中英文-分項(xiàng)工程施工方案

Construction旋挖樁施 沖孔樁施 鉆孔樁施 旋噴樁施 攪拌樁施 連續(xù) 咬合樁施 微型 袖閥管注 土 人工挖孔 強(qiáng) 鋼筋砼結(jié) 噴射 Rotarydrillingpile Punchingpile Boringpile Jetgroutingpile Boringandbottom-enlargingpile Mixingpile Prestressingtendon Diaphram Secantpile Micro sleeve-valve-pipe Soil Manuallyexcavated d Reindconcrete Sprayed Rotarydrillingpile一、施工前期準(zhǔn)PreliminarypreparationsforSiteSitelevelingshallreachtheareawheremechanicalconstructionwillbeavailable.Earthrecementshallbeconductedincasethepileisclosetostoneorconstructionwaste.道，以利于樁機(jī)場內(nèi)行走和混凝土車、鋼筋車交叉施工。RoadItisnecessarytorationallyarrangetheconstructionsiteandnthedriverouteaccordingtodesignrequirements,makingshortcutsapartfromtheporesoasnottoaffectthestabilityoftheporewall;layathicklayerofgravelonthegroundmadeofmiscellaneousfillingstomakeitconstructionshortcutssoastofacilitatepiledriverwalkingandcrossoverconstructionofconcretetrucksandreinmenttrucks.Beforeconstruction,ProjectManager’sDepartmentshallorganizerelevantneltoparticipateindesignclarificationsoas efamiliarwithdrawingsandprojectgeologicalMeasurementsetting-Itisnecessarytocompletesiteconstructionmeasurementsetting-out,settingoutstructuralaxisandpileporelocationandconductingchecksoastoavoiderrorsandomissions.Thelargenumberofpilesandcomplexprocessesrequiremoremeasurementpointsavailablesoastoserverepeatedly.二、旋挖樁施工工藝流Rotarydrillingpileconstruction清清排Rotarydrillingpileconstructionprocess各項(xiàng)施工準(zhǔn)備工作（包括換填Variouspreparationsforconstruction(includingearthrecement)Pilelocationsetting-outEmbeddingcastingDrillingriginceRotarydrillingBorecleaningMeasuringporedepth,poresizeandverticality mentcageinstallationInstallingconduitsSecondaryborecleaningConduitPullingoutBoremouthearthrecementPiletopearthworkexcavationRemovingpiletip泥漿泥漿LayingslurrypoolDiggingslurryditchSlurrypreparationReinmentcageConduittrialassemblyandtightnesstestSlurrypreparationCommercialconcretebookingandshipmenttotheSlurrydischargingSlurrysortingWasteslurryabandoningTestblocksamplingTestblockcuringTestblockTopbeam三、旋挖鉆孔灌注樁施工方Rotarydrilledandboredpileconstruction放樣。鉆機(jī)施工前需要放出準(zhǔn)確的樁位線，依據(jù)設(shè)計圖紙的樁位進(jìn)量放線，300mm，樁上定出樁位中心，并用“十字栓樁法”做好標(biāo)識，并加以保護(hù)。會同有關(guān)人員對軸線、樁位進(jìn)量復(fù)核，并做出復(fù)核記錄，經(jīng)復(fù)核確認(rèn)樁位的軸線正確無誤，并做好管線物AxisandpilesurveyItisnecessarytocompletepilepositionsetting-out“fromoveralltopartial”accordingtoconstructiondrawingsandmeasurementcontrolnetworkinformation.Itisnecessarytocompletepilepositionsetting-outbeforedrillingrigconstruction,andsurveysetting-outinaccordancewithpilelocationinthedesigndrawings,setpilelocationwithtotalstation,completewoodpileorreinmentpileinthepilelocationpoint,withadepthof300mm,setthecenteronthepileandmarkitwith“crossboltpile”andprotectit.Itisnecessarytohavesurveyreviewinconjunctionwithrelevant