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[1]陈敏,邹银生,湛发益,等.基于顶点位移的被动消能结构加固设计[J].建筑科学与工程学报,2009,26(03):89-95.
　CHEN Min,ZOU Yin-sheng,ZHAN Fa-yi,et al.Retrofitting Design for Passive Energy Dissipation Structure Based on Roof Displacement[J].Journal of Architecture and Civil Engineering,2009,26(03):89-95.
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《建筑科学与工程学报》[ISSN:1673-2049/CN:61-1442/TU]

卷:
26卷
期数:
2009年03期
页码:
89-95
栏目:
出版日期:
2009-09-20

文章信息/Info

Title:
Retrofitting Design for Passive Energy Dissipation Structure Based on Roof Displacement
作者:
陈敏1,邹银生2,湛发益1,刘畅2
1.中南林业科技大学土木工程与力学学院,湖南长沙410004; 2.湖南大学土木工程学院,湖南长沙410082
Author(s):
CHEN Min1, ZOU Yin-sheng2, ZHAN Fa-yi1, LIU Chang2
1. School of Civil Engineering and Mechanics, Central South University of Forestry and Technology, Changsha 410004, Hunan, China; 2. School of Civil Engineering, Hunan University, Changsha 410082, Hunan, China
关键词:
被动消能结构;  顶点位移;  Pushover分析;  时程分析;  阻尼器
Keywords:
passive energy dissipation structure;  roof displacement;  Pushover analysis;  time history analysis;  damper
分类号:
TU352.1
DOI:
-
文献标志码:
A
摘要:
基于房屋结构顶点位移,提出了一种简单、直接的被动消能结构加固设计方法; 通过Pushover分析将多自由度体系等效为单自由度体系,由被动阻尼器的有效阻尼比和有效刚度的相关性,提出简单的迭代方法确定满足结构等效单自由度体系性能目标所需的附加有效阻尼比和有效刚度,并对阻尼器在多自由度体系中的分配提出建议; 采用该方法对某10层钢筋混凝土框架结构进行了加固设计。分析结果表明:该方法在Pushover适用范围内可以取得满意的精度,不同的阻尼器分配模式减震效果不同。
Abstract:
A simple and straight retrofitting design method was put forward based on roof displacement of building structure for passive energy dissipation. By Pushover analysis, a multi-degree-of-freedom system was transformed into an equivalent single-degree-of-freedom system. According to the dependence relationship between damping ratio of passive dampers and stiffness, an iteration method was presented. Then supplemental effective damping ratio and effective stiffness required to meet the performance criterion of the equivalent single-degree-of-freedom system could be solved conveniently by standard software through simple iterative computation, and two damper distribution patterns in multi-degree-of-freedom-system were also proposed. The procedure was applied to a ten-storey reinforced concrete frame structure for verification of the proposed method. The analytical results show the methods that can make satisfactory accuracy achieved for structure in Pushover analysis can be applied. The effects of energy dissipation for different damper distribution patterns are different.

参考文献/References:

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相似文献/References:

备注/Memo

备注/Memo:
收稿日期:2009-04-02
基金项目:湖南省建设厅科技计划项目(湘建科[2008]459号); 中南林业科技大学引进高层次人才科研启动基金项目(07Y001); 中南林业科技大学青年基金项目(2008048B)
作者简介:陈 敏(1975-),男,湖南益阳人,讲师,工学博士,E-mail:chenmin2028@163.com。
更新日期/Last Update: 2009-09-20