高边坡岩体渐进性破坏粘弹塑性有限元数值模拟  

VISCO-ELASTOPLASTIC FINITE ELEMENT SIMULATION OF PROGRESSIVE FAILURE OF HIGH-STEEP ROCK SLOPE

作　　者：程谦恭[1] 胡厚田[1] 彭建兵[2] 胡广韬[2] 

机构地区：[1]西南交通大学地质工程系,成都610031 [2]西安工程学院,西安710054

出　　处：《工程地质学报》2000年第1期25-30,共6页Journal of Engineering Geology

基　　金：国家自然科学基金!(编号 :49872 0 87);中国博士后科学基金资助

摘　　要：根据边坡实际地质模型 ,基于弹塑性与粘弹 -粘塑性理论的本构方程 ,通过有限元模拟分析 ,定量地揭示和模拟再现了高边坡岩体破裂、变形、破坏及失稳前后锁固段岩体渐进性破坏的机制和过程 ,探讨了高压水流作用下滑坡启程剧动的破坏机理。According to the practical geological model of slope, by means of the finite element analysis, from the constitutive equations of the elastoplasticity and the viscoelasticity viscoplasticity, the process and mechanism for progressive failure of the locked segment of rockmass are quantitatively revealed and simulated during the rupture, deformation, destruction, and failure of highsteep slope rockmass, and the dynamics driving the motion of rocky landslide with violent starting velocity by high pressure water flow is dealed with.

关 键 词：高边坡 渐进性破坏 有限元 岩体 渐进性破坏 

分 类 号：P642.22[天文地球—工程地质学] U416.14[天文地球—地质矿产勘探]