HRBF500 RC结构非线性动力分析及损伤评价
首发时间:2012-01-20
摘要:本文采用IDRAC 2D程序对配置500MPa细晶粒钢筋的混凝土框架结构进行了非线性动力反应分析,分别对其动力屈服卸载响应和损伤程度作了记录和研究,认为经过抗震设计的HRBF500RC框架结构能有效地抵抗实际地震作用。本文采用的周期快照法,能合理地计算出楼层损伤和结构整体损伤指数。同时,本文运用屈服卸载理论,提出的修正后的Park损伤模型能够较好的应用于非线性动力损伤全过程评价中,表现出了较好的实际应用效果。
关键词: HRBF500 RC结构 非线性分析 损伤模型 卸载
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NONLINEAR DYNAMIC ANALYSIS AND DAMAGE EVALUATION OF HRBF500 RC STRUCTURE
Abstract:The nonlinear dynamic analysis of HRBF500 RC framework was achieved by IDRAC 2D. Dynamic responses of yield unloading and damage status were recorded and analyzed to show that HRBF500 RC framework with seismic design can resist earthquake effectively. The damage index of stories and global structure could be calculated reasonably by period snapshots. The amended Park damage model that based unloading theory could be better used in the whole process of nonlinear dynamic damage analysis,which shows well effect in practice.
Keywords: HRBF500 RC structure nonlinear dynamic analysis damage model downloding
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