白银有色金属公司深部铜矿采矿方法

介绍白银有色金属公司深部铜矿为降低矿山损失、贫化率，提高生产能力，不同时期根据矿体赋存条件和开采技术条件，所采用的无底柱分段崩落法、阶段空场采矿法、高分段大跨度空场嗣后充填法及所取得的良好效果。

Mining Methods Adopted in Deep Copper Mine of Baiyin Nonferrous Metals Corporation

The mining methods, sublevel caving method without sill pillar, block open stoping, high sublevel-long wall open stoping with delayed filling, applied in Deep Copper Mine of Baiyin Nonferrous Metals Corporation in various periods for different ore bodies and mining conditions in order to reduce the ore loss ratio and ore dilution ratio, increase mine output are described, the satisfied results by use of these mining methods are also presented.