绿色装配式钢结构建筑体系研究与应用-郝际平

341Vol.34No.120171Jan.2017ENGINEERINGMECHANICS12016-10-232016-11-24(5117848151578442)(1986)(E-mail:[e-mail]).(1959)(E-mail:[e-mail])(1982)(E-mail:[e-mail])(1987)(E-mail:[e-mail]).1000-4750(2017)01-0001-1311,21,22(1.7100552.710055)1.02.0MCFTS(Multi-coreConcreteFilledSteelTubeSystem)——MCFTSTU391Adoi:10.6052/j.issn.1000-4750.2016.08.ST14RESEARCHANDAPPLICATIONSOFPREFABRICATEDSTEELSTRUCTUREBUILDINGSYSTEMSHAOJi-ping1,SUNXiao-ling1,2,XUEQiang1,2,FANChun-lei2(1.SchoolofCivilEngineering,Xi’anUniversityofArchitecture&Technology,Xi’an710055,China;2.DesignInstituteofXi’anUniversityofArchitecture&Technology,Xi’an710055,China)Abstract:Thedevelopmentofsteelstructurescanresolveexcesscapacityofsteelindustryandpromotebuildinggreenization,industrializationandinformatization.Promotedbythenationalpolicy,theassembledsteelstructuresinChinahavemarchedfromv1.0towardsv2.0quickly,duringwhichthreenewtypesofbuildingsystemshavebeendeveloped,includingtheimprovedsystembasedontraditionalsteelstructures,themodularconstructionsystem,andindustrializedresidentialbuildingsystem.Underthenewsituation,precastconcretecomponentshavesolvedthetraditionalproblemsofsteelstructures,newtypesofenvelopesystemhavebeendevelopedduetotheapplicationofdifferentwalls,andinformationtechnologyspeededupthedevelopmentoftheconstructionindustry.Fullyassembledsteelframesandbox-typemodularbuildingsystemsarenewtypesoflow-risemulti-storyconstructionsystemwhichusethedesignconceptofbuildingelements.Theyarebasedonthecombinationofbasiccomponentsincludingstructuralcomponentsandbuildingfunctionalunits,whichhavetheadvantagesofassembly,integratedenvelope,industrializedproductionandsoon.ThenewMCFTS(Multi-CoreConcreteFilledSteelTubeSystem)high-risesteelstructuresystemissuitableforresidentialandpublicbuildings.TheMCFTSconsistsofmulti-coreconcretefilledsteeltubeframe—bracedresidentialsystem2andmulti-coreconcretefilledsteelshear-wall—concretefilledsteeltubeframesystemforpublicbuildings.TheMCFTStakesthecombinationofmulti-coreconcretefilledsteeltubecolumnandthedoublesideplatebeam-to-columnconnectionasitscoretechnology.Itcanbeconcludedthatthesystemhasexcellentseismicperformanceandcanberepaired.Keywords:steelstructure;prefabricatedconstruction;systeminnovation;industrialization;modularization;concretefilledsteeltube;steelplateshearwall;steelcouplingbeam12016201621201626201635201691430020169272[1]2.1[23]11Fig.1Light-gaugecold-formedsteelbuildingBSAIS1~8()95%LSFBSekisuiToyota3HomesKaiserBoltedBracketConXtechConX[4]23[5]2KaiserFig.2Kaiserboltedbracketconnection3ConXtechConXRConXLFig.3ConXtechConXRandConXLsystems1970[6]2.21.02.01.02.01)44Fig.4Industrializationenvelopeandinfillcomponents2)[7]590%[8]4FFig.6Indus3)Fig.7BunCCA5Fig.5Contain6trializationstee[9]7ndledlippedchas6~1020%~405nerassemblingelframeandenv7Hannel—concretsystem0%6housevelopecompontecompositewaHnentsallFi33.1ALCFig.8Steel99ig.9Special-sPC(Precast+C8tube—concrete[11]shapedcolumnsteeltubes[1214]+PCConcrete[10]ecompositewacomposedofcosystemC)8allsystemoncretefilled)ALCH[15Fig.10PK(TFig.11-+(]10Concretecomp1111PKPKpre-stress(10)positeslabwithsedconcreteco12PCPChsteelbartruss)[16]ompositeslab13PK3.2[1Fig.12SteelFig17]Fig.14Inte12--precastconcret13g.13Prefabric14egratedinsulatiotesteppercompcatedbalconyonanddecoratiMCSI4F5positestair14onboard546Fig.15Inte[18]Fig.3.315gratedinsulatiost1616.16EnclosingBB(17)[19]1)onanddecoratioeelkeelgwallwiththerBIMBIMonboardwithlPErmalstuds()15ight4BIM3)17Fig.17BIM7BIMMinabuilding’2)BIM’slifecycleman44)nagement4D/5D4.1BIA(a)(b)18Fig.18BuIMB(18)8uilding’selemen19CntsDCBAD4.2SysFig.19Prefa[20](Fig.2MCFTSMCFTS(Mstem)90%19abricatedsteelf(a)(b)2020Box-typemulti-coreConframebuilding3×33—20modularbuildinncreteFilled[2123]T7system3×63×9ngdSteelTube7e8MCFTS——2122MCFTS—2321MCFTSFig.21PlanofMCFTShigh-riseresidence22MCFTSFig.22MCFTShigh-risesteelstructureresidence23MCFTSFig.23MCFTShigh-risesteelstructureofficeMCFTS——24MCFTS—61MCFTS24Fig.24Collaborativedesignprocessforbuilding1)2)3)MCFTS(DoubleSidePlateDSP)25(a)(b)(c)25Fig.25DSPbeam-to-columnconnection4.3MCFTSMCFTS91)3(1)26JGJ/T101-2015271Table1Designparametersofcompositecolumn××(mm×mm×mm)/mmC1600×200×28000.457.24C2600×200×28000.357.24C3840×140×28000.357.24n=N/(fcmAc+fsmAs)nNfcmAcfsmAs26Fig.26Multi-coreconcretefilledsteeltubecolumn4yΔ3yΔ2yΔyΔy−Δ2y−Δ3y−Δ4y−Δ27Fig.27Loadingprotocolofexperiments282913330311632813Fig.28Testof13multi-coreconcretefilledsteeltubecolumn2913Fig.29Hystereticcurveof13multi-coreconcretefilledsteeltubecolumn3016Fig.30Testof16multi-coreconcretefilledsteeltubecolumn103116Fig.31Hystereticcurveof16multi-coreconcretefilledsteeltubecolumn2)[24]3222Table2Designparametersofrepairedcompositecolumn××(mm×mm×mm)(mm@mm)/mmRC1600×200×28000.4512@1009.63RC2840×140×28000.3512@1009.63RC1RC2C1C332Fig.32Repairedmulti-coreconcretefilledsteeltubecolumn333433Fig.33Failurestateofmulti-coreconcretefilledsteeltubecolumnafterrepaired34Fig.34Hystereticcurveofmulti-coreconcretefilledsteeltubecolumnafterrepaired3)335363Table3D