节点文献
高层建筑局部消能减震新体系研究
Research on A New Structure with Local Energy Dissipation to Reduce High-rise Building Seismic Response
【摘要】 本文提出了高层建筑结构的一种局部消能减震新体系。该体系既利用了上下部结构的动力反馈作用,又充分发挥了上部阻尼支撑的消能减震作用。分析发现:多遇地震下结构各层的层间剪力可以减小30%以上,下部结构层间位移可以减小30%~45%,楼层总位移也可以减小35%以上;罕遇地震作用下下部结构层间位移和楼层总位移也可减小20%左右。同时利用粘滞阻尼支撑将上部结构的层间位移控制在允许范围内。
【Abstract】 In this paper,a new structure with local energy dissipation is put forward.Both dynamic interaction of upper and bottom structures and damper device are used to reduce seismic response.The researches indicate: Under frequently occurred earthquake,all story-shear can be reduced by more than 30 percent,story-displacement of bottom structure can be reduced by more than 30 percent and structural total displacement can be reduced by more than 35 percent.Under rarely occurred earthquake,story-displacement and structural total displacement of bottom structure can be reduced by about 20 percent,too.
【Key words】 local energy dissipation; viscous damper; time-history analysis; finite element method;
- 【文献出处】 工程抗震与加固改造 ,Earthquake Resistant Engineering and Retrofitting , 编辑部邮箱 ,2007年04期
- 【分类号】TU973.31
- 【被引频次】2
- 【下载频次】195