Large displacements of slope and surface deformation due to underground excavation are discussed using the DDA model with results compared with those from DEM.

• 基于DDA计算模型,补充和发展了DDA计算程序,分析了边坡大位移问题和地下开挖引起地面变形的工程实例,并与离散元计算结果进行了比较研究。