摘要
开采解放层是一种特殊的采煤方法,而被解放时刻、解放充分时间及解放范围等是开采解放层的重要参数。本文将对北京矿务局门头沟矿开采2槽及5槽矿界煤柱这一具体问题,进行以上各方面的探讨。
The method of mining release-seam is a special coal-mining method. And the released moment,the enough released time and the released ranye,etc. are the important parameters of mining release-seanis. In the paper the discussed problems as above-meationed are based on mining barrier pillars in groove 2 and 5 of Men tougou colliery of Beijing mining Bureau.
关键词
煤柱
开采
解放层
参数
the release-seam
the released ranye
parameter
pillar
