A NEW SHOCK ABSORBER FOR HIGH SPEED RAILWAY BRIDGES

被引：0
|
作者：
Gao, R. [1 ]
Li, C. G. [1 ]
机构：
[1] Beijing Jiaotong Univ, Sch Civil Engn, Beijing 100044, Peoples R China
来源：
ENVIRONMENTAL VIBRATIONS: PREDICTION, MONITORING, MITIGATION AND EVALUATION, VOLS I AND II | 2009年
关键词：
high speed railway bridge; seismic design; bearing function separation; material property criterion; shock absorber system;
D O I：
暂无
中图分类号：
TU [建筑科学];
学科分类号：
0813 ;
摘要：
Based on the idea of "bearing function separation", a structural member called shock absorber that makes use of its plastic deformation, is presented for reducing the seismic response of the bridge. Two types of the absorbers are designed, one for simply-supported bridge and the other for continuous bridge. The design criterion, for matching material stress, strain and earthquake fortification aim, is also given. The analysis results show that the high speed railway box girder with the absorber in this paper has good property of reducing seismic response of the bridge piers.
引用
收藏
页码：1570 / 1576
页数：7
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