碳纤维增强复材布加固前后T型竖缝耗能装配式剪力墙抗震性能试验研究

张玉敏; 李祥; 庞豹; 王宇亮; 蔡占军; 何斌

doi:10.13204/j.gyjzG20092309

碳纤维增强复材布加固前后T型竖缝耗能装配式剪力墙抗震性能试验研究

doi: 10.13204/j.gyjzG20092309

张玉敏^1,2,
李祥^1,2,
庞豹^1,2,
王宇亮^1,2, ,,
蔡占军^1,2,
何斌^1,2

1. 华北理工大学建筑工程学院, 河北唐山 063210;
2. 河北省地震工程研究中心, 河北唐山 063009

基金项目:

国家自然科学基金项目（51678237）；河北省建设科技研究计划项目（2020-05-02）

详细信息

作者简介:
张玉敏,女,1973年出生,博士,教授,硕士生导师

通讯作者:
王宇亮,男,副教授,硕士生导师,14522466@qq.com。

计量
- 文章访问数: 85
- HTML全文浏览量: 18
- PDF下载量: 2
- 被引次数: 0
出版历程
- 收稿日期: 2020-09-23
- 网络出版日期: 2022-02-21

EXPERIMENTAL RESEARCH ON SEISMIC PERFORMANCE OF T-SHAPED PREFABRICATED SHEAR WALLS WITH ENERGY-DISSIPATING VERTICAL JOINTS BEFORE AND AFTER STRENGTHENING WITH CFRP SHEETS

ZHANG Yumin^1,2,
LI Xiang^1,2,
PANG Bao^1,2,
WANG Yuliang^{1,2
, ,},
CAI Zhanjun^1,2,
HE Bin^1,2

1. College of Civil and Architectural Engineering, North China University of Science and Technology, Tangshan 063210, China;
2. Earthquake Engineering Research Center of Hebei Province, Tangshan 063009, China

摘要

摘要: 为研究竖缝耗能的T型装配式剪力墙接缝及整体构件的抗震性能，对2个T型竖缝耗能剪力墙试件进行拟静力试验，直至加载到试件破坏，破坏后的试件采用碳纤维增强复材（CFRP）布加固处理后进行二次加载。剪力墙的主要变化参数为轴压比（0.1、0.3），对比分析加固前后剪力墙的承载能力、滞回性能、耗能性能及刚度退化等。研究结果表明：T型竖缝耗能剪力墙具有良好的工作性能，且CFRP加固结构能快速恢复建筑使用功能。加固前后位移延性系数均接近或大于3，试件具有良好的变形能力。阻尼器具有良好的连接和工作性能，试件整体表现出较好的耗能能力。
- 装配式剪力墙 /
- 竖缝 /
- 拟静力试验 /
- CFRP布加固 /
- 抗震性能
Abstract: In order to study the seismic performance of joints and integral components of T-shaped prefabricated shear walls with enengy-dissipating vertical joints, quasi-static tests were carried out on two T-shaped shear wall specimens with enengy-dissipating vertical joints until the specimens were damaged. The damaged specimens were reinforced with carbon fiber sheets and subjected to secondary loading. The main change parameter of the shear wall was the axial compression ratio (0.1, 0.3). The bearing capacity, hysteretic performance, energy dissipation performance and stiffness degradation of the shear walls before and after reinforcement were compared and analyzed. The research results showed that:T-shaped shear wall with enengy-dissipating vertical joint showed good working performance, and the CFRP reinforced structure could quickly restore the building's function. The displacement ductility coefficients before and after reinforcement were close to or higher than 3, which reflected the good deformability of the specimen. The damper had good connection and working performance, and the specimen as a whole showed good enengy-dissipating capacity.
- prefabricated shear wall /
- vertical joint /
- quasi-static testing /
- CFRP sheet reinforcement /
- seismic performance

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