T形与L形截面局部设缝短肢剪力墙抗扭性能试验研究
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摘要
针对T形与L形截面局部设缝短肢剪力墙抗扭性能进行研究。分别对墙体底部局部设缝的2个T形以及2个L形截面短肢剪力墙试件进行低周拟静力扭转反复加载试验,表明试件扭矩—扭转角滞回环包围面积较小,扭转耗能较弱,延性较小,抵抗扭转地震作用能力不大,从而提出限制地震作用的楼层层间扭转角以保障短肢剪力墙的基本抗震性能,即结构楼层层间扭转角不应超过各短肢剪力墙的层间允许扭转角,并对短肢剪力墙的层间允许扭转角给出了建议。
Torsional behaviors of T-shaped and L-shaped cross section short shear walls with local joints were studied. Torsional cyclic loading tests were conducted on two T-shaped and two L-shaped cross section short shear walls with local joints at the bottom of the walls,which indicate that the area of hysteretic loop for the torsion-torsion angle of the wall is small and therefore,torsional energy dissipation and torsional ductility are poor. Based on this,it is presented that the torsional angle between adjacent floor slabs under the earthquake actions need to be limited rationally to ensure the basic seismic behaviors of the walls. The analysis results show that the torsional angle between adjacent floor slabs should not exceed that of short shear walls in the floor. Allowable values of the torsional angle between adjacent floor slabs of short shear walls were proposed.
Torsional behaviors of T-shaped and L-shaped cross section short shear walls with local joints were studied. Torsional cyclic loading tests were conducted on two T-shaped and two L-shaped cross section short shear walls with local joints at the bottom of the walls,which indicate that the area of hysteretic loop for the torsion-torsion angle of the wall is small and therefore,torsional energy dissipation and torsional ductility are poor. Based on this,it is presented that the torsional angle between adjacent floor slabs under the earthquake actions need to be limited rationally to ensure the basic seismic behaviors of the walls. The analysis results show that the torsional angle between adjacent floor slabs should not exceed that of short shear walls in the floor. Allowable values of the torsional angle between adjacent floor slabs of short shear walls were proposed.
引文
[1]张敏.局部设缝T形与L形截面短肢剪力墙抗震性能试验研究[J].世界地震工程,2014,30(3):27-38.Zhang Min.Experimental research on seismic behavior of short shear walls of T-shaped and L-shaped cross section with local joint[J].World Earthquake Engineering,2014,30(3):27-38.(in Chinese)
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[10]肖良丽,陈萌,孟会英.Ansys分析短肢剪力墙抗震性能[J].世界地震工程,2007,23(2):171-175.Xiao Liangli,Chen Meng,Meng Huiying.Ansys analysis of earthquake-resistant behavior of short-limbed walls[J].World Earthake Engineering,2007,23(2):171-175.(in Chinese)
[11]蔡全智,高湛,李华,等.短肢剪力墙低周反复试验及ANSYS分析[J].武汉理工大学学报,2005,27(12):49-52.Cai Quanzhi,Gao Zhan,Li Hua,et al.Experiment of SLW under monotonic and cyclic reversed loading and its Ansys analysis[J].Journal of Wuhan University of Technology,2005,27(12):49-52.(in Chinese)
[12]黄东生,程文眄,彭飞.短肢剪力墙的弹塑性性能研究[J].东南大学学报,2003,33(2):164-167.Huang Dongshen,Cheng Wenmian,Peng Fei.Research on elastic-plastic behavior of short-limbed shear wall[J].Journal of Southeast University,2003,33(2):164-167.(in Chinese)
[13]Zhang Yunfeng,Wang Zhihao.Seismic behavior of reinforced concrete shear walls subjected to high axial loading[J].ACI Structural Journal,2000,97(5):739-750.
[14]Kwan A K H,Cheng Y K.Non-linear seismic response of reinforced concrete slit shear walls[J].Journal of Sound and Vibration,1999,226(4):703-718.
[15]刘继明.钢筋混凝土复合受力构件受扭行为和设计方法的研究[D].西安:西安建筑科技大学,2004.Liu Jiming.The Study on torsional behaviors and design method of reinforced concrete combined force[D].Xi’an:Xi’an University of Architecture and Technology,2004.(in Chinese)
[2]李青宁,李晓蕾,闫艳伟,等.钢筋混凝土短肢剪力墙抗震性能试验研究[J].建筑结构学报,2011,32(4):53-62.Li Qingning,Li Xiaolei,Yan Yanwei,et al.Experimental research on seismic performance of reinforced concrete short-leg shear wall[J].Journal of Building Structures,2011,32(4):53-62.(in Chinese)
[3]张品乐,李青宁.短肢剪力墙抗震性能试验[J].建筑结构,2010,40(12):98-100.Zhang Pinle,Li Qingning.Experimental research on seismic performance of the short pier shear wall[J].Building Structures,2010,40(12):98-100.(in Chinese)
[4]李晓莉,常玉珍,吴敏哲.异形柱和短肢剪力墙的轴压比限值比较分析[J].西安建筑科技大学学报(自然科学版),2010,42(4):504-508.Li Xiaoli,Chang Yuzhen,Wu Minzhe.Comparative analysis on the axial compression ratio limit of the special-shape column and the short-shear wall[J].Journal Xi’an University of Architecture and Technology(Natural Science),2010,42(4):504-508.(in Chinese)
[5]张品乐,李青宁,李晓蕾.L形截面短肢剪力墙抗震性能的模型试验研究[J].地震工程与工程振动,2010,30(4):51-56.Zhang Pinle,Li Qingning,Li Xiaole.Experimental research on seismic performance of short pier shear wall with L-shaped section[J].Journal of Earthquake Engineering and Engineering Vibration,2010,30(4):51-56.(in Chinese)
[6]李青宁,李晓蕾,雷伟宁.T形截面短肢剪力墙刚度及延性研究[J].地震工程与工程振动,2010,30(2):104-111.Li Qingning,Li Xiaolei,Lei Weining.Stiffness and ductility of short shear walls with T-shaped cross section[J].Journal of Earthquake Engineering and Engineering Vibration,2010,30(2):104-111.(in Chinese)
[7]吴敏哲,杨玉东,艾兵.T形截面短肢剪力墙的非线性分析[J].工业建筑,2010,40(4):60-64.Wu Minzhe,Yang Yudong,Ai Bin.Nonlinear analysis of short shear walls with T-shaped cross section[J].Industrial Construction,2010,40(4):60-64.(in Chinese)
[8]吴敏哲,杨玉东,郭棣.T形截面型钢混凝土短肢剪力墙低周反复荷载试验研究[J].西安建筑科技大学学报(自然科学版),2009,41(4):461-466.(in Chinese)Wu Minzhe,Yang Yudong,Guo Di.An experiment study on the behavior of steel reinforced concrete short-limbed shear wall structure under different directional cyclic loading[J].Journal Xi’an University of Architecture and Technology(Natural Science),2009,41(4):461-466.(in Chinese)
[9]杨玉东.T形截面型钢混凝土短肢剪力墙抗震性能试验研究[D].西安:西安建筑科技大学,2007.Yang Yudong.Experimental study on the behavior of steel reinforced concrete short-limbed shear wall[D].Xi’an University of Architecture and Technology,2007.(in Chinese)
[10]肖良丽,陈萌,孟会英.Ansys分析短肢剪力墙抗震性能[J].世界地震工程,2007,23(2):171-175.Xiao Liangli,Chen Meng,Meng Huiying.Ansys analysis of earthquake-resistant behavior of short-limbed walls[J].World Earthake Engineering,2007,23(2):171-175.(in Chinese)
[11]蔡全智,高湛,李华,等.短肢剪力墙低周反复试验及ANSYS分析[J].武汉理工大学学报,2005,27(12):49-52.Cai Quanzhi,Gao Zhan,Li Hua,et al.Experiment of SLW under monotonic and cyclic reversed loading and its Ansys analysis[J].Journal of Wuhan University of Technology,2005,27(12):49-52.(in Chinese)
[12]黄东生,程文眄,彭飞.短肢剪力墙的弹塑性性能研究[J].东南大学学报,2003,33(2):164-167.Huang Dongshen,Cheng Wenmian,Peng Fei.Research on elastic-plastic behavior of short-limbed shear wall[J].Journal of Southeast University,2003,33(2):164-167.(in Chinese)
[13]Zhang Yunfeng,Wang Zhihao.Seismic behavior of reinforced concrete shear walls subjected to high axial loading[J].ACI Structural Journal,2000,97(5):739-750.
[14]Kwan A K H,Cheng Y K.Non-linear seismic response of reinforced concrete slit shear walls[J].Journal of Sound and Vibration,1999,226(4):703-718.
[15]刘继明.钢筋混凝土复合受力构件受扭行为和设计方法的研究[D].西安:西安建筑科技大学,2004.Liu Jiming.The Study on torsional behaviors and design method of reinforced concrete combined force[D].Xi’an:Xi’an University of Architecture and Technology,2004.(in Chinese)
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