[1]李勇,刘晶波,解梦飞.地震作用下近断层高架桥碰撞响应及减撞控制[J].哈尔滨工程大学学报,2018,39(12):1947-1955.[doi:10.11990/jheu.201706014]
 LI Yong,LIU Jingbo,XIE Mengfei.Seismic response and pounding effect control of near-fault viaducts subjected to earthquake inputs[J].hebgcdxxb,2018,39(12):1947-1955.[doi:10.11990/jheu.201706014]
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地震作用下近断层高架桥碰撞响应及减撞控制(/HTML)
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《哈尔滨工程大学学报》[ISSN:1006-6977/CN:61-1281/TN]

卷:
39
期数:
2018年12期
页码:
1947-1955
栏目:
出版日期:
2018-12-05

文章信息/Info

Title:
Seismic response and pounding effect control of near-fault viaducts subjected to earthquake inputs
作者:
李勇1 刘晶波2 解梦飞1
1. 石家庄铁道大学 土木工程学院, 河北 石家庄 050043;
2. 清华大学 土木工程学院, 北京 100084
Author(s):
LI Yong1 LIU Jingbo2 XIE Mengfei1
1. School of Civil Engineering, Shijiazhuang Tiedao University, Shijiazhuang 050043, China;
2. Department of Civil Engineering, Tsinghua University, Beijing 100084, China
关键词:
近断层高架桥碰撞伸缩缝间隙阻尼器隔震支座减撞控制固定支座塑性铰
分类号:
U442.5
DOI:
10.11990/jheu.201706014
文献标志码:
A
摘要:
为得出近断层高架桥在地震作用下的梁端碰撞响应规律及其最优减撞控制措施,本文对常规近断层连续高架桥纵向的梁-台碰撞响应规律进行了分析,并对常用减隔震装置的减撞效果进行了对比。分析结果表明:碰撞会减小固定墩的塑性铰发展程度,但会造成固定支座失效,且近断层高架桥在地震发生时碰撞力会更大,甚至有可能会造成固定墩的剪切破坏;增大间隙虽不能有效降低碰撞力,但可以降低固定支座剪力;采用阻尼器能够对近断层高架桥起到有效的减撞控制,但近断层高架桥不宜使用隔震措施。

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备注/Memo

备注/Memo:
收稿日期:2017-6-6。
基金项目:国家自然科学基金项目(51508350,51478247,51508351);河北省自然科学基金项目(E2016210087);河北省高等学校青年拔尖人才计划项目(BJ2018048);石家庄铁道大学优秀青年科学基金;河北省大型基础设施防灾减灾协同创新项目.
作者简介:李勇(1983-),男,讲师,博士;刘晶波(1956-),男,教授,博士.
通讯作者:李勇,E-mail:lyncdw@126.com.
更新日期/Last Update: 2018-12-01