摘要
该文针对重庆市人民大礼堂大修工程中心礼堂分别用ANSYS及ETABS进行有限元分析,并将结果进行了对比,找出差异,并分析了产生差异的原因,最终找到了一种合理的分析模型,为指导重庆市人民大礼堂中心礼堂大修提供了理论依据;根据分析结果,分析了网壳结构的受力特点,并对穹顶钢网壳进行了考虑初始缺陷的几何非线性屈曲的特征值分析,最后对这种已经使用了50年的建筑的大修提出了需要讨论的问题。
Based on the application of FEM through ANSYS and ETABS in the repair works of the center hall of Chonqing Great Hall of the People,final results are compared,differences are spotted,causes are analyzed and a reasonable analysis model is worked out to provide theoretical evidence for the mass repair works of Chonqing Great Hall of the People.According to the analysis results,loading features of latticed shell structure are analyzed,and the eigenvalue of geometric nonlinear buckling of dome steel latticed shell with initial flaws are also analyzed.Lastly,issues of the mass repair works for such kind of buildings with 50 years＇ use are presented.
出处
《重庆建筑》
2013年第1期20-24,共5页
Chongqing Architecture
关键词
穹顶钢网壳
几何非线性
特征值
dome steel latticed shell
geometric nonlinear
eigenvalue
