Based on the open pit mine in north Yima Mining Group as an example, a finite model for auger mining zone was established and different space (between bores) and interlayer thickness in upright were numerically simulated.

• 以义马矿业集团(义煤)北露天矿为例；建立螺旋钻机开采钻场有限元模型；对不同钻孔间距和垂向隔层厚度进行数值模拟计算.