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隅撑支撑框架结构的性能及其设计方法
Authors
童根树
黄金桥
Publication date
1 January 2008
Publisher
Editorial Department of Progress in Steel Building Structures, Tongji University
Abstract
隅撑支撑框架(knee-braced frame,KBF)是在梁柱连接的附近设一延性耗能的隅撑,主支撑连接在此隅撑上而构成的抗震结构体系。与偏心支撑框架(EBF)抗震结构体系对比,KBF具有中震时框架结构不损坏,维修方便的优点。本文对KBF的研究现状进行了综述。推导了隅撑框架结构的横向刚度,提出了构造KBF结构骨架曲线的方法;采用有限元分析考察了不同的隅撑形式、不同高宽比下KBF结构的弹塑性性能;分析了隅撑塑性转角增量与层间位移增量的关系,总结了设计方法和设计步骤
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Last time updated on 28/12/2024