nelontheaxisandpile,andmakereviewrecords,confirmthepileaxisiscorrect,andcompleteundergroundpipelinegeophysicalprospectingbeforeembeddingcastingembedding.1～2m，再用旋挖樁機(jī)將1.5m4～6mm0.3cm2cm1%CasingItisnecessarytofindthecenterofthesteelcasing,arrangeacrossinglineatthesteelcasingtoporbottom,movethesteelcasingtomakeitscentercoincidewiththecenterofthedrillingrigpore,havetherotarydrillingrigdrive1~2mandthenusetherotarydrillingpiledrivertodrivethesteelcasingintothepilepore.Casinglengthshould1.5minthickness,madeof4~6mmsteelte.Itisnecessarytohavetheupperendofthecasing0.3cmabovetheconstructionground,thecenterofthecasingandthepilehaveadeviation≤2cm,andusealevelbarorplumbbobtocheckthesteelcasingandmakeitstraight,itsverticaltiltnotbegreaterthan1%.4～6mm150mm，1.5m0.3cm。此后即在鋼護(hù)筒周圍對稱地、均勻地回填最佳含水量的300～500mm厚度的粘土后，再安放護(hù)筒，以免護(hù)筒底口處滲漏，為防止地表水順筒壁外Thecasingshouldbemadeof4~6mmthicksteeltewithitsporesize150mmgreaterthanthepilepore,1.5minlength,itsupperend0.3cmabovetheconstructionground.Then,itisnecessarytosymmetricallyandevenlybackfillaroundthesteelcasingwithclaywiththeoptimummoisture,ramitfirminlayerssoastoachievethebestdensitysoastoensureitsverticalityandtopreventslurryloss,discementorfalling.Incasethatthesubstrateofcasingisnotcohesivesoil,itisnecessarytoenlargethedepthorrecethesoil,backfillthebottomoftheporewithclay300~500mminthicknessandramitfirmbeforecasingsettingsoastoavoidcollapseorleakageofitsbottommouth.Topreventsurfacewaterinfiltrationalongthecastingwall,itisnecessarytobackfillbetweenitsexteriorandtheoriginalsoilwithclayinlayers,ramitform.Inramming,itisnecessarytopreventthedeflectionofthesteelcasing.Longercasingsshallbehandledwithhammering,pressurevibrationorsoilremoval.Thecasinguppermouthshouldbesymmetricallyformedwithwoodenblockssoastopreventsinking.膨潤土：純堿＝：： 和，開孔時泥漿應(yīng)控制在～，在容易塌孔的土層中成孔時，泥漿比重應(yīng)加大至～ ，當(dāng)成孔至粘土層時應(yīng)注入清水，以原土造漿護(hù)壁，泥漿應(yīng)控制在～。泥漿的其它控制指標(biāo)為粘度～s；含砂率不大于％；膠體率不小于％。施工中應(yīng)經(jīng)常測定泥漿的、粘度、含砂率和膠體率。為了SlurrypreparationandperformanceSlurrypreparationisrelativelysimple,thatis,completedwithitsowndeviceandslurry-makingmachine.Inconstruction,itisnecessarytoselectbentoniteorclaywithhydrationproperties,highslurryrateandlesssand,water:bentonite:soda=::.Inconstruction,itisnecessarytocompleteslurryfiltrationtreatment,ensureslurryconsistencyandspecificgravity,controltheslurryweightwithin～.Inporinginthesoileasytocollapse,itisnecessarytoincreasetheslurryweightweightcontrolledwithin～.Itisnecessarytohaveothercontrolindicatorsofslurryas:viscosity:～s;sandcontent:notmorethan%;colloidalrate:notthan%.Inconstruction,itisnecessarytomeasureslurryspecificgravity,viscosity,sandrateandcolloidrate.Tomaketheslurryhavegoodtechnicalperformances,itisnecessarytoaddarightamountofadditivesintotheslurry.Slurryperformanceindicatorsandtestingmethodsareshowninthetablebelow: Performance1RelativeIn~Relativedensitycesubject~粘土層Clay~2 500cc/700ccFunnel3Sand Sandrate4Colloid 