摘要
采用Duncan-Chang E-B模型模拟堆石体,接触面单元模拟面板与垫层之间的接触,面板竖缝和周边缝用分离缝模拟,对天池面板堆石坝进行了三维有限元变形应力分析,得到了堆石体、面板的位移应力及分布规律,分析了面板竖缝和周边缝的变形。计算结果表明:坝体的位移、应力均在合理范围内,面板缝和周边缝变形满足静力要求。
Duncan-Chang E-B model is used to simulate rockfill mass. Contact between face slab and cushion lay-er is simulated by interface element. Face slab vertical joints and peripheral joints are simulated by crevice ele-ment. 3D FEM deformation-stress analysis was conducted for Tianchi face-slab rockfill dam to calculate the dis-placement,stress and their distributions of rockfill mass and face slab. Deformation of slab vertical joints and pe-ripheral joints were analyzed. The results of calculation indicate that displacement and stress of dam body are allwithin rational range, and the deformation of slab joints and peripheral joints meets the static requirements.
出处
《广西水利水电》
2015年第2期31-36,共6页
Guangxi Water Resources & Hydropower Engineering
