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中深孔分段爆破在综采工作面过构造的应用

Shanxi Coal(2014)

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Abstract
近年来由于老矿开采深度延长,新采盘区煤层赋存状况较复杂,回采中经常遇到各种无炭柱或断层构造,为了提高煤炭回收率和提高生产效率,官地矿采用大循环及中深孔的爆破方法,通过综采工作面构造,减少爆破时间,提高开机效率,取得了良好的效果.
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