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基于AMPP方法的减隔震桥梁抗震性能评估 被引量:3

Seismic performance evaluation of isolated bridges based on AMPP method
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摘要 主要研究基于推倒分析的普通减隔震支座连续梁桥的抗震性能评估方法。根据自适应的与质量成比例的推倒分析方法(AMPP)、MPA方法和时程分析方法(THA),评估了某常用减隔震支座连续梁桥的抗震性能。结果表明:AMPP方法可以成功地应用于常用减隔震支座桥梁的抗震性能评估,其对桥墩内力、支座位移和梁体位移的计算精度优于MPA方法。 Based on pushover analysis method,seismic performance of continuous bridges with common isolators are evaluated. Seismic performance of a bridge with common isolators is evaluated with adaptive mass proportional pushover analysis method( AMPP),modal pushover analysis( MPA) and time history analysis( THA). The results show that the AMPP is capable of evaluating seismic responses of isolated bridges. More accurate pier force,bearing displacement and girder displacement can be provided by AMPP method in comparison with MPA method.
出处 《地震工程与工程振动》 CSCD 北大核心 2015年第4期171-178,共8页 Earthquake Engineering and Engineering Dynamics
基金 土木工程防灾国家重点实验室基金(SLDRCE14-B-14) 国家自然科学基金项目(51478339 51278376)
关键词 铅芯支座 自适应AMPP方法 多模态推倒分析(MPA) 连续梁桥 lead rubber bearing AMPP method MPA continuous bridge
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参考文献12

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二级参考文献28

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