节点文献
双单体组合隔震结构考虑摆动的振动控制研究
VIBRATION-CONTROL OF A DOUBLE-PARTS COMBINED ISOLATED STRUCTURE IN CONSIDERATION OF ITS SWING MOTION
【摘要】 组合隔震结构体系中,当基础隔震体上部结构层间刚度相对较小、垂直荷载较大,且其采用的叠层橡胶垫的橡胶总厚度较大时,隔震支座不仅会产生水平变形,同时也会产生竖向变形,导致上部结构产生摆动,而这种摆动可能对隔震体本身及联接体的振动控制产生影响。推导了组合隔震结构考虑摆动的振动及控制方程,分析研究了摆动对组合隔震结构的振动控制影响。研究结构表明:在组合隔震体系中,隔震体的摆动对隔震体本身及联接体的振动控制都有一定的影响。
【Abstract】 The multi-story packing rubbers in combined isolation structure system may cause the upper layers of the isolated structure to produce swing motion, which will influence the vibration-control of isolated structures and their combined structure . The vibration control equation of a combination of isolated structures was derived in consideration of the swing motion and the swing’s influences on its vibration-control were analysed.
【关键词】 双单体;
组合隔震结构;
摆动;
振动控制;
【Key words】 double-part; combination of isolated structures; swing; vibration control;
【Key words】 double-part; combination of isolated structures; swing; vibration control;
【基金】 兰州交通大学“青蓝”人才工程基金(项目编号:QL-05-08A);甘肃省建设科技攻关项目资助
- 【文献出处】 振动与冲击 ,Journal of Vibration and Shock , 编辑部邮箱 ,2008年05期
- 【分类号】TU352.12
- 【被引频次】1
- 【下载频次】97