[1]陈彦江,郝朝伟,闫维明,等.考虑行波效应的高墩刚构桥地震易损性分析[J].世界地震工程,2016,(03):179-184.
 CHEN Yanjiang,HAO Chaowei,YAN Weiming,et al.Seismic vulnerability analysis for high pier rigid bridge considering traveling wave effect[J].,2016,(03):179-184.
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考虑行波效应的高墩刚构桥地震易损性分析
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《世界地震工程》[ISSN:/CN:]

卷:
期数:
2016年03期
页码:
179-184
栏目:
出版日期:
2016-10-15

文章信息/Info

Title:
Seismic vulnerability analysis for high pier rigid bridge considering traveling wave effect
作者:
陈彦江1 郝朝伟3 闫维明1 李勇2
1. 北京工业大学 工程抗震与结构诊治北京市重点实验室, 北京 100124;
2. 清华大学 土木工程系, 北京 100083;
3. 交通运输部公路科学研究所, 北京 100088
Author(s):
CHEN Yanjiang1 HAO Chaowei3 YAN Weiming1 LI Yong2
1. Beijing Laboratory of Earthquake Engineering and Structural. Beijing University of Technology, Beijing 100124, China;
2. Tsinghua University. Department of Civil Engineering, Beijing 100083, China;
3. Research Institute of Highway, Ministry of Transport, Beijing 100088, China
关键词:
行波效应易损性增量动力分析高墩桥梁近断层
Keywords:
traveling wave effectvulnerabilityIDAhigh pier bridgenear fault
分类号:
TU375
摘要:
基于传统可靠度理论,结合IDA方法和大质量法,将空间效应引入地震易损性分析,提出了实现考虑行波效应的桥梁地震易损性评估方法。以一座墩高不一致的双肢薄壁高墩刚构桥为算例,建立系统近场和远场地震易损性曲线。结果表明:评估桥梁系统地震易损性时,宜考虑行波效应,否则可能高估其抗震性能;与远场地震易损性相比,近场地震易损性受行波效应影响显著;与矮墩易损性相比,高墩易损性对行波效应敏感。
Abstract:
A new bridge seismic vulnerability assessment methodology considering traveling wave effect is proposed based on the traditional theory of reliability, and incorporating incremental dynamic analysis (IDA) method and large mass method (LMM). The far-field and near-field earthquake vulnerability curves are built for a rigid bridge with flexible twin piers in different height. The results show that the travelling wave effect should be considered when assessing the seismic vulnerability of the bridge otherwise the seismic performance maybe be overestimate. Compared with the far-field earthquake vulnerability, near-field earthquake vulnerability is influenced by the traveling wave effect significantly. The vulnerability of high pier is sensitive to the traveling wave effect compared with the vulnerability of the short pier.

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备注/Memo

备注/Memo:
收稿日期:2015-07-10;改回日期:2015-11-13。
基金项目:国家自然科学基金资助项目(51378037);中国博士后科学基金(2013M540957)
作者简介:陈彦江(1963-),男,博士生导师,博士,主要从事桥梁抗震与全寿命健康监测研究.E-mail:cyjrlx@sina.com.cn
通讯作者:郝朝伟,男,研究实习员,主要从事桥梁抗震及检测研究.E-mail:budianerwen@sina.com
更新日期/Last Update: 1900-01-01