2cmDrillingrigBeforetherigisince,itisnecessarytocheckrigperformanceandsupportingshouldbeaescopicautomaticlevelingdevice,withaninstrumenttoaccuraydisye-readinginthecontrolroom.Whenthedrillbitisinlinewiththepilecrosscenter,variousdatacanbelockedanditisnotnecessarytomakeanyadjustment.Whentherigisince,thebitcentershouldbeinlineaccuraywiththeerrorcontrolinlessthan2cm.Rotarydrillingriggenerallyadoptsthehosebit.Whenthebitdropstothedesireddepthinthehose,itisnecessarytorotateandpressthebitandtosqueezetherotatedsoilintothehose.Whenthehoseisfilledwithmud,itisnecessarytoreversethebitandcloseitsbottom,automaticallyturnontheswitchonthebitbottomandpouroutthewaste孔時至旋挖至5-8m的過程，要注意通過控制盤來垂直度，偏差及Whentherigisinceandslurryiswellprepared,itisnecessarytostartdrillingwitheachfootagedepthcontrolledatabout60cm.atthebeginning,itisnecessarytogentlypressandslowlyturnittoensurethestability,slowlyliftitandmonitortheverticalitywithacontrolpanelindrilling5-8munderground.AnydeviationshallbeadjustedinatimelymannerItisnecessarytograduallyenternormalconstructionsoastomakethedrillingbitagainstthepileandpreventporeandpilelocationdeviation.Beforetheporeiscompleted,itisnecessarytocheckthebitdiameterandwear,andhavetimelyrecementoftheexcessivelywornbitinconstruction.Inporing,itisnecessarytoobservetheparametersdeterminedbythetrialconstruction,havefull-timerecordersrecordvariousparametersinporingcarefully,promptly,accurayandclearly,suchasdrillpipe,drillingdepth,geologicalfeatures,mechanicaldamageandRotarydrillingrigisequippedwithanelectroniccontrolsystemtodisyandadjusttheverticalityofthedrillpipe.Bothsidesofthedrillpipeareequippedwithverticalitymeterswhichshallbeobservedbyspecial alindrillingtodirecttheoperatortoadjustdrillpipeverticalitywhennecessary.Thedrillpipeverticalityshallbeachievedthroughelectroniccontrolandmanualobservation.標(biāo),發(fā)現(xiàn)及時調(diào)整。Indrilling,itisnecessarytocontrolthefootagespeedaccordingtothegeologicalconditions:appropriayacceleratedrillingfromhardformationtosoftslowdownfromsoftformationtohardformation,andincreasethefrequencyofporesweeinneckingformationsoastopreventnecking.Inthehardsticlayer,itisnecessarytohavefastdrillingsoastoimproveefficiency.Insandlayer,itisnecessarytohaveslowdrillingsoastoappropriayincreasetheslurryweightandviscosity.Itisnecessarytotest ingandoutgoingslurryindicatorsandmaketimelyadjustmentwhennecessary.Indrilling,slurryrelativedensitygreaterthan1.3willcausetoomuchsedimentbeforeporepouring,whichwillnotbemadeupbysecondaryrotaryporecleaning,resultingindifficultpouringofconcrete.Therefore,itiscrucialforslurrywallprotectiontocontroltheslurryspecificgravity.Inrotarydrilling,itisnecessarytoensureeachbucketwillbematchedwithtimelyporegrouting,makingtheporeheadmaintainacertainheightsoastobalancetheporeinnerpressure.把含砂量大的泥漿排放掉，及時補(bǔ)充好新泥漿；在砂層中隨時投入泥球，成孔后，由于砂層厚，孔內(nèi)沉淀厚，部分樁孔孔內(nèi)沉渣，用鉆機(jī)進(jìn)行孔底沉渣Inthesandlayer,itisnecessarytooperatethedrillingriggently.Technical shallobservetheporechangesoastoensuretheporeisfilledwithslurry.Incasefootageisnotavailable,itisnecessarytotaketimelymeasures:checkthedrillingbitandcarryoutimmediayrepairincasetheedgeisworn,drillingbitispoorlysealed,improveslurryquality,receslurrycontainingmuchsandwithwellpreparednewslurry,andaddslurryballsintothesandlayer.Whentheporeiscompleted,sandandporeprecipitationwill ethicker,resultinginextraporesediment,itisnecessarytocleanthesedimentintheporebottomwiththedrillingrigsoastoachievesuccessful在砂層中施工，旋挖工藝成孔，一定要控制好泥漿，選擇好鉆斗形式，分偏大，混凝土量局部超灌現(xiàn)象。