KeyPointsofEvaluationStandardforPrefabricatedBuildingsPCBULIDINGCONSTRUCTIONLearntheSpiritofLubanBecometheCraftsmenoftheNation01EvaluationStandardforPrefabricatedBuildingsPCBULIDINGCONSTRUCTIONContentsCONTENTS01PCBULIDINGCONSTRUCTION01EvaluationStandardforPrefabricatedBuildings01KeyPointsofEvaluationStandardforPrefabricatedBuildingsEvaluationStandardforPrefabricatedBuildingsThisStandardisapplicabletotheevaluationofcivilbuildings

builtbyassembly,includingresidentialbuildingsandpublicbuildings.

Atpresent,thedevelopmentofprefabricatedbuildingsinChinafocusesonresidentialbuildings,butconsideringthatthetotalamountofpublicbuildingsislarge,thedegreeofstandardizationishigh,anditissuitableforprefabricatedconstruction,theevaluationofthisstandardisapplicabletoallcivilbuildings.01KeyPointsofEvaluationStandardforPrefabricatedBuildings

Whatisprefabricatedbuilding?

NationalStandard,ZhejiangProvincialLandmark:abuildingassembledbyprefabricatedcomponentsontheconstructionsite(qualitative)01KeyPointsofEvaluationStandardforPrefabricatedBuildingsEvaluationStandardforPrefabricatedBuildingsGB/T51129-2017——NationalStandard

EvaluationStandardforPrefabricatedBuildingsDB33/T1165-2019(ZhejiangProvince)ProvincialStandardGuidelinesforEvaluationofIndustrializedBuildings(ZhejiangProvince.January2016)Void01PCBULIDINGCONSTRUCTION02MainConcepts01AssemblyrateTheNationalStandardisthesameastheProvincialStandardP—AssemblyrateQ1—ActualscoreofmainstructureindexQ2—ActualscoreofenclosurewallandinternalpartitionwallindicatorsQ3—ActualscoreofdecorationandequipmentpipelineindicatorsQ4—TotalscoreofmissingevaluationitemsintheevaluationprojectAlthoughthetotalscoreofprovincialstandardisgreaterthan100,Butinthisformula,itisstillcalculatedas100PrefabricationrateMainConcepts01PCBULIDINGCONSTRUCTION03ComparisonBetweenNationalStandardandProvincialStandard03ComparisonBetweenNationalStandardandProvincialStandardNationalStandardProvincialStandard3.0.3Theprefabricatedbuildingshouldmeetboththefollowingrequirements.Anevaluationscoreofnolessthan20pointsforthemainstructurecomponents;Anevaluationscoreofnotlessthan10pointsfortheenclosurewallandinternalpartitionwallsections.Adoptfulldecoration;Theassemblyrateshallnotbelessthan50%.3.0.4Itisdeterminedthattheevaluationunitisaprecastbuilding,Thefollowingrequirementsshallbemetatthesametime:Anevaluationscoreofnolessthan20pointsforthemainstructurecomponents;Anevaluationscoreofnotlessthan10pointsfortheenclosurewallandinternalpartitionwallsections.Implementfulldecoration;Applicationofbuildinginformationmodel(BIM)technology;Embodystandardizeddesign;Theassemblyrateofpublicbuildingsshallnotbelessthan60%,andthatofresidentialbuildingsshallnotbelessthan50%03NationalStandardProvincialStandardComparisonBetweenNationalStandardandProvincialStandard03Preevaluationshouldbecarriedoutinthedesignstage,andtheassemblyrateshouldbecalculatedaccordingtothedesigndocuments;Theprojectevaluationshallbecarriedoutafterthecompletionacceptanceoftheproject,andtheassemblyrateshallbecalculatedandtheevaluationgradeshallbedeterminedaccordingtothecompletionacceptancedata.Inthefirststage,theassemblyrateshouldbecalculatedaccordingtotheconstructiondrawingdesigndocuments,andtheprefabricatedbuildingshouldbepre-evaluated;Inthesecondstage,afterthecompletionacceptanceoftheproject,theassemblyrateshallbecalculatedaccordingtothecompletionacceptancedata,andtheassemblybuildingprojectevaluationshallbecarriedoutandtheevaluationgradeoftheprefabricatedbuildingshallbedetermined.3.0.2Theevaluationofprefabricatedbuildingsshallcomplywiththefollowingprovisions:3.0.3Thecalculationofassemblyrateandtheevaluationofprefabricatedbuildingsshouldbedividedintotwostages:ProvincialStandardNationalStandardComparisonBetweenNationalStandardandProvincialStandard03q1a——Theapplicationproportionofprefabricatedpartsinverticalcomponentsofmainstructure,suchascolumns,supports,load-bearingwallsandductilewallpanels;V1a——Thetotalvolumeofprecastconcreteinverticalcomponentsofmainstructure,suchascolumns,supports,load-bearingwallsandductilewallpanels,ThepostcastconcreteoftheconnectionpartbetweenprefabricatedcomponentsinaccordancewithArticle4.0.3ofthisStandardcanalsobeincludedinthecalculation;V——Totalconcretevolumeofverticalcomponentsofmainstructuresuchascolumns,supports,load-bearingwallsandductilewallpanels.4.0.6intheProvincialStandard,theapplicationproportionofprefabricatedcomponentsintheverticalcomponentsofthemainstructuresuchascolumns,supports,bearingwallsandductilewallboardsofconcretestructuresshallnotbelessthan35%accordingtoArticle4.0.2ofthisStandard,Andwhenhigh-precisionmoldisusedintheconstructionofverticalcomponentsofmainstructuressuchascolumnsandbearingwalls,thetotalevaluationscoreofverticalcomponentscanbethesumoftheevaluationscoredeterminedaccordingtotheapplicationproportionofprecastcomponentsandthemodifiedevaluationscoredeterminedaccordingtotheuseofhigh-precisionmoldonsite,Andthetotalevaluationscoreofverticalcomponentsshouldnotexceed30points.NOTE!4.0.2Columns,supports,load-bearingwalls,ductilewallpanelsandotherverticalcomponentsofthemainstructurearemainlymadeofconcreteWhenusingmaterials,theapplicationproportionofprefabricatedcomponentsshallbecalculatedaccordingtothefollowingformula:ComparisonBetweenNationalStandardandProvincialStandard03V1a=6*0.6*0.8*h(Prefabrication)=2.88hV=6*0.6*0.8*h(Prefabrication)+2*0.5*0.5*h(Castinsite)=3.38h30pointsScoreofhigh-precisiontemplate:5*1*0.148=0.74ComparisonBetweenNationalStandardandProvincialStandard031Thepostcastconcretevolumeoftheverticalcast-in-situsectionswithawidthofnotmorethan600mmbetweenprecastshearwallboardsandthehorizontalpostcaststripandringbeamwithaheightofnotmorethan300mm;2Thepostcastconcretevolumeinthecolumnbeamjointareabetweentheprecastframecolumnandtheframebeam;3Theheightbetweenprecastcolumnsshallnotbegreaterthanthevolumeofpostcastconcreteintheconnectionareawithsmallersizeofcolumnsection.NationalStandardProvincialStandard1Thepostcastconcretevolumeoftheverticalcast-in-situsectionswithawidthofnotmorethan600mmbetweenprecastshearwallboards,theendcolumnsatbothendsofprecastwallboards,ortheconcealedcolumnswithasidelengthofnotmorethan600mm,thehorizontalpostcaststripandringbeamwithaheightofnotmorethan300mm.2Thepostcastconcretevolumeinthecolumnbeamjointareabetweentheprecastframecolumnandtheframebeam;3Theheightbetweenprecastcolumnsshallnotbegreaterthanthevolumeofpostcastconcreteintheconnectionareawithsmallersizeofcolumnsection.Whenthecolumnsectionissmallandthesizeislessthan800mm,theheightofpostcastconcretebetweenprecastcolumnsmaynotbegreaterthan800mm.4.0.3Whenthefollowingprovisionsaremet,thepostcastconcreteoftheconnectingpartbetweentheverticalcomponentsofthemainstructurecanbeincludedinthevolumecalculationofprecastconcrete.ComparisonBetweenNationalStandardandProvincialStandard03ThepostcastconcretevolumeinthecolumnbeamjointareabetweentheprecastframecolumnandtheframebeamComparisonBetweenNationalStandardandProvincialStandard03Theverticalcast-in-situsectionswithawidthofnotmorethan600mmbetweenprecastshearwallboards,theendcolumnsatbothendsofprecastwallboards,ortheconcealedcolumnswithasidelengthofnotmorethan600mm.ComparisonBetweenNationalStandardandProvincialStandard03Theverticalcast-in-placesectionisnotmorethan600mm,whichisincludedintheprecastconcreteHorizontalpostcaststripwithheightnotmorethan300mm,VolumeofpostcastconcreteforringbeamComparisonBetweenNationalStandardandProvincialStandard03Theapplicationproportionofprecastcomponentsinbeams,slabs,stairs,balconies,air-conditioningpanelsandothercomponentsshouldbecalculatedaccordingtothefollowingformula:q1b——Theapplicationproportionofprecastcomponentsinbeams,slabs,stairs,balconies,air-conditioningpanelsandothercomponents;A1b——Thesumofhorizontalprojectedareasofprefabricatedbeams,slabs,stairs,balconies,airconditioningpanelsandothercomponentsoneachfloorA——TotalfloorareaofeachfloorThinking:thesumofthehorizontalprojectedareaisnotnecessarilysmallerthanthetotalareaofthebuildingplanofeachfloorA——Thesumofthehorizontalprojectedareasofbeams,floors(roofpanels),stairs,balconies,airconditioningpanelsandothercomponentsofallfloors(includingroofs).4.0.4ComparisonBetweenNationalStandardandProvincialStandard03Thehorizontalprojectedareaofprefabricatedfloorslabandroofslabcaninclude:1Horizontalprojectedareaofprefabricatedlaminatedfloorslabandroofslab;2Thehorizontalprojectedareaofthepostcastconcretestripwithawidthofnotmorethan300mmbetweenprecastcomponents;3Thehorizontalprojectedareaofmetalfloorbearingplatesandroofslabs,woodenfloorsandroofsandotherfloorsandroofswithoutformworkattheconstructionsite.4.0.5ComparisonBetweenNationalStandardandProvincialStandard03A1b=Purple+Green+whiteA=A1b+AshComparisonBetweenNationalStandardandProvincialStandard03q2a——Applicationproportionofnon-masonrywallsinnon-bearingenclosurewalls;A2a——Thesumofthesurfaceareasofnon-masonrywallsinthenon-bearingenclosurewallsofeachfloorcanbecalculatedwithoutdeductingtheareasofdoors,windowsandreservedopenings;Aw1——Thetotalareaoftheoutersurfaceofthenon-bearingenclosurewallofeachfloorcanbecalculatedwithoutdeductingtheareaofdoors,windowsandreservedopenings.TheNationalStandardisthesameastheProvincialStandardTheapplicationofnewbuildingenclosurewallsisofgreatsignificancetoimprovethequalityofbuildingsandthechangeofconstructionmode.Activelyguidingandgraduallypromotingnewbuildingenclosurewallsisalsothekeyworkofprefabricatedbuildings.Non-masonryisoneofthecommonfeaturesofnewbuildingenclosurewalls.Non-masonrywallsincludeallkindsofmediumandlargeplates,curtainwalls,woodskeletonorlightsteelskeletoncompositewalls,whichshouldmeettherequirementsoffactoryproduction,on-siteinstallation,andconstructionby"drymethod".4.0.6Theapplicationproportionofnon-masonrywallsinnon-bearingenclosurewallsshallbecalculatedaccordingtothefollowingformula:ComparisonBetweenNationalStandardandProvincialStandard03A1b=Purple+Green+whiteA=A1b+AshComparisonBetweenNationalStandardandProvincialStandard03

