[1]乔宏,夏禾,杜宪亭.地震动斜入射对车桥系统地震响应的影响[J].哈尔滨工程大学学报,2019,40(09):1629-1635.[doi:10.11990/jheu.201804014]
 QIAO Hong,XIA He,DU Xianting.Effect of oblique incidence of seismic wave on seismic response of a train-bridge system[J].hebgcdxxb,2019,40(09):1629-1635.[doi:10.11990/jheu.201804014]
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地震动斜入射对车桥系统地震响应的影响(/HTML)
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《哈尔滨工程大学学报》[ISSN:1006-6977/CN:61-1281/TN]

卷:
40
期数:
2019年09期
页码:
1629-1635
栏目:
出版日期:
2019-09-05

文章信息/Info

Title:
Effect of oblique incidence of seismic wave on seismic response of a train-bridge system
作者:
乔宏12 夏禾2 杜宪亭2
1. 北京建筑大学 土木与交通工程学院, 北京 100044;
2. 北京交通大学 土木建筑工程学院, 北京 100044
Author(s):
QIAO Hong12 XIA He2 DU Xianting2
1. School of Civil and Transportation Engineering, Beijing University of Civil Engineering and Architecture, Beijing 100044, China;
2. School of Civil Engineering, Beijing Jiaotong University, Beijing 100044, China
关键词:
桥梁车桥耦合振动动力分析地震地形效应入射角度粘弹性人工边界行车安全
分类号:
U441.3
DOI:
10.11990/jheu.201804014
文献标志码:
A
摘要:
为了研究山区地形条件及地震动斜入射对车桥系统地震响应的影响,本文基于粘弹性边界理论,建立了地震剪切波斜入射条件下的局部场地模型。通过将输入地震动转化为人工边界上的等效荷载,获得考虑地形条件和入射角度影响的地震动时程,编制程序获得车桥系统的动力响应,并以列车通过实际桥梁为算例进行了分析。研究结果表明:局部地形条件对车桥系统地震响应的影响不可忽视,否则会导致计算结果偏于不安全;地震剪切波入射角度对车桥系统地震响应的峰值及其出现时间均有影响,只研究地震剪切波垂直入射的情况并不全面,应综合考虑各个角度以确定最不利情况。

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备注/Memo

备注/Memo:
收稿日期:2018-04-04。
基金项目:国家重点基础研究发展计划(2013CB036203);国家自然科学基金项目(51208027).
作者简介:乔宏,女,博士后;夏禾,男,教授,博士生导师.
通讯作者:乔宏,E-mail:CarrieQh@163.com.
更新日期/Last Update: 2019-09-06