复杂地质条件下突出煤层群联合保护层的选择
Modern Mining（2014）
Abstract
结合格目底矿区玉舍中井突出煤层群开采的实际情况,从开采保护层的角度,探讨消除煤层突出危险性的方法.结果表明,单一选择上或下保护煤层均无法对中部主要可采煤层进行充分泄压,采用K9煤层和K40煤层作为联合保护层同时开采,可达到对中组煤层进行双重叠加保护的目的,从而消除煤层突出危险.
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