当前,空场处理一般采用两种方式,一种是充填空场(机械法),另一种是崩落矿石和围岩(凿岩爆破法)。凿岩爆破法崩落矿石和围岩有三种方法: 1)爆破某些矿柱及采空区上面顶板岩 At present, two methods are generally used for the processing of the free-fall field. One is to fill the empty space (mechanical method) and the other is to fall into the ore and the surrounding rock (rock-blasting method). Drilling Blasting There are three ways to break down the ore and the surrounding rock: 1) blasting some pillars and roof rock above the goaf