4.0.7Theapplicationproportionoftheenclosurewalltoadoptintegrationofwall,heatpreservation,heatinsulationanddecorationshallbecalculatedaccordingtothefollowingformula:1inNationalStandardq2b——Theapplicationproportionoftheenclosurewalltoadoptintegrationofwall,heatpreservation,heatinsulationanddecoration;A2b——Thesumofthesurfaceareaofthewallwiththeintegrationofwall,thermalinsulation,thermalinsulationanddecorationisadoptedfortheenclosurewallofeachfloorwithoutdeductingtheareaofdoors,windowsandreservedopeningsinthecalculation;Aw2——Thetotalareaoftheoutersurfaceoftheenclosurewallofeachfloorcanbecalculatedwithoutdeductingtheareaofdoors,windowsandreservedopenings.3inProvincialStandardWhentheenclosurewalladoptstheintegratedboardofheatpreservation,heatinsulationanddecoration,thecorrespondingapplicationproportioncanbecalculatedaccordingtothefollowingformula,referto1Whentheenclosurewallisintegratedwiththermalinsulationandheatinsulation,thecorrespondingapplicationproportioncanbecalculatedaccordingtothefollowingformula,referto1ComparisonBetweenNationalStandardandProvincialStandard034.0.8Theapplicationproportionofnon-masonrypanelintheinternalpartitionwallshouldbecalculatedaccordingtothefollowingformula:q2c——Applicationproportionofnon-masonrypanelininternalpartitionwall;A2c——Thesumofthewallareasofnon-masonrywallsintheinternalpartitionsofeachfloorcanbecalculatedwithoutdeductingtheareasofdoors,windowsandreservedopenings;Aw3——Thetotalareaofpartitionwallsineachfloorcanbecalculatedwithoutdeductingtheareaofdoors,windowsandreservedopenings.TheNationalStandardisthesameastheProvincialStandardThinking:therearemanykindsofnon-masonrypanelsforinternalpartitions,whichcanbereferredtotheexistingatlas.ConstructionofInternalPartitionWallJ111~114ComparisonBetweenNationalStandardandProvincialStandard034.0.9Theapplicationproportionofwall,pipelineanddecorationintegrationforinternalpartitionwallshouldbecalculatedaccordingtothefollowingformula:q2d——Theinternalpartitionwalladoptstheapplicationproportionoftheintegrationofwall,pipelineanddecoration;A2d——Theinternalpartitionwallofeachflooradoptsthesumofthewallareaoftheintegrationofwall,pipelineanddecorationwithoutdeductingtheareaofdoors,windowsandreservedopeningsinthecalculation.1inNationalStandardWhentheinternalpartitionwalladoptstheintegrationofwallandpipeline,thecorrespondingapplicationproportioncanbecalculatedaccordingtothefollowingformula:Referto1ComparisonBetweenNationalStandardandProvincialStandard034.0.10Theapplicationproportionofwall,pipelineanddecorationintegrationforinternalpartitionwallshouldbecalculatedaccordingtothefollowingformula:q2d——Theinternalpartitionwalladoptstheapplicationproportionoftheintegrationofwall,pipelineanddecoration;A2d——Theinternalpartitionwallofeachflooradoptsthesumofthewallareaoftheintegrationofwall,pipelineanddecorationwithoutdeductingtheareaofdoors,windowsandreservedopeningsinthecalculation.4.0.11Theapplicationproportionoffloorandgroundbydryconstructionmethodshallbecalculatedaccordingtothefollowingformula:q3a——Applicationproportionoffloorandgroundbydryconstructionmethod;A3a——Thesumofthehorizontalprojectedareasofthefloorandthegroundusingthedryconstructionmethodforeachfloor.TheNationalStandardisthesameastheProvincialStandardComparisonBetweenNationalStandardandProvincialStandard034.0.12Thecabinetsandkitchenequipmentoftheintegratedkitchenshouldbeinstalledinplace,andtheapplicationproportionofdryconstructionmethodinthewall,topandgroundshouldbecalculatedaccordingtothefollowingformula:q3b——Applicationproportionofdryconstructionmethodinintegratedkitchen;A3b——Thesumoftheareasofthewalls,topsandgroundsofthekitchenoneachfloorusingthedryconstructionmethod;Ak——Thetotalareaofthewalls,topsandgroundsofthekitchenoneachfloor.4.0.13Allsanitarywareandequipmentintheintegratedtoiletshoul