【摘要】 根据保护层开采理论,对新庄孜煤矿52210工作面上保护层开采技术进行现场考察,考察结果表明,B10煤层上保护层开采对B8煤层被保护层突出危险性消除效果明显。试验结果对类似开采条件的矿井防治煤与瓦斯突出及瓦斯综合治理具有一定指导意义。更多还原

【Abstract】 According to analysis the theory of protective layer mining and practical situation in Xinzhuangzi coal mine,the results showed that the designed plan is reasonable,the protection effect of the spot test are obvious.The success of this subject will give beneficial references to mining area with analogous conditions.更多还原