| 梁式桥地震碰撞响应及防碰撞与落梁措施研究进展 |
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| 引用本文： | 高玉峰,蒲黔辉,李晓斌.梁式桥地震碰撞响应及防碰撞与落梁措施研究进展[J].地震工程与工程振动,2011,31(1):80-88. |
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| 作者姓名： | 高玉峰 蒲黔辉 李晓斌 |
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| 作者单位： | 西南交通大学土木工程学院,四川,成都,610031 |
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| 基金项目： | 抗震工程技术四川省重点实验室(西南交通大学)开放基金资助项目 |
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| 摘 要： | 简述了地震中观察到的桥梁结构地震碰撞现象,以及已经发展的各种模拟地震碰撞现象的理论分析模型.在此基础上,对桥梁碰撞反应发生机理、碰撞对结构构件抗震能力的影响以及有关防止碰撞发生及防止落梁的有效措施等方面的研究进展进行了回顾和总结.展望了有待进一步研究的问题,包括开展大比例尺的实桥模型地震碰撞试验研究、空间地震动对长跨梁...
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| 关 键 词： | 梁桥 地震碰撞 接触单元 防落梁措施 连梁装置 限位器 研究进展 |
State-of-arts of earthquake-induced pounding responses of girder bridges and measures for preventing pounding and span collapse |
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| GAO Yufeng,PU Qianhui,LI Xiaobin.State-of-arts of earthquake-induced pounding responses of girder bridges and measures for preventing pounding and span collapse[J].Earthquake Engineering and Engineering Vibration,2011,31(1):80-88. |
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| Authors: | GAO Yufeng PU Qianhui LI Xiaobin |
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| Institution: | GAO Yufeng,PU Qianhui,LI Xiaobin(School of Civil Engineering,Southwest Jiaotong University,Chengdu 610031,China) |
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| Abstract: | The bridge damage caused by earthquake-induced pounding is reviewed.Various analytical models used to simulate impact effect between bridge decks are presented.Then,research achievements of the seismic pounding responses of bridges are reviewed and summarized from the aspects of the pounding response mechanism of bridges,the influence of pounding on the seismic behavior of structure components and the valid measures for preventing pounding and span collapse.The areas required to further investigate are prop... |
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| Keywords: | girder bridge earthquake-induced pounding contact element measures to prevent span collapse girder-connected device restrainers state-of-arts |
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