矿柱(残柱)的回采是一项特别繁重的工作,在技术上又是非常复杂的。矿柱的回采经常大大地落后于矿房的回采工作,这就使得企业的正常生产受到影响,并使完成矿山的生产计划的条件发生困难。采用深孔崩矿法,可以迅速的扭转这种情况,并使劳动消耗达到最小, Mining pillars (residual columns) is a particularly burdensome job, technically complex. The mining of pillars often lags far behind that of mining houses, which affects the normal production of the enterprises and makes it difficult to complete the production planning of the mines. The use of deep-hole collapse mine method, you can quickly reverse this situation, and to minimize labor consumption,