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工程力学  2014 

基于OpenSees的RC框架-核心筒超高层建筑抗震弹塑性分析

DOI: 10.6052/j.issn.1000-4750.2013.07.0591, PP. 64-71

Keywords: 框架核心筒,弹塑性分析,OpenSees,分层壳单元,超高层结构

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Abstract:

近年来我国高层建筑结构抗震弹塑性分析得到广泛应用。但现有的分析多基于商用软件,限制了相关研究的深入发展。该文在通用开源有限元程序OpenSees的基础上,通过开发合理的剪力墙构件模型和混凝土本构模型,实现了RC框架-核心筒超高层结构的抗震弹塑性分析,并以一系列剪力墙和一栋141.8m高框架-核心筒超高层为例,通过与试验结果和通用有限元程序MSC.Marc计算结果的对比,验证了该文提出的单元和计算方法的合理性和可靠性,可为进一步开展基于开源有限元程序OpenSees的超高层建筑结构地震灾变行为研究提供参考。

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