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Comparison Between Kelvin Model and Maxwell Model in Base Swing Seismic Isolation
Author(s): Zhi Haodi
Pages: 62-
64,79
Year: 2015
Issue:
9
Journal: Railway Construction Technology
Keyword: 桥墩; 摇摆隔震; 碰撞效应; 时程分析;
Abstract: 在基底摇摆隔震桥墩中,提出可以考虑碰撞效应的Maxwell模型和Kelvin模型,建立考虑碰撞效应的基底摇摆隔震桥墩的运动方程,重点研究了模型中连接弹簧刚度以及阻尼系数的取值范围和计算方法,分析了两种模型在强震下地震反应的差异,提出了考虑碰撞效应的基底摇摆隔震桥墩合理的减隔震分析模型.分析结果表明,Kelvin模型优于Maxwell模型,在模拟碰撞效应的基底摇摆隔震桥墩中,建议采用Kelvin模型进行计算.
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