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Method of prevention and control zonal coal and gas outburst

机译:防治区域性煤与瓦斯突出的方法

摘要

#$%^&*AU2012354005B220150827.pdf#####5 Abstract The present invention provides a method of prevention and control zonal coal and gas outburst, which is characterized in that the mining area is divided into mining zones appropriately in a way that the maximum ground stress direction along horizontal direction in every mining zone is 5 essentially the same, and the coal heading and driving direction are arranged in parallel to the maximum ground stress direction along horizontal direction as far as possible by adjusting the mining direction at the working face, so as to reduce ground stress concentration at the end of the working face and reduce coal and gas outburst hazard in the coal driving and mining process at the working face, and thereby reduce the hazard of coal and gas outburst in the mine in overall. 10
机译:#$%^&* AU2012354005B220150827.pdf #####5抽象本发明提供了一种防治区域性煤与瓦斯突出的方法,其特征在于,以一定的方式将矿区适当地划分为多个矿区。每个矿区沿水平方向的最大地面应力方向为与图5中的基本相同,并且煤的前进方向和行进方向平行于调整水平方向的最大地面应力方向采掘工作面的方向,以减少工作面末端的地面应力集中工作面,减少采煤和采煤过程中的煤与瓦斯突出危险工作面,从而总体上降低了煤矿中煤与瓦斯突出的危险。10

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