弯剪破坏钢筋混凝土柱的荷载-变形关系
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摘要
在传统的弯曲截面理论分析方法基础上,结合钢筋混凝土弯剪破坏柱的受力特点,对太平洋地震工程研究中心(PEER)钢筋混凝土柱抗震性能试验数据库中的试验数据进行分析,提出了一种确定弯剪破坏钢筋混凝土偏心受压构件荷载-变形关系的实用方法。研究结果表明:采用该方法计算得到的荷载-变形曲线与试验结果吻合良好,可用于确定地震作用下弯剪破坏钢筋混凝土偏心受压构件恢复力模型的骨架曲线。
In order to model the lateral load-deformation relations of reinforced concrete eccentric compression members with flexural-shear failure,a simplified method was presented based on the conventional section analysis techniques and test data analysis in the Pacific Earthquake Engineering Research Center(PEER) structural performance database,and mechanical behaviors of flexural-shear failure columns were also considered.The study results show that the predicted load-deformation curves match the experimental data with adequate accuracy,so it can be used to simulate the skeleton curve of hysteresis model of reinforced concrete eccentric compression members with flexural-shear failure subjected to seismic load.
In order to model the lateral load-deformation relations of reinforced concrete eccentric compression members with flexural-shear failure,a simplified method was presented based on the conventional section analysis techniques and test data analysis in the Pacific Earthquake Engineering Research Center(PEER) structural performance database,and mechanical behaviors of flexural-shear failure columns were also considered.The study results show that the predicted load-deformation curves match the experimental data with adequate accuracy,so it can be used to simulate the skeleton curve of hysteresis model of reinforced concrete eccentric compression members with flexural-shear failure subjected to seismic load.
引文
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[3]贡金鑫,李金波,赵国藩.受腐蚀钢筋混凝土构件的恢复力模型[J].土木工程学报,2005,38(11):38-44,101.GONG Jin-xin,LI Jin-bo,ZHAO Guo-fan.RestoringForce Model of Corroded Reinforced Concrete Elem-ents[J].China Civil Engineering Journal,2005,38(11):38-44,101.
[4]SETZLER E J,SEZEN H.Model for the Lateral Be-havior of Reinforced Concrete Columns IncludingShear Deformations[J].Earthquake Spectra,2008,24(2):493-511.
[5]YOSHIKAWA H,MIYAGI T.Ductility and FailureModes of Single Reinforced Concrete Columns[J].Nippon Konkurito Kogaku Kyokai Ronbunshu,1999,51:229-244.
[6]MOSTAFAEI H,KABEYASAWA T.Axial-shear-flexure Interaction Approach for Reinforced ConcreteColumns[J].ACI Structural Journal,2007,104(2):218-226.
[7]魏巍巍.钢筋混凝土结构基于修正压力场理论的承载力和变形研究[D].大连:大连理工大学,2010.WEI Wei-wei.Study on Bearing Capacity and Deform-ation of Reinforced Concrete Structure Based on Modi-fied Compression Field Theory[D].Dalian:Dalian Uni-versity of Technology,2010.
[8]ESMAEILY-GH A,XIAO Y.Seismic Behavior ofBridge Columns Subjected to Various Loading Pat-terns[R].Berkeley:PEER,2002.
[9]贡金鑫,魏巍巍,赵尚传.现代混凝土结构基本理论及应用[M].北京:中国建筑工业出版社,2009.GONG Jin-xin,WEI Wei-wei,ZHAO Shang-chuan.Fundamental Theory and Application of Modern Re-inforced Concrete Structures[M].Beijing:ChinaArchitecture&Building Press,2009.
[10]SAATCIOGLU M,RAZVI S R.Strength and Ductili-ty of Confined Concrete[J].Journal of Structural En-gineering,1992,118(6):1590-1607.
[11]YALCIN C,SAATCIOGLU M.Inelastic Analysis ofReinforced Concrete Columns[J].Computers andStructures,2000,77(5):539-555.
[12]谢旭.桥梁结构地震响应分析与抗震设计[M].北京:人民交通出版社,2006.XIE Xu.Seismic Response and Earthquake ResistantDesign of Bridge Structures[M].Beijing:China Com-munications Press,2006.
[13]PRIESTLEY MJ N,PARK R.Strength and Ductilityof Concrete Bridge Columns Under Seismic Loading[J].ACI Structural Journal,1987,84(1):61-76.
[14]BERRY M,PARRISH M,EBERHARD M.PEERStructural Performance Database User s Manual[R].Berkeley:PEER,2004.
[15]赵国藩.高等钢筋混凝土结构学[M].北京:中国电力出版社,1999.ZHAO Guo-fan.Advanced Theory of Reinforced Con-crete Structures[M].Beijing:China Electric PowerPress,1999.
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