水平接缝连接方式对双面叠合剪力墙抗震性能影响的试验研究

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摘要通过对4片采用不同水平接缝连接方式的双面叠合剪力墙和1片全现浇剪力墙试件进行拟静力抗震试验，对比研究了墙体的破坏形态、滞回性能、承载力、位移延性、耗能能力和刚度退化特征。试验结果表明：各双面叠合剪力墙试件的极限破坏形态与现浇剪力墙试件基本相同；部分叠合剪力墙试件的抗震指标与现浇剪力墙对比试件相近，具有较好的抗震性能；水平接缝采用竖向连接钢筋搭接连接与采用竖向连接钢筋约束搭接连接方式的双面叠合剪力墙试件的承载能力更接近于现浇剪力墙试件；采用相同竖向钢筋连接方式的双面叠合剪力墙试件，钢筋搭接区带约束螺旋筋的试件比不带螺旋筋试件的极限变形能力强，但承载力相差不大；采用竖向连接钢筋连接方式且钢筋搭接长度大于等于1.2laE的双面叠合剪力墙试件的抗震性能满足现行相关规范的要求。

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	董格1
	谷倩1
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关键词 ：预制混凝土, 双面叠合剪力墙, 水平接缝, 拟静力试验, 抗震性能

Abstract：Quasi-static tests on four double-face superposed shear walls with different horizontal connection as well as on one cast-in-place shear wall were carried out.Their failure modes, hysteretic loops, bearing capacity, displacement ductility, energy dissipation capacity and stiffness degradation were comparatively analysed.The test results indicate that the ultimate failure pattern of the double-face superposed shear walls is the same as that of the reinforced concrete shear wall.The seismic indexes of some double-face superposed shear walls are the same as that of the reinforced concrete shear wall, which indicates they have good seismic behavior.The bearing capacity of double-face superposed shear walls with horizontal connection of a vertical bar or a vertical bar with constraint spiral stirrups are more close to that of the cast-in-place wall.With the same vertical bar joining method, the double-face superposed shear wall specimens with constraint spiral stirrups in the lap zone have stronger ultimate deformation capacity than those without spiral stirrups, but the bearing capacity is not much different.The seismic behavior of double-face superposed shear walls with vertical bar joining whose laplength is greater than 1.2laE in horizontal connection can satisfy the current code requirements.

Key words： precast concrete double-face superposed shear wall horizontal connection quasi-static seismic test；seismic behavior

收稿日期: 2018-08-14 出版日期: 2020-01-15

引用本文:

董格1，谷倩1，谭圆2，田水1，高洪远3. 水平接缝连接方式对双面叠合剪力墙抗震性能影响的试验研究[J]. 振动与冲击, 2020, 39(2): 107-114.
DONG Ge1，GU Qian1，TAN Yuan2，TIAN Shui1, GAO Hongyuan3. Experimental analysis on the seismic performance of prefabricated double-face-superposed shear walls with different horizontal connection. JOURNAL OF VIBRATION AND SHOCK, 2020, 39(2): 107-114.

链接本文:

http://jvs.sjtu.edu.cn/CN/ 或 http://jvs.sjtu.edu.cn/CN/Y2020/V39/I2/107

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