Experimental study on seismic behavior of RC frame column with a new type of straw brick infilled wall

被引：0
|
作者：
Xiaobao T. [1 ]
Xun G. [1 ,2 ]
Yuyang X. [1 ]
Ruofan L. [2 ,3 ]
机构：
[1] Institute of Disaster Prevention, Key Laboratory of Building Collapse Meehanism and Disaster Prevention, China Earthquake Administration, Sanhe
[2] Institute of Engineering Mechanies, China Earthquake Administration, Key Laboratory of Earthquake Engineering and Engineering Vibration, China Earthquake Administration, Harbin
[3] Jiaying University, Meizhou
来源：
Tumu Gongcheng Xuebao/China Civil Engineering Journal | 2022年 / 55卷
关键词：
ductility; elastic modulus; energy dissipation capacity; quasi-static test; straw brick infilled wall;
D O I：
10.15951/j.tmgcxb.2022.S1.0612
中图分类号：
学科分类号：
摘要：
To find the solution that the traditional masonry infilled wall provides great stiffness for the structural members, which greatly reduces the ductility and energy dissipation capacity of the structure, a new type of straw brick with the properties of low elastic modulus and high ductility was developed to replace the traditional masonry as the material of infilled wall. The fire resistance and mechanical properties were tested, and four models of frame-column without wall, frame-column with traditional brick wall, straw bale wall and straw brick wall were designed for quasi-static tests. The failure modes, hysteretic curve, skeleton curve, energy dissipation and ductility of these components were analyzed in detail. The results show that the new type of straw brick has a good effect with fireproof material. The strength and elastic modulus is about 1/30-1/50 and 1/3000-1/4000 of that of traditional masonry, respectively. It also has good recovery ability. The ductility and energy dissipation capacity of the straw brick composite members are higher than those of the traditional masonry wall composite members and the frame-column members without walls, and the straw bricks have not been damaged in the test. This new type of straw brick has light weight, good recovery ability and seismic behavior. It can be used as infilled wall materials. © 2022 Editorial Office of China Civil Engineering Journal. All rights reserved.
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页码：175 / 181
页数：6
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