铁路重力式桥墩桥梁抗震性能及抗震措施研究  被引量:7

Research on seismic character and earthquake resistance measures for railway bridge with gravity piers

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作  者:马坤全[1] 

机构地区:[1]上海铁道大学土木建筑学院,上海200331

出  处:《铁道学报》2000年第B05期71-75,共5页Journal of the China Railway Society

基  金:铁道部科技发展计划项目 !(97G2 8- A)

摘  要:首先进行了重力式桥墩模型振动台模拟地震试验 ,试验与理论分析结果基本一致 ;然后建立了采用铅芯橡胶支座的重力式桥墩桥梁全桥体系动力分析模型 ,计算分析了铅芯橡胶支座对桥梁的减、隔震作用及重力式桥墩的抗震性能 。At first,the shaking table test of a gravity pier model was done. The comparison between the test data and the theoretical analysis results of the model showed that they are identical to each other. The dynamic model of a whole bridge with gravity piers and lead rubber bearings was set up. The positive role of lead rubber bearings on lowering the seismic responses of railway bridge and the seismic character of gravity piers were analysed. Some earthquake resistance measures of railway bridge with gravity piers were put forward.

关 键 词:重力式桥墩 模型试验 抗震措施 铁路桥 

分 类 号:U442.55[建筑科学—桥梁与隧道工程] U443.22[交通运输工程—道路与铁道工程]

 

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