铅芯橡胶支座隔震结构SSI效应数值模拟分析
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摘要
利用有限元软件,对某铅芯橡胶支座隔震结构体系进行了数值模拟分析,主要分为考虑土-结相互作用和不考虑土-结相互作用两种情况。结果表明:在考虑了土-结相互作用之后,隔震结构的位移时程曲线比较平缓,层间位移幅值比不考虑土-结相互作用降低较多。
A lead core rubber bearing isolations structure was simulated and analyzed by finite element software.The calculation cases were mainly divided into considering the soil-structure interaction and not considering the soil-structure interaction.The results show that after considering the soil-structure interaction,the displacement time-history curve of base-isolation structure is gentle.The interlayer displacement amplitude is reduced more than that of not considering the soil-structure interaction.
引文
[1]黄永林.基础隔震研究与应用的回顾与前瞻[J].地震学刊,1998(4):58-65.
    [2]廖振鹏.工程波动理论导论[M].2版.北京:科学出版社,2002.
    [3]GB 50011—5001建筑抗震设计规范[S].北京:中国建筑工业出版社,2001.

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