含砂量大的泥漿要及時排放，補(bǔ)足好新泥1.11～1.15Insandlayerconstruction,itisdifficulttocompletetherotarydrillingpore.Itisnecessarytoproperlycontrolslurry,selectasounddrillingbitsoastoeffectivelymaintainnormalconstruction.Itisnecessarytocarryoutconstructioninaccordancewiththetechnicalrequirementssoastoavoidlargerporesizeandextra-filledconcrete.Slurrycontainingmuchsandshallbepromptlydischarged.Itisnecessarytohavesufficientwell-preparedslurryandcontrolthefillingfactorwithin1.11～1.15.Inlayerconstruction,intheeventofcollapse,itisnecessarytobackfillthecollapseporeandcontinueconstructionwithhigh-qualityslurryinaccordancewiththetechnicalrequirementsaftertheformation esstable.MeasurestoboulderdrillinginshaftIncaseofoldfoundationorboulderaroundfoundationpitinporedrilling,itisnecessarytoadoptCJZ-5punchingpiledrivertodealwiththeseunexpectedfactors.由專人負(fù)責(zé)填寫，交時應(yīng)有交接記錄。GeologicalItisnecessarytokeeprecordintablesrelatedtogeology.Inrotarydrilling,itisnecessarytopromptlycompleteDrillingRecordTable,mainlyincluding:workproject,drillingdepth,drillingspeedandporebottomelevation.DrillingRecordTableshallbefilledinbyspecial nel.Eachshiftshallhavetransferrecords.所處的位置和取樣時間旋挖鉆機(jī)孔樁地質(zhì)剖面圖與設(shè)計不符時及請監(jiān)理現(xiàn)Itisnecessarytokeeppropergeologicalrecordsaccordingtotherotarydrillingspeedchangesandsoilsampling,drawpilegeologicalprofiles,haveeachpilewithasoilgeologicalsampleboxindicatingitslocationnthepileandsamplingtime.Incasetherotarydrillingrigpilegeologicalprofiledoesnotmatchthedesign,itisnecessarytopromptlyreporttothesitesupervisorforconfirmationandhavethedesignerdeterminewhetheritisnecessarytochangethedesign.Indrilling,itisnecessarytopromptlyremoveandtransportslagaroundthedrillingboremouthsoastoavoidprejudicetodrillingandpollutionoftheenvironment.Whendrillingreachesthepredetermineddepth,itisnecessarytoliftthedrillpipe,measurethedepthoftheboreandvirtualsoilthickness(virtualsoilthicknessshallbeequaltothedifferencebetweendrillingandboredepths).BoreWhentheborereachesthedesignelevation,itisnecessarytochecktheboredepth,boresize,borewallandverticality,andtakepropermeasuresincaseofunsuccessfulBoreBorecleaningisanimportantpartofrotarydrillingboredpileconstructiontoensurethepilequality,makingitsqualityindicators,borebottomsedimentthickness,theamountofslagincirculatingfluiddirtontheborewallinlinewiththepilequalityrequirements.Therotarydrillingadoptsthesecondaryborecleaningtechnology.4％為止。Firstly,whenthepileboreiscompleted,itisnecessarytoadoptthefirstborecleaning,namely,normalcirculationborecleaning.Theborecleaningmethod:liftthedrillingrig20m~50m,usealargepumptosucknewslurrywithitsperformancemeetingtherequirements,maintainnormalcirculationformorethan30minuntilthesedimentatthebottomoftheboreisremovedandthesandcontentoftheborewallslurryislessthan4%.