命题考点八 《建筑地基基础工程施工质量验收规范》中的相关规定

'命题考点八《建筑地基基础工程施工质量验收规范》中的相关规定1A430000buildingengineeringregulationsandrelatedknowledge1A430000buildingengineeringregulationsandrelatedknowledgechapterexercisesonlinetestPropositiontestsiteeight"constructionfoundationconstructionqualityacceptancespecification"intherelevantprovisions[textbookinterpretation]First,foundation1.limesoilfoundation,sandandgravelfoundation(1)intheconstructionprocess,thethicknessoflayeredlaying,thelaplengthoftwolayersonthetopandbottom,theamountofwateraddedduringtamping,thetimesofcompactionandcompaction,andthecompactioncoefficientshouldbecheckedintheconstructionprocess.(2)afterconstruction,thebearingcapacityoflimesoilfoundation,sandandsandgravelfoundationshouldbetested.2.geosyntheticsFoundationIntheconstructionprocess,thethicknessandsmoothnessofthebaseandbackfilling,thelayingdirectionofthegeosynthetics,thelapjointlengthorthejointcondition,and theconnectionstatusofthegeosyntheticsandthestructureshouldbeinspected.3.FlyAshFoundationIntheconstructionprocess,thelayingthickness,rollingtimes,constructionwatercontentcontrol,overlapzonerollingdegreeandcompactioncoefficientshouldbechecked.4.DynamicConsolidationFoundation(1)beforeconstruction,theweight,size,fallingdistancecontrolmeans,drainagefacilitiesandthesoilqualityoftherammedfoundationshouldbechecked.(2)thedistance,tampingtimes,tampingpointlocationandtampingrangeshouldbecheckedduringconstruction.(3)aftercompletionofconstruction,checkthestrengthoframmedfoundationandcarryoutbearingcapacitytest.5.preloadingFoundation(1)theconstructionmonitoringmeasures,settlement,porewaterpressureandotherrawdata,drainagefacilities,sandwells(includingbagsandwells)andplasticdrainagebeltsshouldbecheckedbeforeconstruction.(2)loadingheightandsettlementrateshouldbecheckedduringsurchargepreloading.Thesealingperformanceofvacuumsealingfilmandthereadingofvacuumgaugeshouldbechecked invacuumpreloadingconstruction.(3)aftercompletionofconstruction,thestrengthoffoundationsoilandotherphysicalandmechanicalindexesshouldbechecked,andthefoundationofimportantbuildingsshouldbetestedforbearingcapacity.6.cementsoilmixingpilefoundation(1)theliftingspeedofthehead,theamountofcementorcement,thelengthofthemixingpileandtheelevationshouldbecheckedintheconstruction.(2)afterconstruction,thestrengthofpilebody,thediameterofpileandthebearingcapacityoffoundationshouldbechecked.(3)whenthestrengthtestiscarriedout,thespecimensofbearingcementsoilmixingpileshouldbetaken90d,andthespecimensafter28dshouldbetakenforthecementsoilmixingpile.Two,pilefoundation1.staticpile(1)thepressure,theverticalityofpile,theintermittenttimeofpileconnection,thequalityofpileconnectionandthedepthofindentationshouldbecheckedintheprocessofpilepressing.Theimportantprojectshoulddothe10%flawdetectionforthejointoftheweldingpile.Itisnecessary tostrengthentheobservationofthecounterforcestructure.(2)afterthecompletionofconstruction,thebearingcapacityofpileandthequalityinspectionofpileshouldbedone.2.pretensionedprestressedpipepile(1)intheprocessofconstruction,weshouldcheckthepenetrationofpile,theintegrityofpiletop,thequalityofweldingpile,theverticalityofpile,andtheresttimeafterwelding.Theimportantprojectshouldbedonewith10%Xrayweldingseaminspectionforweldingjoint.(2)afterthecompletionoftheconstruction,thebearingcapacitytestandthepilequalityinspectionshouldbecarriedout.3.precastconcretepile(1)inconstruction,theverticalityofpile,thesituationofpilesinking,theintegrityofpiletopandthequalityofpileshouldbechecked,andthe10%Xrayradiographyinspectionshouldbedoneforthepileandtheimportantproject.(2)afterthecompletionoftheconstruction,thebearingcapacityandpilequalityshouldbetested.(3)thehammeringpilewithlongpileortotalhammeringnumberover500shouldaccordwiththetwoconditionsofpilestrengthand28dagetohammer. 4.concretefillingpile(1)inresponsetotheconstructionofthehole,slag,steelreinforcementcage,concretepouringandplacedthewholeprocessinspection,reinspectionZhuangshangartificialdiggingholebottombearinglayerofsoil(rock).Lithologyreportofrocksocketedpilemusthavebearingstratumatpileend.