[1]熊俊,王元清,石永久,等.含偏心支撑高层钢结构的抗震性能分析[J].郑州大学学报(工学版),2009,30(03):1-4.
　XIONG Jun,WANG Yuanqing,SHI Yongjiu,et al.Seismic Performance Analysis of High-rise Steel Structures with Eccentric Support[J].Journal of Zhengzhou University (Engineering Science),2009,30(03):1-4.
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含偏心支撑高层钢结构的抗震性能分析()
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《郑州大学学报(工学版)》[ISSN:1671-6833/CN:41-1339/T]

卷:
30
期数:
2009年03期
页码:
1-4
栏目:
出版日期:
1900-01-01

文章信息/Info

Title:
Seismic Performance Analysis of High-rise Steel Structures with Eccentric Support
作者:
熊俊; 王元清; 石永久; 等.
清华大学土木工程系教育部振动与结构重点实验室,北京,100084, 清华大学土木工程系教育部振动与结构重点实验室,北京,100084, 清华大学土木工程系教育部振动与结构重点实验室,北京,100084, 清华大学土木工程系教育部振动与结构重点实验室,北京,100084
Author(s):
XIONG Jun; WANG Yuanqing; SHI Yongjiu; etc
Key Laboratory of Structural Engineering and Vibration of China Education Ministry，TsinghHa University，Beijing 100084，China
关键词:
偏心支撑结构;  高层建筑;  有限元;  抗震性能
Keywords:
eccentric support structure;  high-rise buildings;  finite elements;  Seismic performance
文献标志码:
A
摘要:
以某高层框架-偏心支撑钢结构住宅为工程背景,采用有限元软件SAP2000建模,计算了罕遇地震下结构刚度、内力分布、振动模态及荷载-位移曲线等,并采用多条地震波分别对中心支撑和偏心支撑结构体系进行弹性时程及弹塑性时程的对比分析,比较了两种结构体系的动力特性及抗震性能.分析表明:高层框架-偏心支撑钢结构体系抗侧刚度能够满足结构抗侧移要求;反复地震作用下,偏心支撑结构体系耗能作用明显,结构动力响应小于中心支撑体系;罕遇地震作用下,偏心支撑结构进入塑性阶段后刚度衰减较小,仍能保持较高侧向刚度和承载力,表现出明显优于中心支撑体系的延性特征,抗震性能优于中心支撑体系.
Abstract:
Taking a high-rise frame-eccentric support steel structure house as the engineering background, the finite element software SAP2000 was used to model the structural stiffness, internal force distribution, vibration mode and load-displacement curve under rare earthquakes, and a number of seismic waves were used to compare the elastic time history and elastoplastic time history of the central support and eccentric support structural systems, and the dynamic characteristics and seismic performance of the two structural systems were compared. The analysis shows that the anti-lateral stiffness of the high-rise frame-eccentric support steel structure system can meet the requirements of structural anti-lateral shift. Under the action of repeated earthquakes, the eccentric support structure system has obvious energy dissipation, and the structural dynamic response is less than that of the central support system. Under the action of rare earthquakes, the stiffness attenuation of the eccentric support structure is small after entering the plastic stage, and the lateral stiffness and bearing capacity can still be maintained, which shows the ductility characteristics of which are significantly better than the central support system, and the seismic performance is better than that of the central support system.

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更新日期/Last Update: 1900-01-01