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随着改革开放、商品经济的发展,矿山企业内部实现了层层承包。职工把产品的批量合格率提高到企业内部经济效益的显著位置上来。如何把埋藏在地下的矿产资源开采出来就是合格的批量产品呢?这是矿山企业难于其它加工企业的一个显著特征。笔者把杨赤中滤波法运用于井下矿山采矿方法中的无底柱分层崩落法中取得了一定效果。
With the reform and opening up, the development of commodity economy, mining enterprises to achieve a multi-level contract. Workers to product batch qualification rate increased to a prominent position within the economic efficiency of enterprises. How to mined the mineral resources buried in the underground is a qualified batch of products? This is a mining company is difficult to other processing enterprises a notable feature. The author has made Yang Chizhong filter method used in underground mining methods in the bottomless pillar caving method has achieved some results.