Pushover analysis of modularized prefabricated column-tree steel frame

被引:0
|
作者
Guo, Z. P. [1 ]
Zhang, A. L. [1 ]
Liu, X. C. [1 ]
机构
[1] Beijing Univ Technol, Coll Architecture & Civil Engn, Beijing, Peoples R China
来源
CIVIL, ARCHITECTURE AND ENVIRONMENTAL ENGINEERING, VOLS 1 AND 2 | 2017年
基金
中国国家自然科学基金;
关键词
MOMENT CONNECTIONS; SEISMIC EXPERIMENT; DESIGN;
D O I
暂无
中图分类号
X [环境科学、安全科学];
学科分类号
08 ; 0830 ;
摘要
A prefabricated steel frame with Z-shaped cantilever beam splicing is proposed, which can realize a good seismic performance through the slip of the splice. The moment-rotation relationship model of the splice is constructed through force analysis about various states of loading process of splice. A simulation method utilizing connecting element of ABAQUS to realize the constitutive relation of the splice in the overall structure is proposed. Then modal analysis and pushover analysis are conducted on the modularized prefabricated column-tree steel frame and rigid frame under the same condition, and the result shows that there is a very small difference of the natural periods of vibration of the two frames and the performance points under seismic action. The column-tree frame can dissipate seismic energy by utilizing slip of the splice, and compared with the rigid frame, the column-tree frame achieves the purpose of multiaspect seismic fortification.
引用
收藏
页码:75 / 82
页数:8
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