装配式建筑施工英语课件-装配式构件灌浆施工流程

GroutingProcessofPrefabricatedConcreteComponentsGroutingProcessPCBULIDINGCONSTRUCTIONLearntheSpiritofLubanBecometheCraftsmenoftheNation01IntroductiontoGroutingofPrefabricatedComponents02GroutingprocessofPrefabricatedComponentsPCBULIDINGCONSTRUCTIONContentsCONTENTS01PCBULIDINGCONSTRUCTION01IntroductiontoGrouting01Groutingoperationisthemostimportantandcoreoperationlinkofprefabricatedconcretebuildingnodeconnection.Groutingqualitydirectlyaffectsthequalityofprefabricatedbuildings.1.1GroutingConnectingOperationThemostcommongroutingconnectionoperationispressuretype,i.e.groutingbypressureofelectricgroutingmachineormanualgroutinggun,e.g.sleevegrouting(ribbedsteelbarsareinsertedintoagroutingsleevewithaconcave-convexsurfaceinsidethecavity,andthegapbetweenthesleeveandthereinforcementisfilledwithaspecialhigh-strengthcement-basedgrout,whichisanchoredinthesleeveafterthegroutsets)IntroductiontoGroutingofPrefabricatedComponents011.2GroutingConnectingOperation1.GroutingSleeves①Fullgrout-filledsleeve:thejointsatbothendsareconnectedbygrouting②Halfgroutingsleeve:groutingconnectionatoneendandmechanicalconnectionatoneend2．GroutingMaterialThegroutingmaterialisadrymixturecomposedofcementasthebasicmaterial,fineaggregate,concreteadmixtureandothermaterials.Aftermixingwithwater,ithasthespecifiedperformanceindicatorssuchasfluidity,earlystrength,highstrengthandmicroexpansion.IntroductiontoGroutingofPrefabricatedComponents01PCBULIDINGCONSTRUCTION02GroutingProcessGeneralprocessofgroutingconstruction:2.1TechnicalDisclosureTechnicalexplanationmadebyrelevanttechnicianstothepersonnelparticipatingintheconstructionbeforegroutingThemaincontentsoftechnicaldisclosureandoperationproceduretrainingareasfollows:①Preparationsforgroutingoperation②Groutingtechniqueprinciple③Groutingprocessflow.④Groutingoperationprocedures⑤Groutingprecautions⑥Qualitystandardrequirements.⑦Equipmentoperationmethod⑧Inspectionmethod⑨KeypointsofsafetyworkIntroductiontoGroutingofPrefabricatedComponentsPreparationsBeforeGroutingThemainworkcontentsare:sleeveinspection,groutingholeinspection,groutoutletholeinspection,equipmentandtools,powersupplyandwatersourceinspection.ConstructGroutingProcess02Preparations01TechnologicalDisclosure0303BlockingJoints04GroutingMaterialsProduction05GroutingMaterialTest06IssueGroutingOrder07Grouting08Follow-upWorkofGroutingJointSealingandSeam-crackingWorkCleanandwetthejointsSeam-jointingandseam-crackingoperationThelongerthesinglebinlengthofgroutingis,thegreaterthegroutingresistanceandgroutingpressureare,resultingintheincreaseofgroutingtime.Whenusingelectricgroutingmachine,thelengthofsinglesiloshouldbecontrolledwithin1.0~1.5m.ConstructGroutingProcess01TechnologicalDisclosure02Preparations03BlockingJoints04GroutingMaterialsProduction05GroutingMaterialTest06IssueGroutingOrder07Grouting08Follow-upWorkofGroutingJointSealingandSeam-crackingWorkSeam-jointingandSeam-crackingWork①Putthelining(theliningmaterialcanbehose,PVCpipeorsteelplate)intothe20mmgapbelowtheprecastpanel.②PlacethesettingmortaronthesupportingplateP.Fillthemortarwithanotherspecialtool.③Stretchthesealingbeltintothewallfor5~10mm,andthenusethetroweltosealthewarehousewiththemixedsealingmaterialsConstructGroutingProcess01TechnologicalDisclosure02Preparations03BlockingJoints04GroutingMaterialsProduction05GroutingMaterialTest06IssueGroutingOrder07Grouting08Follow-upWorkofGroutingGroutingMaterialsProductionCalculatetheamountofgroutingmaterialaccordingtothedrawings,anddeterminetheamountofdrymaterialandwateraccordingtotheinstructionsofthegroutingmanufacturerAdd100%watertothemixingdrumwith70%to80%groutUsethemixertostirfor1~2minutes,anditisrecommendedtouseatimerfortimingThenaddtheremaininggrout-filledmaterialandcontinuemixingfor3-4minutes.Aftermixing,thegroutmixtureshouldbeleftinthemixingbarrelfor2-3minutestoexhaust.ConstructGroutingProcess01TechnologicalDisclosure02Preparations03BlockingJoints04GroutingMaterialsProduction05GroutingMaterialTest06IssueGroutingOrder07Grouting08Follow-upWorkofGroutingGroutingMaterialTestincludesMobilitydetectionStrengthtest(1)Mobilitydetection(2)StrengthtestConstructGroutingProcess01TechnologicalDisclosure02Preparations03BlockingJoints04GroutingMaterialsProduction05GroutingMaterialTest06IssueGroutingOrder07Grouting08Follow-upWorkofGroutingBeforegroutingconstruction,theconstructionunitshouldjointlyinspectthegroutingpreparation,implementationconditionsandsafetymeasureswiththesupervisionunit,Thepositionandlengthoftheprotrudingreinforcement,theconditionofthejointsurface,theconnectionofthegroutingcavity,thestrengthofthebedgrout,thejointwarehousing,theperformanceofthewarehousingmaterials,thejointsealingandtheperformanceofthesealingmaterialsshouldbecheckedtoseewhethertheymeettherequirementsofthedesignandspecifications.EachteamshouldissueagroutingordereverydaybeforeconstructionConstructGroutingProcess01TechnologicalDisclosure02Preparations03BlockingJoints04GroutingMaterialsProduction05GroutingMaterialTest06IssueGroutingOrder07Grouting08Follow-upWorkofGroutingGrouting:itisdividedintoverticalcomponentgroutingandtransversecomponentgrouting(explainedbytheexampleofverticalcomponentgrouting)Addwatertothegroutingequipmenthopperandstartthegroutingequipment,pourthegroutmixintothegroutingequipmenthopperandturnontheequipment,observethegroutingsituationuntilthecylindricalgroutmixiscontinuouslysprayedfromthegroutpipenozzlebeforegrouting.Groutingwithonegroutinghole,othergroutingholesandslurryoutletsareusedasslurryoutletsWhenthegroutisdischargedfromthegroutoutlet,thegroutoutletshallbeblockedwithaholeplug(1)Groutingoperation(2)Grout-filledholeplugging(3)PlacethesealplugConstructGroutingProcess01TechnologicalDisclosure02Preparations03BlockingJoints04GroutingMaterialsProduction05GroutingMaterialTest06IssueGroutingOrder07Grouting08Follow-upWorkofGroutingFollow-upWorkofGroutingAfterthegroutingiscompleted,theconnectionprote