法是:在樁孔終孔后,將制作好的鋼筋籠按要求放置孔內(nèi),同時將導(dǎo)管接至孔底10cm1m淀泥渣后余泥漿回流孔內(nèi),保持孔內(nèi)壓力平衡,不至塌孔,保證終孔混凝土成樁質(zhì)Secondly,sincethepileborehasathickloosesoillayersubjecttocollapse,cannotbeimmediaycompletedafterborecleaning,itisnecessarytohavethereinmentcageintothebore,andinstallthegroutconduitandimplementthesecondaryborecleaningsoastomakethesedimentthicknessintheborebottombeforeconcreteinjectionmeettherequirementsandensureconcretecolumnquality.Thesecondaryborecleaningadoptsreversecirculationborecleaning.Thespecificmethod:whenthepileboreiscompleted,havethereinmentcageintotheboreaccordingtotherequirements,atthesametimeconnecttheconduittothece10cmabovetheborebottom,inserttheconduitwitha1mlongtubeintotheconduitbottom,makingtheminimumspacingbetweenthetubebottomandtheconduitbottom2m,introduceahigh-pressureductatthetube(orthetipoftheconduit),connecttheotherendofthehigh-pressureducttotheaircompressor,havetheconduitmouthsealed,leavingonlysludgeexit,makinghighpressureairpassthroughtheductandmixslurryattheconduitbottomandentrainsludgeunderhighpressure,flowoutthroughconduitsludgeexittothesedimentation,then,theremainingslurryflowbackintothebore,maintainborepressurebalancedtoavoidborecollapsesoasensurethefinalboreconcretepilequality.Sludgeshallbeshippedoutandaircompressoronaregularbasis.ReinmentcageAccordingtothedesign,itisnecessarytocalculatestirruplength,mainreinmentdistributionsegmentlength,straightentherequiredreinmentandhaveitcutwithacuttingmachine.Thesizesofmainreinment,stirrupandspiralreinmenttobeweldedaredifferentanditisnecessarytohavethemcedseparayandpreventItisnecessarytoproducestirrupsinthereindringstageandweldthemaccordingtotherequirements.Thepilemainreinmentshallbeconnectedbyweldingormechanicalsleeveconnection,andmeetGeneralTechnicalRegulationofMechanicalReinmentConnectionJGJ107-2003.鋼筋保護(hù)層為mm，為確保保護(hù)層厚度，應(yīng)焊接鋼筋籠保護(hù)層鋼筋環(huán)。Itisnecessarytocethesupportframeinlinewiththecenterlineaccordingto2-meterspacinginthesamehorizontalne,andhavethefixed-lengthmainreinmentdisyontheweldingsupport.Itisnecessarytohavethestirrupintothemainreinmentaccordingtothedesignandmaintainverticaltothemainreinmentforspotwelding.Reinmentprotectivecoatingismminthickness.Toensurethethicknessoftheprotectivecoating,itisnecessarytoweldreinmentcageprotectivecoatingreinmentring.ItisnecessarytocethereinmentcageonthegroundsoastopreventReinmentcageReinmentcageliftingadoptspoleliftingwiththeliftingpointsatthejunctionofthestirrupandmainreinmentattheupperpartofthereinmentcage.Theliftingpointsshallbesymmetrical.ReinmentcageInreinmentcagelowering,itisnecessarytohavethereinmentcageinwiththebore,ensuringvertical,gentleandslowoperations.Onceintothebore,thereinmentcageshallnotberotatedandshallstopincaseofanybarrieranditisnecessarytoidentifythereasonsandsolvetheproblem.Fiercefallanddloweringareprohibited.Inreinmentcagelowering,itisnecessarytohavetechnical nelpresentandadopthangingbarstocontrolthepiletopelevationofthereinmentcageanditsfloating.Whenthereinmentcageisinceandaftersuccessfulinspection,itisnecessarytohaveitfixedtotheboremouthwithsupportframes.