RC框架⁃抗震墙并联结构体系拟静力试验

doi:10.13229/j.cnki.jdxbgxb20191138

摘要/Abstract

摘要：

为研究RC框架-抗震墙并联结构体系中，抗震墙作为“功能集成”与“功能分离”两种形式下结构的抗震性能，进行了2个缩尺比为1∶3的单层两跨的框架-抗震墙试件拟静力试验，分别研究抗震墙主要参与抗侧工作承担小部分重力荷载，与抗震墙既参与抗侧工作又承担重力荷载时试件的裂缝开展与破坏、滞回性能、刚度退化、耗能能力、延性等抗震性能。同时，利用ABAQUS软件对试验试件进行模拟，得到了与试验数据较为吻合的结果。研究表明，当抗震墙的承重功能与抗侧功能基本分离时，结构具有更好的延性、耗能能力与损伤发展过程。

关键词: 土木工程, RC框架结构, 并联结构体系, 功能分离, 拟静力试验

Abstract:

In order to study the seismic performance of two different forms of structures， i.e. "functional integration" and "functional separation" in the Reinforce Concrete （RC） frame-seismic wall dual structure system， quasi-static tests of two 1/3 scale frame-seismic wall specimens with two single-story and two-bay were carried out. The damage development， hysteretic behavior， stiffness degradation， energy dissipation capacity， ductility and other seismic behaviors of the seismic wall were investigated as the wall mainly bears the lateral resistance but bears a small part of the vertical load， and as the wall bears both the lateral resistance and the vertical load. The performance of the specimens was also studied by ABAQUS finite element software simulation， and the results are consistent with the test results．The results of this study show that the structure has better ductility， energy dissipation capacity and damage development process when the load-bearing function and the anti-lateral function of the seismic wall are separated.

Key words: civil engineering, RC frames, dual structural system, functional separation, quasi-static test

中图分类号:

TU375.4

许卫晓,程扬,杨伟松,鞠佳昌,于德湖. RC框架⁃抗震墙并联结构体系拟静力试验[J]. 吉林大学学报(工学版), 2021, 51(1): 268-277.

Wei-xiao XU,Yang CHENG,Wei-song YANG,Jia-chang JU,De-hu YU. Quasi-static test of RC frame-seismic wall dual structural system[J]. Journal of Jilin University(Engineering and Technology Edition), 2021, 51(1): 268-277.

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钢筋直径/mm	屈服强度/MPa	极限强度/MPa
6	452	622
8	414	556

参数	FW1	FW2
开裂位移/mm	1.98	1.98
开裂荷载/kN	50.73	53.69
屈服位移/mm	9.99	9.14
屈服荷载/kN	151.07	155.22
极限位移/mm	25	19.83
极限荷载/kN	182.39	182.55
破坏位移/mm	34.10	25.34
破坏荷载/kN	155.03	155.17
延性系数	3.41	2.77