型钢再生混凝土组合柱轴压性能试验研究

43720134BuildingStructureVol．43No．7Apr．2013*11211171005525300046。。-、。TU391TU392.5A1002-848X201307-0073-04ExperimentalstudyonaxialcompressivebehaviorsofsteelreinforcedrecycledaggregateconcretecompositecolumnsXueJianyang1CuiWeiguang1ChenZongping2MaHui1GaoLiang11CollegeofCivilEngineeringXi'anUniversityofArchitectureandTechnologyXi'an710055China2CollegeofCivilandArchitecturalEngineeringGuangxiUniversityNanning530004ChinaAbstractAccordingtostaticexperimentofsixsteelreinforcedrecycledaggregateconcretecompositecolumnstheaxialcompressionload-bearingcapacitywasstudied．Twofactorswhichweretherecycledcoarseaggregatereplacementrateandslendernessratioweretakenintoconsideration．Load-displacementcurvesofcompositecolumnsunderaxialloadswereobtained．Thefractureofcompositecolumnsandtheinfluenceofrecycledcoarseaggregatereplacementrateandslendernessratioonaxialcompressionload-bearingcapacitywereanalyzed．Theformulaforaxialcompressionloadofsteelrecycledconcretecompositecolumnwasalsopresented．Keywordssteelreinforcedrecycledaggregateconcretereplacementrateslendernessratioload-bearingcapacity*511783842012-K2-1220102612JK0902。[e-mail]。0、。。28m345%75%1。2-4。。Konno56。7。SRRAC。8。。11.1Q235BI10ρss3.6%。414ρs1.48%6.5@100ρsv0.57%。6。SRC15SRRAC14。1。150mmL50。1。201311r/%l0/bl0/mmb×h/mmSRRAC10SRRAC11SRRAC12SRRAC13SRRAC14SRC153030301007006912666120018002400120012001200200×200200×200200×200200×200200×200200×200rl0bh。1.2《》92。C40、、C302。20.42。3。42.5R。231.3、《》GB50152—92。3。2/m3/kg/kg/kg/kg/kgfrcu/N/mm2SRRAC10SRRAC11SRRAC12SRRAC13SRRAC14SRC150.060.090.120.060.060.0629.2843.9253.6829.2829.2829.2812.318.4522.5512.312.312.332.7649.1460.0632.7632.7632.7648.76273.14389.397020.969.6620.89831.34738.31369.6640.76045.445.445.449.048.747.23fy/N/mm2fu/N/mm2Es/N/mm2I10312.20391.502.44×10514385.32556.862.06×1056.5340.36472.89—1.4YE-10000F。1/101/200.2mm75%。123、、。22.16、、。、、300mm。。300mm、、。47437．。75%。4。4、6。。。、。。、。。2.2SRRAC-5。56--。。6、7。5-6。。7。673。10。3.112、3。3.2、。Nss=fsAss1Nrc=fyAs+fcAc2572013N=Nss+Nrc=fsAss+fyAs+fcAc33。。3。3φN=φNss+Nrc=φfsAss+fyAs+fcAc4AssAsAcfsfyfcφ《》GB50010—2010。。4。4/kN/kN/SRRAC10SRRAC11SRRAC12SRRAC13SRRAC14SRC151775170016401775168016851677166015931721166816311.061.021.031.031.011.0341.030.0170.016。4。。。。4341、。2。3。。1TULAYESIN．AstudyregardingtheenvironmentalimpactanalysisofthebuildingmaterialsproductionprocessJ．BuildingandEnvironment200742113860-3871．2．J．2005362141-144．3．J．201043185-88．4．J．200432121558-1561．5KONNOKSATOYKAKUTAYetal．PropertyofrecycledconcretecolumnencasedbysteeltubesubjectedtoaxialcompressionJ．TransactionsoftheJapanConcreteInstitute1997192231-238．6．J．200636111-10．7．M．2010．8．J．2009361223-27．9．M．1999．10．J．200737582-88．67