鋼筋籠吊環(huán)吊環(huán)抬桿 ReindcageReinmentcagemainhangerReinmentcagetopelevationPiletopelevationReindcageRingliftinglevercerrackTrackwheelSteel mentcagemainhangerBorewall dcagemainrein mentcagespiralrein mentcageenhancedrein mentlayerpadSketchofreinmentcageholeinstallation水下灌注對混凝土的要求該工程使用C 水下商品混凝土2h1.5%。3h。UnderwaterinjectionrequirementsforconcreteThisprojectusesC underwatercommercialconcrete.Underwaterconcreteshallhaveitsprecipitatedwaterin2hlessthan1.5%oftheconcretevolume.Itisnecessarytohavetheinitialsettingtimeofconcretenotbelessthan導(dǎo)管在使用前，要檢查導(dǎo)管的密封性，可由壓水試驗(yàn)檢查,試水壓力0.6-0.3-0.5m4m。ConduitinstallationandBeforeconduitisused,itisnecessarytocheckthetightnessoftheconduitthroughthewaterpressuretestinspectionwithawaterpressureof0.6-1.0MPa.WatertightItisnecessarytohavetheconduitintotheborecenterwithitsactuallengthstrictlymeasured,thedistancebetweentheconduitbottommouthandborebottom0.3m-0.5m,thelengthofthefirstsectionoftheconduitnotbelessthan4m.Inconduitpiling,itisnecessarytomaintainitlevel.Inconduitlifting,itisnecessarytoliftnotmorethanfivesectionsandhavetheconduitorificeconnectionachievedwithspecialorificesupporttes.Onceused,theconduitshouldbewashedcleanimmediayforfuturereuse.首澆（初灌量0.5m，根據(jù)壓力平衡原理，計算確定混凝土初灌量。Primaryinjection(primaryfillingInopeningconduit,itisnecessarytodeterminetheamountofconcretestoredinthehopperthroughcalculationsoastoensurecompletedischargeofslurryintheconduit,andmaketheconduitexitdepthnotlessthan0.8minflowingconcretesoastopreventslurryfrombeinginvolvedinconcrete,makingthedistancebetweentheconduitbottomandthepitbottomas0.5m,anddeterminetheprimaryconcreteinjectionamountaccordingtothepressurebalanceprinciple.Inpractice,itisnecessarytoputtheballgallandceinaconicalplug.Whenthehopperisfilledwithconcrete,itisnecessarytoimmediaypullupthestopper,andcontinuetosupplementconcreteintothehopper,makingconcreteinjectioncontinuous.Beforeconcreteinjection,theorificeshallbecoveredsoastopreventtheconcretefromfallingandpollutingslurry.ConcreteThisinjectionprocessadoptsplugimpermeable(orinflatableballgall).Thediameteroftheinflatableballgallshouldhaveitlypassthroughtheconduit.Afterthecompletionoftheprimaryinjection,itisnecessarytohavetheinjectedconcretepassthroughthesideofthehoppermouthintotheconduit.Itisnotpropertomakeitfilledtoavoidairbag.2mInconduitpullingout,itisnecessarytoaccuraymeasureandcalculatethedepthoftheconduitbeforepullingitout.Conduitdepthshallnotbegreaterthan6morlessthan（2.0m）以增加鋼筋籠對導(dǎo)管底口下的埋置Whentheconcretesurfaceapproachesthebottomofthereinmentcage,inordertopreventthefloatingofthereinmentcage,whentheconcretesurfaceapproachesandentersthereinmentcage,itisnecessarytomaintainalargerconduitdepth,slowdowninjection.Whentheconcretesurfaceentersthereinmentcage,itisnecessarytoappropriaylifttheconduit,reducethedepth(notlessthan2.0m)soastoincreasethedepthofthereinmentcagebelowthebottomoftheconduit.5m以內(nèi)時，可不再提升導(dǎo)管，直到灌注到設(shè)計標(biāo)高后一800高，以保證鑿出樁頂伏漿后混凝土的強(qiáng)度。