竹结构轻型框架房屋的研究与应用

JournalofBuildingStructures31620106Vol131No16June2010023:100026869(2010)06201952091,2,1,3,1,4(1.,410082;2.,CA90089;3.,410082;4.,410082):,,,,,,,:;;;;:TU36613TU31711:AResearchandapplicantoflightweightglue2laminatedbambooframestuctureXIAO,Yan1,2,CHENGuo1,SHANBo3,YANGRuizhen1,SHELiyong4(1.KeyLaboratoryofBuildingSafetyandEnergyEfficiencyofChinaMinistryofEducation,HunanUniversity,Changsha410082,China;2.DepartmentofCivilandEnvironmentalEngineering,UniversityofSouthCalifornia,LosAngelesCA90089,USA;3.InstituteofModernBamboo,TimberandCompositeStructures(IBTCS),HunanUniversity,Changsha410082,China;4.AdvancedBambooandTimberTechnologies,Changsha410082,China)Abstract:Thispaperintroducesanewtypeoflightweightframehousingsystemusingbambooinsteadofwood.Theresearchshedslightonthefuturedirectionofutilizingbamboo,whichisagreenandrenewableresourceuniquetoChina.Thepapersummarizestheexperiments,designandengineeringapplicationsofmodernbamboosinglefamilyhousestodate.ThelightweightbambooframehousesystemadoptssimilarfeaturesasthesocalledtwobyfourconstructionfortimberhousesinNorthAmerica,withincreaseddegreeofmodulardesign.Mostofthemanufacturingprocessisallocatedinfactorytoproduceprefabricatedsubassemblies,thusthein2situworkisgreatlyreducedandconstructionperiodisshortened.Thedesignandconstructionofthebamboohouseisbasedonthepropertiesofbamboo,includinghighstrength/weightandstiffness/weightratios,prefabricationandlowerCO2emissioncomparingwithotherconventionalmaterials.Mechanicalproperties,seismicdesignandsomeothercrucialtechniqueswereinvestigatedtoestablishthelaminatedbamboosinglefamilyhousingsystem.Asdemonstratedinseveralsinglefamilyhousesconstructed,thepotentialofusinglightweightbambooframesystemincommercialandresidentialbuildingsasanalternativeformforenvironmentallyfriendlyandsustainableconstructionisdemonstrated.Keywords:lightweightframe;bamboostructure;plybamboo;shakingtabletest;mechanicalbehavior:(IRT0619),(50938002):(1961),,,E2mail:xiaorock@yahoo1com:201035911,,,,,19971995,,,,[123],,90%,,,,,,,,,,1984198838m55m,2004,,,,,,,,50[3],,:,;,;,,(,);;,,;,,,,,,,,,[425],,,2,[627],,,,,,(plybamboo)(plywood)[8],,,,[9210],,,,,,[11212],,,,,,,,[13],,,,691,,,Janssen(plybamboo),[14]2004[15216],,,[17218],,,2Glubam(glubam)(plybamboo),,1,GB192791GB194391ASTMD143294,,1,,1Table1Glue2laminatedbambootestresults/MPa(GB192991)168220%20%26415%13%329910%11%251612%20%32900010%20%1Fig.1Mechanicaltestofglue2laminatedbamboo(glubam)33112,(406610mm),,40mm84mm,,40mm140mm,,()(),,,,,,,3,,,,,,4:7912Fig.2Framewallpanel3Fig.3Platformconstruction4Fig.4Installationofmodularwallpanels312600mm,,,,,,112m,,,,,3mm,,,[19],610mm16,1611,112,1,,40mm60mm,,55Fig.5Rooftrusses,,,23mm,40mm4mm,,150mm,300mm,,,6,,,,[20221]313,,7,8916Fig.6Roofwaterproofsheets7Fig.7Connectionofmembers,,,314[22223]610mmM12,(tie2down),,,1,,,,,,,1/150,11,315,,,,,23cm,4411,,,20086,[24],,Uniformbuildingcode(1997)()(LFRS),,82,,,Uniformbuildingcode(1997)2,;,,,;,,:V=CW(1):C;WUBC297[25],V(2)9918Fig.8LoadresistantsystemofbamboostructureV=CvIRTW215CaIRW(2):CvCaR;I;T;CvI/RT215CaI/R5m,0119s,(I=1)2B(78)10Km,B,SD,(2),Ca=0128,R=415,0116W,21191kN/m2,1124kN/m2,0139kN/m2,16129kN/m22Table2Calculationalresultsofstorysheerforceh/mW/kNWh/kNmF/kN24188170188331535101214413517331111319306151164164819(),,():;;,,:;;[26]412,,216m,3166m2144m,216m()),0.92.1m,,122mm,122mm1,9GB500092001,2.0kN/m20.5kN/m2,,0.5,1920kg3520kg(a)(b)9Fig.9Shakingtabletestoffull2scalemodelunit,2(ElCentroTaft)(II,,8,),0.1g0.3g0.4g0.5g4,34,0.1g,,;0.3g0.4g,002,;0.5g,,,,1/68,512009,10a250m2,120m2,2,1211,2010782,10b3,10c10b10c,110m2,,211,23,6,50%,CO2,,,3CO2SO2,5109t,1146,1156,12175t,46175t,17[27],,,,;,,10Fig.10Lightweightbamboodemonstrationhouses11,100m2,,,,,,7,,,,,,,10211100m2Fig.11ComparisonofembodiedCO2in100m2houseswithdifferentstructuralmaterials(glubam),,,[1]BryanFolz.Seismicanalysisofwoodframestructures.I:Modelformulation,andII:ModelImplementationandverification[J].JournalofStructuralEngineering,2004,130(9):135321370.[2]YueLi.Reliabilityofwoodframeresidentialconstructionsubjectedtoearthquakes[J].StructuralSafety,2007,29:2942307.[3].[J].,1958,4(2):2692286.[4].[J].,1995,9(1):35236.[5],.[M].:,2002:1218.[6],,.[J].,2004,11(2):325.[7].[J].,2004,11(2):428.[8]ForestProductsLaboratory.Woodhandbook:Woodasanengineeringmaterial[R].Gen.Tech.Rep.FPL2GTR2113.Madison,WI,USA:1999:463.U.S.DepartmentofAgriculture,ForestService,ForestProductsLaboratory.[9],.[J].,1997,33(6):5462553.[10],,.[J].,1997,21(1):27232.[11],,.2[J].,1995,9(1):10213.(FanMaozai,XuRuoxuan,YangAihe,Studyonthepropertiesoforientedstrandboardsoverlaidwithbamboosheets[J].ChinaWoodIndustry,1995,9(1):10213.(inChinese))[12],,.[J].,1997,11(4):8211.(YinSuzhou,LiBeigang,HuDebiao.Studyonthepropertiesoforientedstrandboardsoverlaidwithbamboosheets[J].ChinaWoodIndustry,1997,11(4):8211.(inChinese))[13],,,.[J].,2002,15(6):7122718.[14]JanssenJJA.Designingandbuildingwithbamboo[R].TechnicalReport20.Eindhoven,TheNetherlands:TechnicalUniversityofEindhoven,2000.[15],,.[J].,2004(9):15219.[16]ChenXuhe.Bamboobasedpanels2potentialbuildingmate