The server is under maintenance between 08:00 to 12:00 (GMT+08:00), and please visit
later.
We apologize for any inconvenience caused
Variable Stiffness Protection Device of Rubber Bearings in Seismic Isolated System
Author(s): YANG Lin, ZHOU Xi-yuan, SU You-po, CHANG Yong-ping
Pages: 126-
132
Year: 2006
Issue:
2
Journal: JOURNAL OF BEIJING UNIVERSITY OF TECHNOLOGY
Keyword: 基础隔震; 叠层钢板橡胶支座; 变刚度;
Abstract: 为了防止橡胶支座在低频激励下失稳破坏,按照多质点结构分析模型推导了不附加、右侧、左侧附加弹簧的运动方程及偏置方程,编制了相应的分析程序.通过在隔震层增设变刚度隔震保护装置作为第2道防线,进行了5层框架的变刚度隔震保护模拟地震振动台试验.理论分析和试验结果表明,变刚度隔震保护装置能有效改变结构动力特性,减小隔震层的变形,使之限制在允许的范围内,从而防止了橡胶垫失稳破坏,同时还能使上部结构的层间剪力不明显增大.
Citations
No citation found