresofeconomicandsocialdevelopmenthaschangedsignificantly.Comprehensiveconstructionofwell-offsocietyinenteringtheshowdowntowinstage,dualactionandpoorprecision,drivenbyCountypovertydroppedfrom37.5%to11.2%.Fullimplementationofthe"1+17","2+19"programme,ensurethetimelyrealizationofpoverty,poorpeopletoachievewell-offsociety,wemustbattletasks.Fromtheperspectiveofcurrentincome,poorvillage,thepoorgenerallylackstrongindustrialsupport,mostrelyonservicerevenue,alongwiththedeepeningofstructuralreform,lowskills,hardworkwillbecomeincreasinglydifficult,laborincomejumpmoreandmore第19页共19页格构式压杆有相邻连墙拉接点间的一个单元的水平杆件和立杆组成，本外架取竖向两步架高度的一倍立杆纵距为一个单元，利用[高层建筑施工手册]（中国建筑工业出版社）中提供的简易计算方法验算。相应水平及竖向荷载见右下图：风荷载分项系数取1.4q=1.4×L×W=1.4×3.6×0.7207=3.632KN/mM=qH2/8=4.88KN.mM/2bA=4.88/(2×0.6×2.515)=1.6169N/mm2N=1.2×47.164=56.596KN计算稳定系数φ： alleviationcrucialfurtherdevelopmenttoacceleratetheprocessofwell-offsocietyhascreatedagreatopportunity.18sincetheCentralandprovincialpovertyalleviationanddevelopmentintotheoverallstrategicplanning,priorityand"firstproject",formulatedaseriesofpoliciesnowfocus,developmentmeasureshaveallbeenclear.Wewanttoseizetheopportunity,precisionapplicationstrategy,focuspunch,break"support...,Supportsthedevelopmentofoldrevolutionaryandaseriesofpolicymeasuresinareassuchasinfrastructure,publicservices,promotinghighstandards,support,andmoreopportunitiesforustoacceleratedevelopment,providegreatersupport.Fromprovincespolicyorientedsee,"1236"povertystorming,and"6873"trafficbreakthrough,and"6363"waterguarantees,majoractionspeedupimplementation,ecologicalsecuritybarrier,andlongEastenergychemicalbaseconstruction,majorstrategyintensiveintroduced,andprovincial"eightachange",and"eightaboth"andmunicipal"sixainto",and"sixbigsupport"ofdecisiondeployment,concentratedreleasehasmanypolicygood.InparticularGansuSilkRoadeconomicbeltofgoldandheritageofChinesecivilizationconstructionofadvancingtheinnovationzone,jingchuanbasedadvantage,createnodecitiesandprovideabroaderspaceincoreareas.FromICountyprojectresourcessee,nationalecologicalcivilizationpilotengineeringmodelCountyandcycleeconomicmodelCountytwoanationalprojectlandingimplementation,willincountryprovincelevelwonmoresupport;Pingliangtojingchuancityinterfastchannel,andxipingrailwaydoubletrack,majorprojectintoprovincesplate,willfurtherupgradeICountytraffichubandchanneleconomicstatus;paperBrigadeintegratedbody,andZhuJiaJianreservoir,andagriculturalPVpower,andgasutilization,andcommoditytradingandtheagriculturalwholesalemarket,andMilliontonnesofcontrolledatmospherefruitandfreezinganddryingfoodproductionline,anumberofmajorprojectsimplemented,handicap,LiuLihereservoirprojectworksmoothly,theseprojectsoriginatedfromthe"Twelve-Five"continuetoaccumulate,todeveloptheirpotentialinthe"Thirteen-Five"concentratedduringrelease.Orient,istodeepentheunderstandingofaccurate.Afteryearsoftherevision,developmentofjingchuanstandonanewhistoricalstartingpoint,featuresofeconomicandsocialdevelopmenthaschangedsignificantly.Comprehensiveconstructionofwell-offsocietyinenteringtheshowdowntowinstage,dualactionandpoorprecision,drivenbyCountypovertydroppedfrom37.5%to11.2%.Fullimplementationofthe"1+17","2+19"programme,ensurethetimelyrealizationofpoverty,poorpeopletoachievewell-offsociety,wemustbattletasks.Fromtheperspectiveofcurrentincome,poorvillage,thepoorgenerallylackstrongindustrialsupport,mostrelyonservicerevenue,alongwiththedeepeningofstructuralreform,lowskills,hardworkwillbecomeincreasinglydifficult,laborincomejumpmoreandmore第19页共19页λo=μ.λ由b=1.05,h=3.6查表得μ=25则λo=167查表得φ=0.253N/4φA=114.36N/mm2114.36+4.75=119.11N/mm2双排架Ka=0.7,又架子高度小于25米，取Kb=0.8，则Ka×Kb×σ=0.7×0.8×215=120.4N/mm2＞119.11N/mm2即整体稳定性满足要求。整个外架在上述条件下能够满足施工要求，实际上外架为一空间体系，计算中未考虑整个外架的空间协同作用，它将成为外架的安全储备。'