[1]汪梦甫,王义俊,徐亚飞.部分高阻尼剪力墙抗震性能试验研究与数值模拟[J].地震工程与工程振动,2016,36(04):042-53.[doi:10.13197/j.eeev.2016.04.42.wangmf.006]
 WANG Mengfu,WANG Yijun,XU Yafei.Experimental and numerical simulation on seismic performance of part high damping shear wall with concealed bracings[J].EARTHQUAKE ENGINEERING AND ENGINEERING DYNAMICS,2016,36(04):042-53.[doi:10.13197/j.eeev.2016.04.42.wangmf.006]
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部分高阻尼剪力墙抗震性能试验研究与数值模拟
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《地震工程与工程振动》[ISSN:/CN:]

卷:
36
期数:
2016年04
页码:
042-53
栏目:
出版日期:
2016-08-15

文章信息/Info

Title:
Experimental and numerical simulation on seismic performance of part high damping shear wall with concealed bracings
作者:
汪梦甫 王义俊 徐亚飞
湖南大学 土木工程学院, 湖南 长沙 410082
Author(s):
WANG Mengfu WANG Yijun XU Yafei
College of Civil Engineering, Hunan University, Changsha 410082, China
关键词:
高阻尼混凝土剪力墙暗支撑低周反复加载试验抗震性能
Keywords:
high damping concreteshear wallconcealed bracingquasi-static cyclic loading testseismic performance
分类号:
TU375;P315.9
DOI:
10.13197/j.eeev.2016.04.42.wangmf.006
摘要:
在高阻尼混凝土带暗支撑剪力墙研究的基础上,本文尝试在塑性区用部分高阻尼混凝土代替全部由高阻尼混凝土浇筑的剪力墙。为了进一步提高阻尼混凝土剪力墙的延性,提出了用具有超高延性高阻尼ECC在塑性区部分浇筑的剪力墙结构。为了准确把握部分高阻尼带暗支撑剪力墙的抗震性能,本文设计并完成了1片部分高阻尼带钢筋暗支撑剪力墙及1片部分高阻尼ECC带钢筋暗支撑剪力墙的低周反复加载试验,得到了2片剪力墙在低周反复荷载作用下的破坏模式、承载力、滞回曲线和耗能能力等抗震性能指标。通过与普通高阻尼混凝土带暗支撑剪力墙试验结果的对比,论证了部分高阻尼带暗支撑剪力墙的可行性,并应用有限元分析软件ABAQUS进行了数值模拟。结果表明:与高阻尼混凝土带暗支撑剪力墙相比,部分高阻尼混凝土剪力墙的承载力、延性和耗能降低不大。与部分高阻尼混凝土带暗支撑剪力墙相比,即使在较高轴压比下,部分高阻尼ECC剪力墙的承载力、刚度和耗能能力也有大幅度的提高,抗震性能得到显著改善。
Abstract:
Based on the studies of high damping concrete shear wall with concealed bracings, partly high damping concrete shear wall with concealed bracings was proposed in this paper. In order to improve the ductility of high damping concrete, high damping ECC materials was used to replace the high damping concrete in shear wall with concealed bracings. In this paper, one partly high damping shear wall with concealed bracings and one partly high damping ECC shear wall with concealed bracings are designed and fabricated, and the quasi-static cyclic loading test on the two shear walls are carried out, the bearing capacity, ductility, energy dissipation, failure characteristics of the two shear walls are obtained, and the experimental results of the two shear walls are compared with high damping concrete shear wall with concealed bracings. Meanwhile, finite element analysis of partly high damping shear walls with concealed bracings are finished by using the software ABAQUS. It is shown that, compared with high damping concrete shear wall with concealed bracings, partly high damping concrete shear wall with concealed bracings have been slightly reduced to a certain extent on the ultimate bearing capacity, the energy dissipation and the deformation capacity. Compared with high damping concrete shear wall with concealed bracings, partly high damping ECC shear wall with concealed bracings with high axial compression ratio have greater the ultimate bearing capacity, stiffness and energy dissipation capacity, and its seismic performance is improved significantly.

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备注/Memo

备注/Memo:
收稿日期:2015-06-02;改回日期:2015-06-24。
基金项目:国家自然科学基金项目(51278181,50978091);教育部博士点基金资助项目(20120161110022)
作者简介:汪梦甫(1965-),男,教授,博士,主要从事结构抗震研究.E-mail:wangmengfu@126.com
更新日期/Last Update: 1900-01-01