【摘要】 对金钟水利枢纽面板堆石坝进行了三维弹塑性有限元分析,模拟了坝体材料分区、填筑及蓄水过程和面板的分缝,采用双屈服面模型模拟堆石体的变形特征.根据数值分析的结果,对竣工期和蓄水期坝体堆石和面板的应力变形规律进行了讨论.更多还原

【Abstract】 3D elastoplastic finite element method is applied to analyse Jinzhong concrete-faced rockfill dam.The material zoning,the construction and storage processes,and the joint of face slab in three directions are simulated.A kind of elastoplastic model with double yield surfaces is used to simulate the characteristic of the rockfill’s deformation.According to the result of numerical analysis,the distribution of stress and deformation of the dam in completion and storage stage are discussed.更多还原