带缝空心保温RC剪力墙耗能性能试验研究
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摘要
为研究带缝空心保温钢筋混凝土剪力墙的耗能性能,设计并制作了3组钢筋混凝土空心保温剪力墙。通过水平低周反复荷载试验,研究了该剪力墙的破坏机理、滞回特性、延性与耗能性能等力学性能,分析了竖缝形式、连接键等对空心保温剪力墙耗能性能的影响。研究表明:设置竖缝和连接键可以改变剪力墙的受力模式,使剪力墙在刚度和承载力下降较小的情况下,延性和抗震性能得到较大提高。由于耗能机理的转变,连接键、竖缝内的钢筋和橡胶带参与耗能,较大程度地提高剪力墙的耗能性能。
In order to investigate the energy dissipation capability of slit hollow heat retaining shear wall,three specimens were designed and fabricated.By cyclic lateral loading tests,failure mechanism,hysteretic characteristic,ductility and energy dissipation capacity were researched.The effect of slit style and connectors on the energy dissipation capacity was analysed.Results show:settting slits and connectors changes the mechanic mode of the shear wall.Ductility and seismic behavior was improved greatly,with slight decline of stiffness and bearing capacity.With the transformation of energy dissipation mechanism and the participation of connectors,reinforcing bars and rubber,the energy dissipation capacity of slit hollow heat retaining shear walls was increased greatly.
In order to investigate the energy dissipation capability of slit hollow heat retaining shear wall,three specimens were designed and fabricated.By cyclic lateral loading tests,failure mechanism,hysteretic characteristic,ductility and energy dissipation capacity were researched.The effect of slit style and connectors on the energy dissipation capacity was analysed.Results show:settting slits and connectors changes the mechanic mode of the shear wall.Ductility and seismic behavior was improved greatly,with slight decline of stiffness and bearing capacity.With the transformation of energy dissipation mechanism and the participation of connectors,reinforcing bars and rubber,the energy dissipation capacity of slit hollow heat retaining shear walls was increased greatly.
引文
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[2]廉晓飞,邹超英.带竖缝钢筋混凝土剪力墙板在低周反复荷载作用下的工作性能试验研究[J].哈尔滨建筑大学学报,1996,29(1):31-36.LIAN Xiaofei,ZOU Chaoying.Test research on the working behavior of RC shear panels with vertical seams under low-cyclic loading[J].Journal ofHarbin University of Architecture and Engineering.1996,29(1):31-36.(in Chinese)
[3]Dai Hang,Chen Zhongfan,Albert K.H.Kwan,et al.Nonlinear behavior of reinforced concrete slit shear walls under seismic actions[J].Journal ofSoutheast University.1998,14(1):84-90.
[4]Ye Lieping,Kang Sheng.Seismic behavior of dual function slitted shear wall[J].Tsinghua Science and Technology,2001,6(5):453-457.
[5]Jiang Huanjun,Lu Xilin.Nonlinear earthquake response analysis and energy calculation for seismic slit shear wall structures[J].Earthquake Engi-neering and Engineering Vibration,2002,1(2):227-236.
[6]JGJ3-2002高层建筑混凝土结构技术规程[S].北京:中国建筑工业出版社,2002.JGJ 3-2002 Technical Specification for Concrete Structures of Tall Building[S].Beijing:China Building Industry Press,2002.(in Chinese)
[7]GB50010-2002混凝土结构设计规范[S].北京:中国建筑工业出版社,2002.GB 50010-2002 Code for Design of Concrete Structures[S].Beijing:China Building Industry Press,2002.(in Chinese)
[8]GB50152-92混凝土结构试验方法标准[S].北京:中国建筑工业出版社,1992.GB 50152-92 Standard Methods for Testing of Concrete Structures[S].Beijing:China Building Industry Press,1992.(in Chinese)
[9]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(1):104-111.LI Qingning,LI Xiaolei,LEI Weining.Stiffness and ductility of short shear walls with T-shaped cross section[J].Journal of Earthquake Engineeringand Engineering Vibration,2010,30(1):104-111.(in Chinese)
[10]史庆轩,侯炜,刘飞,等.钢筋混凝土核心筒抗震性能试验研究[J].建筑结构学报,2011,32(10):119-129.SHI Qingxuan,HOU Wei,LIU Fei,et al.Experiment on seismic behavior of reinforced concrete core walls under low cycle reversed loading[J].Journal of Building Structures,2011,32(10):119-129.(in Chinese)
[11]柳炳康,宋满荣,黄慎江,等.三层预压装配式预应力混凝土框架抗震性能试验研究[J].建筑结构学报,2011,32(9):99-106.LIU Bingkang,SONG Manrong,HUANG Shenjiang,et al.Experimental study on seismic performance of three story post-tensioned precast RC frame[J].Journal of building Structures,2011,32(9):99-106.(in Chinese)
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