悬吊质量结构减震性能的研究

英文篇名：Investigation of damping performance of constructions with suspension-mass
中文刊名：兰州理工大学学报
英文刊名：Journal of Lanzhou University of Technology
作者：康希良 ; 赵鸿铁 ; 薛建阳 ; 陈宗平
英文作者：KANG Xi-liang~(1 ; 2) ; ZHAO Hong-tie~1 ; XUE Jian-yang~1 ; CHEN Zong-ping~1(1.School of Civil Engineering ; Xi'an University of Arch.and Tech. ; Xi'an 710055 ; China ; 2.School of Civil Engineering ; Lanzhou Jiaotong University ; Lanzhou 730070 ; China)
中文关键词：高层建筑结构 ; 悬吊质量摆 ; 减震
英文关键词：high rise multistorey building structure ; suspension-mass pendulum ; damping
出版日期：2006-08-30
机构：西安建筑科技大学土木工程学院,西安建筑科技大学土木工程学院,西安建筑科技大学土木工程学院,西安建筑科技大学土木工程学院陕西西安710055,兰州交通大学土木工程学院,甘肃兰州730070,陕西西安710055,陕西西安710055,陕西西安710055
年：2006
期：04
出版单位：兰州理工大学学报

摘要

论述了在高层建筑结构中利用悬吊质量摆减震的原理并对其减震性能进行了研究.通过对具有不同悬吊质量摆的高层建筑结构的自振特性及反应谱法地震反应分析,得出在高层建筑结构顶部几层设置几个质量摆且质量摆的频率和结构的基频相近时减震效果最好.用反应谱法对悬吊结构进行地震反应分析时,所考虑的振型数应为结构的第一振型和相应于结构振动的前几个振型.
The damping principle of high rise multistorey buildings equipped with suspension-mass pendulums was discussed and their damping performance was investigated.Through analysis of natural frequencies and seismic response by means of response spectrum method for such building structure with different suspension mass pendulums,it was concluded that optimal damping effect would be obtained when a few suspended mass pendulums with similar frequency as the structural basic frequency fixed on the top stories of the high building.When the structural seismic responses of suspension-mass pendulums were analyzed with response spectrum method,the vibration modal numbers considered were to be structural first vibration modal and previous vibration modals of structural vibration as well.

引文

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