Based on the example of south dump slope of Anjialing open colliery in Pingshuo, the rule of surface subsidence was studied using FLAC(superscript 3D).

• 摘要为研究露天煤矿排土场边坡下采动沉陷规律，结合平朔安家岭露天矿南排土场边坡的实例，采用FLAC(上标3D)程序进行了数值模拟计算。