DEM is used to analyze the evolvement course of the excavation deformation of a road bedding lithologic slope in the Three Gorges reservoir region, and to simulate the effect of control project.

• 本文利用离散单元方法 ( DEM)分析了三峡水库某公路顺层岩质边坡开挖变形破坏机制及其演变过程 ,并对工程治理效果进行模拟研究。