不同高宽比的摩擦摆结构隔震效果的SAP模拟分析

The SAP Analysis of the Affect of the Superstructure Aspect Ratio Factor for Seismic Response of Isolated Structure

运用有限元分析软件SAP2000,对三种不同高宽比的4层隔震结构在地震荷载作用下,分别进行内力和支座位移的分析,以探究高宽比因素对于隔震结构地震反应的影响。分析结果表明:上部结构高宽比越大,隔震结构受地震荷载的作用效应也会相应增大,支座位移则呈减小的趋势。

In this paper, the seismic loads responses of the three different aspect ratio four- layer seismic isolation structure were analyzed using the finite element analysis software SAP2000. The forces and displacements were analyzed of these structures to explore the affect of the aspect ratio factor for seismic response of isolated structure. The results show： As the aspect ratio of the superstructure increasing,the reaction of isolated structures will increase. And the displacements of the bearing will be a decreasing trend.