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[1]谷 倩,余 纲,谭 园,等.带构造边缘构件的L形双面叠合剪力墙抗震性能试验研究[J].建筑科学与工程学报,2021,38(05):47-55.[doi:10.19815/j.jace.2021.01010]
 GU Qian,YU Gang,TAN Yuan,et al.Experimental Study on Seismic Behavior of L-shape Double-side Precast Composite Shear Walls with Constructional Boundary Elements[J].Journal of Architecture and Civil Engineering,2021,38(05):47-55.[doi:10.19815/j.jace.2021.01010]
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带构造边缘构件的L形双面叠合剪力墙抗震性能试验研究(PDF)
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《建筑科学与工程学报》[ISSN:1673-2049/CN:61-1442/TU]

卷:
38卷
期数:
2021年05期
页码:
47-55
栏目:
出版日期:
2021-09-15

文章信息/Info

Title:
Experimental Study on Seismic Behavior of L-shape Double-side Precast Composite Shear Walls with Constructional Boundary Elements
文章编号:
1673-2049(2021)05-0047-09
作者:
谷 倩1余 纲1谭 园2赵端锋1高洪远3
(1. 武汉理工大学 土木工程与建筑学院,湖北 武汉 430070; 2. 美好建筑装配科技有限公司,湖北 武汉 430071; 3. 长江勘测规划设计研究有限公司,湖北 武汉 430010)
Author(s):
GU Qian1 YU Gang1 TAN Yuan2 ZHAO Duan-feng1 GAO Hong-yuan3
(1.School of Civil Engineering and Architecture, Wuhan University of Technology, Wuhan 430070, Hubei, China; 2. Myhome Prefabricated Building and Technological Co., Ltd., Wuhan 430071, Hubei, China; 3. Changjiang Institute of Survey, Planning, Design and Research Co., Ltd., Wuhan 430010, Hubei, China)
关键词:
L形双面叠合剪力墙 抗震性能 拟静力试验 构造边缘构件
Keywords:
L-shape double-side precast composite shear wall seismic behavior pseudo-dynamic test constructional boundary element
分类号:
TU375
DOI:
10.19815/j.jace.2021.01010
文献标志码:
A
摘要:
为研究装配整体式叠合剪力墙结构体系中带构造边缘构件的L形截面双面叠合剪力墙的抗震性能,开展了轴压比为0.2的1片L形双面叠合剪力墙足尺试件和1片现浇剪力墙足尺对比试件的拟静力抗震试验,根据试验数据对比分析了试件的各项抗震性能指标。结果表明:叠合剪力墙与现浇剪力墙均呈现典型的弯剪破坏特征; 极限破坏时,L形剪力墙腹板墙肢构造边缘构件的底部区域混凝土被压碎,纵筋屈服或被拉断; 叠合剪力墙翼缘受拉时的正向受弯承载力比现浇墙低14.6%,翼缘受压时的反向受弯承载力比现浇墙低9.2%; 正向加载时,叠合剪力墙的初始刚度比现浇墙大,屈服后刚度退化速度快; 反向加载时,叠合剪力墙的初始刚度及刚度退化规律与现浇墙基本一致; L形现浇构造边缘构件与叠合墙板交界处采用的另设钢筋搭接连接方式具有良好的传力性能; L形双面叠合剪力墙的抗震性能与现浇墙相比有一定差距,建议提高构造边缘构件的配筋率。
Abstract:
In order to study the seismic behavior of L-shape double-side precast composite shear walls with constructional boundary element in the superimposed slab shear wall structural system, the pseudo-dynamic test on a full-scale L-shape double-side precast shear wall and a cast-in-place shear wall was completed with the axial compressive ratio 0.2. Through comparative analysis, the seismic behavior of the specimens was evaluated. The results show that composite shear wall and cast-in-place shear wall both present typical bending-shear failure characteristics. When the ultimate failure occurs, the concrete in the bottom area of the boundary element in the web of L-shape shear wall is crushed, and the longitudinal reinforcement is yielded or broken. The positive bending capacity of the flange on the composite shear wall under tension is 14.6% lower than that of the cast-in-place shear wall, while the reverse bending capacity of the flange under compression is 9.2% lower than that of the cast-in-place shear wall. The initial stiffness of the precast composite shear wall is lower than that of the cast-in-place wall under positive loading,and the rate of stiffness degradation after yielding is faster. The initial stiffness of the precast composite shear wall and the law of stiffness degradation after yielding under negative loading are basically the same as those of the cast-in-place shear wall. The joint between the L-shape cast-in-place constructional boundary element and composite wall connected with additional steel bar has good force transmission performance. The seismic performance of L-shape double-side composite shear wall is not as good as the cast-in-place wall, it is suggested that the reinforcement ratio of the constructional boundary elements should be increased.

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备注/Memo

备注/Memo:
收稿日期:2021-01-03
基金项目:武汉市城建局科技计划项目(201922); 2017年湖北省地方标准制修订计划项目(201721)
作者简介:谷 倩(1972-),女,山东巨野人,教授,博士研究生导师,工学博士,E-mail:guqian@whut.edu.cn。
更新日期/Last Update: 2021-09-01