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Simulation of the formation of Jinjiang landslide by DEM
Author(s): 
Pages: 74-76,80
Year: Issue:  1
Journal: HYDROGEOLOGY & ENGINEERING GEOLOGY

Keyword:  地震效应离散元发展演化过程;
Abstract: 在对金江巨型滑坡的工程环境条件及现今坡体物质组成、自身结构及变形破坏特征等方面调查研究的基础上,宏观判断滑坡为整体式滑移-弯曲破坏模式.为直观反映滑坡变形破坏的过程,根据对滑坡区基岩结构特征的分析,采用离散元软件2D-Block对滑坡成因机制进行模拟.根据滑坡普遍发育的地形地貌特征,恢复滑坡区原始斜坡地形,根据岩体结构划分模型计算单元,将地震效应考虑进2D-Block模型参数中.通过计算,展现了滑坡的发展演化过程,并将其分为三个阶段,即轻微隆起阶段、强烈隆起阶段、滑面贯通剪出阶段.
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