大高宽比橡胶垫隔震结构振动台试验研究(2)  

Shaking table test study on large height-width ratio rubber bearings isolation structure(2)

作　　者：王铁英[1] 王焕定[1] 刘文光[2] 张永山[2] 

机构地区：[1]哈尔滨工业大学土木工程学院,哈尔滨150090 [2]广州大学土木工程系,广州510405

出　　处：《哈尔滨工业大学学报》2007年第2期196-200,共5页Journal of Harbin Institute of Technology

基　　金：广州大学抗震中心重点实验室基金资助项目

摘　　要：针对大高宽比橡胶垫隔震结构在高烈度区可能存在倾覆危险的问题,设计了一种水平接近无刚度、竖向有耗能能力的抗倾覆装置.并安装在相似比为5、高宽比为3.1的橡胶垫隔震模型结构中.试验结果表明,该装置能够有效降低结构的拉伸位移,显著地降低了结构倾覆的可能性.One kind of resist - overturning equipment with httle stiffness in horizon and energy -dissipation in vertical is designed, for large height -width ratio rubber- bearing isolation structure may have potential overturning danger in zone of high fortification level. The equipment is placed in the rubber bearing isolation model structure. The resemble ratio of model structure is 5, and its height - width ratio is 3.1. Then the shaking table test is done on the isolation system. The test results indicate that the equipment can reduce the pull displacement effectively and it can reduce the overturning possibility largely.

关 键 词：高烈度区 橡胶垫隔震 抗倾覆装置 竖向耗能 振动台试验 

分 类 号：TU352.1[建筑科学—结构工程]