预制墙体钢板抗剪键连接试验与数值模拟研究
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摘要
预制装配式剪力墙结构的抗震性能主要取决于结构水平连接和竖缝连接,本文研究模型为一种新型连接形式,即预制装配式剪力墙钢板抗剪键,该连接形式由北京市建筑设计研究院有限公司设计。本文主要通过对该种连接形式进行试验和数值模拟研究,分析该种连接形式受力性能,包括承载力、抗震性能和延性性质。试验共设计了5组尺寸相同的试件,在不同轴压作用下进行低周往复加载得出滞回曲线和骨架曲线,并采用ABAQUS有限元软件对其模拟,得出数值结果与试验结果进行对比。结果表明:该种连接形式具有一定的承载力,在轴压为正时试件具有很好的延性,试验和数值结果吻合较好。表明该种连接可以运用到实际工程结构中。
The seismic performance of pre-fabricated wall structure depends on the level and vertical joint connection. The steel plate shear connector is a new type of connection in pre-fabricated concrete wall. This kind of connection is designed by the Beijing Architectural Design Institute Co. Ltd. The form of test and numerical simulation is mainly studied,and the analysis of the connection focus on force performance including bearing capacity,ductility and seismic performance properties. Five sets of the same size specimen which were put on low cyclic loading with different axial pressure are designed,and the hysteretic curves and skeleton curves are gotten. The ABAQUS were applied to simulate them. The numerical results are compared with the experimental results. The results show that the connection has certain bearing capacity and good ductility with positive axial pressure. The experimental and numerical results are in good agreement. Analysis results show that this kind of connection can be applied to actual engineering structure.
The seismic performance of pre-fabricated wall structure depends on the level and vertical joint connection. The steel plate shear connector is a new type of connection in pre-fabricated concrete wall. This kind of connection is designed by the Beijing Architectural Design Institute Co. Ltd. The form of test and numerical simulation is mainly studied,and the analysis of the connection focus on force performance including bearing capacity,ductility and seismic performance properties. Five sets of the same size specimen which were put on low cyclic loading with different axial pressure are designed,and the hysteretic curves and skeleton curves are gotten. The ABAQUS were applied to simulate them. The numerical results are compared with the experimental results. The results show that the connection has certain bearing capacity and good ductility with positive axial pressure. The experimental and numerical results are in good agreement. Analysis results show that this kind of connection can be applied to actual engineering structure.
引文
[1]郑海.预制预应力剪力墙抗震性能试验研究与ABAQUS分析[D].山东建筑大学,2011Zheng Hai.Test Research and ABAQUS Analysis of Seismic Performance of Precast Prestressed Shear Wall[D].Shandong Jianzhu University,2011(in Chinese)
[2]蔡柳鹤.型钢-混凝土装配式剪力墙节点抗震性能研究[D].北京建筑工程学院,2012Cai Liu-he.Research on the Seismic Performance of Joints of Steel-concrete Composite Shear Wall[D].Beijing University of Civil Engineering and Architecture,2011(in Chinese)
[3]戴航,陈贵.反复荷载下钢筋混凝土剪力墙的非线性有限元分析[J].工程力学,1993,10(1):105~111Dai Hang,Chen Gui.Nonlinear FEW analysis of R.C.Shear Wall under Cycle Loading[J].Engineering Mechanics,1993,10(1):105-111(in Chinese)
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[6]GB50010-2010,混凝土结构设计规范[S]GB50010-2010,Code for Design of Concrete Structures[S](in Chinese)
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[2]蔡柳鹤.型钢-混凝土装配式剪力墙节点抗震性能研究[D].北京建筑工程学院,2012Cai Liu-he.Research on the Seismic Performance of Joints of Steel-concrete Composite Shear Wall[D].Beijing University of Civil Engineering and Architecture,2011(in Chinese)
[3]戴航,陈贵.反复荷载下钢筋混凝土剪力墙的非线性有限元分析[J].工程力学,1993,10(1):105~111Dai Hang,Chen Gui.Nonlinear FEW analysis of R.C.Shear Wall under Cycle Loading[J].Engineering Mechanics,1993,10(1):105-111(in Chinese)
[4]陆新征,叶列平,缪志伟,等.建筑抗震弹塑性力学分析[M].北京:中国建筑工业出版社,2011Lu Xin-zheng,Ye Lie-ping,Miao Zhi-wei.Elastoplastic Analysis of Buildings Against Earthquake[M].Beijing:China Architecture&Building Press,2011(in Chinese)
[5]刘继新,李文峰,王啸霆,等.新型装配整体式墙体抗震性能试验研究[J].地震工程与工程振动,2012,32(6):110~118Liu Ji-xin,Li Wen-feng,Wang Xiao-ting,et al.Seismic Behavior of a New Assembled Monolithic Concrete Wall Structure[J].Journal of Earthquake Engineering and Engineering Vibration,2012,32(6):110~118(in Chinese)
[6]GB50010-2010,混凝土结构设计规范[S]GB50010-2010,Code for Design of Concrete Structures[S](in Chinese)
[7]张艳霞,叶吉健,赵微,等.自复位平面钢框架推覆分析[J].地震研究,2014,37(3):477~484.Zhang Yan-xia,Ye Ji-jian,Zhao Wei,et al.Pushover Analysis of Self-centering Steel Moment-resisting Plane Frame[J].Journal of Seismological Research,2014,37(3):477~484(in Chinese)
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