在最后一次拔管時，要緩慢導(dǎo)管，以避免孔內(nèi)上部泥漿壓入樁中。Whenconcreteisinjectedtotherangeoflessthan5mfromthepiletop,itisnotnecessarytolifttheconduitanylonger.Whenconcreteisinjectedtothedesignelevation,itshallbepulledout.Whenconcreteisinjectedtothepiletop,itisnecessarytohaveextra-injection800soastoensurethestrengthofconcreteinthepiletop.Inthelastinjection,itisnecessarytopullouttheconduitslowlysoastoavoidslurryintheupperpartoftheborefrombeingpressedintothepile.四、旋挖鉆孔樁注意事NoticesinpilerotaryItisnecessarytohavethepiledriverincesoastomakethepiledriververticallydrop.Indrilling,itisnecessarytocheckwearing,deformationandcrackingofthedrillingbitswhichshouldbepromptlyrecedorrepairedbeforefurtheroperationsoastopreventaccidents.Indrilling,itisnecessarytodeterminethedrillingspeedaccordingtosoiltype,boresize,punchingdepthandpulpamount.Toensuretheverticalityofthebore,itisnecessarytohavelevelmeasurementoftherigsoastoensuretherigoperationinalevelstate.與主筋焊接。鋼筋籠在和起吊過程中，要在鋼筋籠上每隔3～4m裝上可拆對在、堆放和起吊過程中發(fā)生變形的鋼筋籠，必須修復(fù)后才可使用ManufactureandinstallationofreinmentThesiteshouldbelevel.Inmanufacture,itisnecessarytoweldmainreinmentandstiffeninghoopandformaskeleton,andweldthespiralreinmentandmainreinment.Inreinmentcagetransportandlifting,itisnecessarytofitaremovablecrosstemporaryreinmentframeevery3m~4minthereinmentcagesoastopreventdeformation.Thereinmentcagedeformedintransportation,stackingorliftingshallbebefore1.5m、2.0m，底管長度為≥4m；UnderwaterconcreteTheconduithasawallthicknessof3mm,diameterof250mm,diametermanufacturedeviationofnotmorethan2mm.Itshallbemadeofseamlesssteelpipes.Conduitsectionhasalengthof1.5mor2.0m,bottomtubelength≥4m;Beforeuse,theconduitshallhavetrialInconduitconnecting,eachsectionshallhaveitsconnectioncoupledwiththesealingrubberring,andtheconnectionnutsshallbetightenedsoastomakeunderwaterconcreteinjectionfromleakage.2m～3m凝土順利進(jìn)行。Beforeconcreteinjection,itisnecessarytohavesuccessfulslumptestbeforeinjection,andhavetrackingchecksbythetesterandqualityinspector.Inconcreteinjection,itisnecessarytocontroltheslumpfromtimetotime,measuretheinjectedconcreteelevationandconduitembedmentdepthandhavetheconduitdepthat2m~3msoastoensuresmoothconcreteinjection.Inconcreteinjection,eachpileshallhavenotlessthanone testblockgroup.Constructorsshallobservetheequipmentoperatingprocedures,implementsafeoperatingproceduresandjobresponsibilities.QualityAllmobilizedmaterialsshallhaveconventionalmaterialqualitytestingaccordingtorelevantstateregulations.Oncethequalityofthematerialsdonotmeettherequirement,itisnecessarytoexpandthetestproportion,andrecetotallyinconsistentmaterialswithintactones.BoringpilesshallhaveconcretestrengthBorequalitytestshallbecarriedoutaccordingtodesignandspecification五、灌注樁主要質(zhì)量技術(shù)保證措Mainqualityassurancemeasuresoftheboredconcrete(1)QualitystandardsoftheboredconcreteBoredconcretepilesshallhavethestrengthoftheirrawmaterialsmeetthedesignrequirementsandconstructionnorms.Theboredepthshallm