[1]柯晓军,苏益声,王晓燕.双肢空腹式型钢高强混凝土短肢剪力墙抗震性能试验研究[J].地震工程与工程振动,2020,40(03):071-77.[doi:10.13197/j.eeev.2020.03.71.kexj.007]
 KE Xiaojun,SU Yisheng,WANG Xiaoyan.Experimental study on seismic performance of coupled lattice steel reinforced high-strength concrete short-leg shear walls[J].EARTHQUAKE ENGINEERING AND ENGINEERING DYNAMICS,2020,40(03):071-77.[doi:10.13197/j.eeev.2020.03.71.kexj.007]
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双肢空腹式型钢高强混凝土短肢剪力墙抗震性能试验研究
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《地震工程与工程振动》[ISSN:/CN:]

卷:
40
期数:
2020年03
页码:
071-77
栏目:
论文
出版日期:
2020-06-30

文章信息/Info

Title:
Experimental study on seismic performance of coupled lattice steel reinforced high-strength concrete short-leg shear walls
作者:
柯晓军12 苏益声12 王晓燕1
1. 广西大学 土木建筑工程学院 工程防灾与结构安全教育部重点实验室, 广西 南宁 530004;
2. 广西防灾减灾与工程安全重点实验室, 广西 南宁 530004
Author(s):
KE Xiaojun12 SU Yisheng12 WANG Xiaoyan1
1. Key Laboratory of Disaster Prevention and Structural Safety of Ministry of Education, School of Civil Engineering and Architecture, Guangxi University, Nanning 530004, China;
2. Guangxi Key Laboratory of Disaster Prevention and Engineering Safety, Guangxi University, Nanning 530004, China
关键词:
短肢剪力墙型钢混凝土空腹式抗震性能拟静力试验
Keywords:
short-leg shear wallsteel reinforced concretelattice steelseismic performancequasi-static test
分类号:
TU398
DOI:
10.13197/j.eeev.2020.03.71.kexj.007
摘要:
通过一榀型钢混凝土梁连接的空腹式型钢高强混凝土短肢剪力墙模型的拟静力试验,考察该类双肢墙的抗震性能及破坏机制。试验结果表明:试件从型钢高强混凝土连梁屈服形成塑性铰,再到墙肢屈服发生破坏,呈现出强墙肢弱连梁的破坏机制,但破坏过程中仍具有较强的脆性特征;试件延性系数、耗能等效黏滞阻尼系数为4.15和0.170,表明该类结构具有较好的抗震变形及耗能能力;当水平位移比Δ/Δy=2时,试件剩余刚度只有初始刚度的23.6%,表明该类结构在连梁遭受地震损伤后的刚度退化严重,抗侧稳定性变差。
Abstract:
To reveal the failure mechanism and seismic performance of coupled SRHC short-leg shear walls, the quasi-static test was conducted for one specimen of coupled lattice SRHC shear walls with SRC coupling beam. Test results indicate that the specimen first yield from the coupling beam and then the wall limbs destroy, which can realize the type of strong wall weak beam, but it still has strong brittleness during the failure process. The ductility coefficient and energy dissipation equivalent viscous damping coefficient of the specimen is 4.15 and 0.170, respectively, which indicate that this kind of double shear walls has good seismic deformation and energy dissipation capacity. When the horizontal displacement ratio (Δ/Δy) reaches 2, the residual stiffness of the specimen is only 23.6% of the initial stiffness, which indicates that the stiffness of this structure after the coupling beam yielding degrades seriously and the lateral stability becomes worse.

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备注/Memo

备注/Memo:
收稿日期:2019-07-02;改回日期:2019-11-12。
基金项目:国家自然科学基金项目(51668007,50968003);广西自然科学基金项目(2018GXNSFAA050007)
作者简介:柯晓军(1985-),男,副研究员,博士,主要从事钢与混凝土组合结构、绿色高性能混凝土结构等方面的研究.E-mail:xj-ke@163.com
通讯作者:苏益声(1956-),男,教授,硕士,主要从事钢结构及组合结构的研究.E-mail:suyisheng@sina.com
更新日期/Last Update: 1900-01-01