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粘滞阻尼器在连续梁桥抗震设计中的应用

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Indexed by:期刊论文

Date of Publication:2011-09-15

Journal:山东交通学院学报

Volume:19

Issue:3

Page Number:48-52

ISSN No.:1672-0032

Key Words:粘滞阻尼器;大跨连续梁;非线性动力时程分析;桥梁抗震;参数分析

Abstract:为研究粘滞阻尼器在大跨连续梁桥中的抗震性能,结合工程实例建立Midas有限元分析模型,采用非线性动力时程分析方法,比较多种粘滞阻尼器的布置方案,并对粘滞阻尼器进行参数敏感性分析.结果表明,增设粘滞阻尼器能显著改善固定墩在地震力作用下的受力性能,使各墩间的受力更趋均衡,粘滞阻尼器参数C,ξ的变化对结构抗震性能影响较为明显,并针对本工程给出了较为合理的布置方案和阻尼器参数.

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