(2)afterconstruction,theconcretestrengthshouldbechecked,andthequalityandbearingcapacityofthepileshouldbetested.Three.Earthwork(1)intheprocessofearthworkexcavation,theplaneposition,horizontalelevation,slopegradient,compactiondegree,drainageandgroundwaterlevelsystemshouldbechecked,andthesurroundingenvironmentalchangesshouldbeobservedatanytime.(2)intheprocessofearthworkbackfilling,thedrainagemeasuresshouldbechecked,aswellasthefillingthickness,watercontentcontrolandcompactiondegreeofeachlayer.Four.FoundationPitEngineering(1)theorderandmethodofearthworkexcavationmustbeconsistentwiththedesignconditions,andfollowtheprincipleof"slottedsupport,firstsupportandthendig,layeredexcavation,ultraexcavation". (2)theearthworkacceptanceoffoundationpit(trench)andpipetrenchmustbebasedonensuringthesafetyofsupportstructureandthesafetyofsurroundingenvironment.[propositiontestpoint]Thefoundationofsandandgravelfoundationconstructionprocessshouldcheckthecontents;checktheflyashfoundationintheconstructionprocess;cementmixingpilefoundationshouldbecheckedintheconstructionprocess;staticpile,precastconcretepileandconcretepileintheconstructionprocessshouldcheckthecontentsofsoillayerthicknessandcompaction;duringtheconstructionofthenumberoftimes;thevalueofpitdeformationmonitoring.[analysisandprediction](1)accordingtothematerialsprovided,analyzeandjudgewhatcontentsshouldbeinspectedduringtheconstructionofthebase.(2)accordingtothematerialsprovided,analysisandjudgmentofstaticpile,concreteprecastpile,concretefillingpileconstructionintheprocessofinappropriate.(3)accordingtotheinformationoffillingcompactionmachine,thelayeredthicknessandcompactiontimesoffillingconstructionareanalyzedandjudged.(4)accordingtothetypeoffoundationpitmaterial,analysis anddeterminethemonitoringvalueofthedeformationofthefoundationpitshouldbehowmuch.[reviewofquestions][2010annualexam]Thestatementabouttheconstructionoffoundationpitsupportiscorrect.TheA.boltsupportprojectshouldfollowtheprincipleofsectionalexcavationandsectionalsupport,andadoptthemethodofonceexcavationandthensupportWhentheB.designisnotspecified,themaximumsettlementmonitoringvalueofthetwogradefoundationpitsupportshouldbe8cmWhentheconcretesupportsystemisadoptedinC.,thenormaloperationofthewholesystemshouldbemaintaineduntilthesupportingsurfaceisfinishedThefoundationpitsupportedbymultirowinnersupportandrowpilewallisadoptedinD.,andthesupportshouldbetimelyafterexcavation[answer]Dsubjectassessmentistheconstructionrequirementsoffoundationpitsupport.Undernormalcircumstances,theanchorandsoilnailingwallsupportingprojectshouldfollowtheprincipleofsectionalexcavationandsectionalsupport,whichisnotsuitablefortheconstructionaftertheexcavation onceagain.Thefoundationpitsupportedbyrowpilewallshouldbetimelysupportedafterexcavation,andeachsupportingconstructionshouldensurethedeformationofthefoundationpitwithinthecontrolrangeofthedesignrequirements.Aftertheendoftheconcretesupportsystemisinstalled,thenormaloperationofthewholesystemshouldbemaintaineduntilthesupportiscompletelydismantled.Foundationpit(trench)andtrenchearthworkacceptancemustbetoensurethesafetyofsupportstructureandthesafetyofsurroundingenvironmentasthepremise.Whenthedesignhasindicators,basedonthedesignrequirements.[typicalexercises]1.accordingtothe"codeforconstructionqualityacceptanceofbuildingfoundationengineering",theallowabledeviationofpilelocationis().A.grouppiles20mmandsinglerowpiles20mmB.grouppiles10mmandsinglerowpiles20mmC.grouppiles20mmandsinglerowpiles10mmD.grouppiles10mmandsinglerowpiles10mm2.pilebearingcapacitytest,theleveloffoundationdesignforclassorcomplexgeologicalconditions,pilepilequalityandlowreliability,shouldusethemethodofstaticloadtest,testpilenumbershouldnotbelessthanthetotalnumberof(). A.1%B.2%C.3%D.4%3.accordingtothe"codeforconstructionqualityacceptanceofbuildingfoundationengineering",itisnotbelongtothefirstgradefoundationpit.A.importantengineeringorsupportingstructureaspartofthemainstructureTheexcavationdepthofB.islessthan10mC.andadjacentbuildings,importantfacilitiesintheexcavationdepthwithinthedistanceofthefoundationpitD.foundationpitwithhistoricalrelics,modernoutstandingbuildings,importantpipelinesandotherneedstobestrictlyprotectedfoundationpit[answer]1.C2.A3.B'