崩落

• Study on productive exploration grid of natural caving in tongkuangyu mine
  铜矿峪矿自然崩落法生产探矿网度研究
• Some critical issues in application of pillarless sublevel caving method
  无底柱分段崩落法应进一步研究的几个问题
• Prediction and control of tunnel rock burst in nonpillar sublevel caving
  无底柱分段崩落法巷道岩爆预测与防治措施
• On the cover caving in the sublevel caving of slightly dipped thick orebody
  缓倾斜厚矿体无底柱分段崩落法放顶方式探讨
• Study on ore loss and dilution in pillarless sublevel caving based on sls system
  系统的无底柱崩落法矿石损失贫化的研究
• The method to determining optimal structure parameter of non - pillar sublevel caving
  无底柱分段崩落法最佳结构参数的确定方法
• Forced block caving
  强制分段崩落开采
• Mining horizontal pillars with hydraulic roof propping in longwall caving method
  在长壁式崩落法中用液压支柱护顶回采水平矿柱
• Mud and rockslides have blocked a number of highways in the northwest
  泥浆以及崩落的岩石已经导致美国西北部许多高速公路受阻。
• Area of draw
  放矿面积崩落采矿法