基于OpenSees的钢-混凝土组合梁非线性有限元分析
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摘要
基于OpenSees开源软件平台,采用Tcl语言编制了钢-混凝土组合梁纤维截面函数,结合基于纤维截面的非线性梁柱单元,集成了钢-混凝土组合梁纤维模型,可用于完全剪力连接的钢-混凝土组合梁构件及结构在竖向荷载及水平往复荷载作用下的整体弹塑性分析。与国内外大量试验结果的对比表明,所提钢-混凝土组合梁纤维模型具有较高的精度和较为广泛的适用性。
On the basis of OpenSees platform,the section function of steel-concrete composite beam fibre was compiled by use of Tcl Language.Combinig with nonlinear beam-column element besed on fibre section,the steel-concrete composite beam fibre model was integrated.The model can be used for elastoplastic analysis of steel-concrete composite beam components connected wholly by shear force and whole structure under action of vertical load and horizontal cyclic load.The comparison with a large number of test results published at home and abroad shows that the steel-concrete composite beam fibre model has more high accuracy and extensive applicability.
On the basis of OpenSees platform,the section function of steel-concrete composite beam fibre was compiled by use of Tcl Language.Combinig with nonlinear beam-column element besed on fibre section,the steel-concrete composite beam fibre model was integrated.The model can be used for elastoplastic analysis of steel-concrete composite beam components connected wholly by shear force and whole structure under action of vertical load and horizontal cyclic load.The comparison with a large number of test results published at home and abroad shows that the steel-concrete composite beam fibre model has more high accuracy and extensive applicability.
引文
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[6]聂建国,李法雄,樊健生,张晓光,刁谡.不同翼板形式组合梁受弯性能试验研究[J].公路交通科技,2009,26(10):53-58.NIE Jianguo,LI Faxiong,FAN Jiansheng,ZHANG Xiaoguang,et al.Experiment study on the bending capacity of composite beams with differentstyles of concrete flange[J].Journal of Highway and Transportation Research and Development,2009,26(10):53-58.
[7]薛伟辰,李昆,李杰.钢混凝土组合梁低周反复荷载试验研究[J].地震工程与工程振动,2002,22(6):65-70.XUE Weichen,LI Kun,LI Jie.Study on steel-concrete composite beams under low-reversed cyclic loading[J].Journal of Earthquake Engi-neering and Engineering Vibration,2002,22(6):65-70.
[8]Udagawa K,Mimura H.Behavior of composite beam frame by pseudodynamic testing[J].Journal of Structural Engineering,ASCE,1991,117(5):1317-1335.
[9]Bursi O S,Gramola G.Behavior of composite substructures with full and partial shear connection under quasi-static cyclic and pseudo-dynamicdisplacements[J].Material and Structures,2000,33(3):154-163.
[2]陆新征,缪志伟,江见鲸,叶列平.静力和动力荷载作用下混凝土高层结构的倒塌模拟[J].山西地震,2006,126(2):7-11.LU Xinzheng,MIAO Zhiwei,JIANG Jianjing,YE Lieping.Collapse simulation of high-rise structure of concrete under the action of static anddynamic load[J].Earthquake Research in Shanxi,2006,126(2):7-11.
[3]周新炜,李志山,李云贵.基于ABAQUS纤维梁元的混凝土单轴滞回本构模型的开发与应用[C]//第十四届全国工程设计计算机应用学术会议论文集,2008.ZHOU Xinwei,LI Zhishan,LI Yungui.Development and application of the uniaxial hysteretic material model based on fiber beam element inABAQUS[C]//The 14th Engineering Design and Computer Application Conference,2008.
[4]郑三锁,王唯,李龙,等.基于纤维模型的型钢混凝土柱精细化建模分析[J].广西大学学报(自然科学版),2012,37(2):197-203.ZHENG Shansuo,WANG Wei,LI Long,et al.Accurate modeling of SRC columns based on OpenSEES[J].Journal of Guangxi University:NatSci Ed,2012,37(2):197-203.
[5]聂建国,陶慕轩.采用纤维梁单元分析钢-混凝土组合结构地震反应的应用[J].建筑结构学报,2011,32(10):11-20.NIE Jianguo,TAO Muxuan.Theory of seismic response analysis of steel-concrete composite structures using fiber beam elements[J].Journal ofBuilding Structures,2011,32(10):11-20.
[6]聂建国,李法雄,樊健生,张晓光,刁谡.不同翼板形式组合梁受弯性能试验研究[J].公路交通科技,2009,26(10):53-58.NIE Jianguo,LI Faxiong,FAN Jiansheng,ZHANG Xiaoguang,et al.Experiment study on the bending capacity of composite beams with differentstyles of concrete flange[J].Journal of Highway and Transportation Research and Development,2009,26(10):53-58.
[7]薛伟辰,李昆,李杰.钢混凝土组合梁低周反复荷载试验研究[J].地震工程与工程振动,2002,22(6):65-70.XUE Weichen,LI Kun,LI Jie.Study on steel-concrete composite beams under low-reversed cyclic loading[J].Journal of Earthquake Engi-neering and Engineering Vibration,2002,22(6):65-70.
[8]Udagawa K,Mimura H.Behavior of composite beam frame by pseudodynamic testing[J].Journal of Structural Engineering,ASCE,1991,117(5):1317-1335.
[9]Bursi O S,Gramola G.Behavior of composite substructures with full and partial shear connection under quasi-static cyclic and pseudo-dynamicdisplacements[J].Material and Structures,2000,33(3):154-163.
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