Retrofit steel frame with ordinary brace and buckling-restrained brace

被引：0
|
作者：
Zheng, Hong [1 ]
Cai, Yu-Jun [1 ]
机构：
[1] Changan Univ, Sch Construct Engn, Xian 710061, Peoples R China
来源：
STRUCTURAL CONDITION ASSESSMENT, MONITORING AND IMPROVEMENT, VOLS 1 AND 2 | 2007年
关键词：
D O I：
暂无
中图分类号：
TU [建筑科学];
学科分类号：
0813 ;
摘要：
As a sensitive energy dissipation component, the Buckling-Restrained Brace (BRB) is superior to ordinary brace due to its excellent energy dissipation ability and ductility during earthquake. The basic composition of BRB as well as its mechanical behaviour is introduced. The loading-progress of the BRB is precisely simulated considering various nonlinearities by FEM software ANSYS and the influence of restraint ratio to the BRB are put forward. Two methods of retrofitting steel frames with ordinary brace or Buckling-Restrained Brace are compared using the software SAP2000. The results show that the Buckling-Restrained Brace is a reliable and practical alternative to conventional lateral load-resisting systems, and is capable of enhancing the earthquake resistance of new and existing structures.
引用
收藏
页码：1146 / 1151
页数：6
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