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高层钢管混凝土框架-RC核心筒结构的弹塑性时程分析
Authors
于清
尧国皇
郭明
Publication date
1 January 2014
Publisher
Editorial Department of Progress in Steel Building Structures, Tongji University
Doi
Cite
Abstract
基于合理的材料弹塑性(损伤)本构关系模型,建立了某30层钢管混凝土框架-钢筋混凝土核心筒结构振动台试验的有限元分析模型,考虑了结构的几何非线性和材料非线性,包括钢材和混凝土材料的塑性损伤演化。有限元分析结果与试验结果基本吻合。在此基础上,进行了不同地震波强度作用下的弹塑性时程分析,获得了核心筒和楼板的损伤演化过程、框架应力和损伤发展过程、基底剪力时程曲线、楼层位移角包络曲线以及地震作用下整体结构的能量反应规律。结果表明,有限元法能够较为清晰地揭示这类结构体系在地震作用下的弹塑性工作状态,可为同类研究提供参考
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Last time updated on 28/12/2024