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防屈曲支撑在高层混凝土框架结构抗震加固中的应用
Authors
史先进
Publication date
1 January 2016
Publisher
Editorial Department of Progress in Steel Building Structures, Tongji University
Doi
Cite
Abstract
某十层的纯框架结构建筑检测结果表明,其弹性层间变形和弹塑性层间变形均不满足现行规范要求。采用防屈曲支撑对该结构进行了抗震加固设计,并基于SATWE软件分析了其小震下的结构性能。利用SAP2000软件,基于Pushover分析方法进行了抗震性能分析。由分析结果得知,防屈曲支撑增加了结构的抗侧刚度,增强了结构延性,改善了原结构薄弱层的抗震承载力。经防屈曲支撑加固后的结构,其变形特性仍与原框架结构类似。对实际工程所采用的防屈曲支撑进行了抗震性能抽检试验,结果表明,构件力学性能与设计数据吻合良好。防屈曲支撑技术用于高层框架结构的抗震加固具有良好的技术优势
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Last time updated on 28/12/2024