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针对东曲矿综采工作面采空区瓦斯抽放和上隅角瓦斯超限问题,通过相似材料模拟实验,分析工作面在整个回采过程中,采空区上覆顶板岩层活动特征和裂隙发育规律,确定了不同采动条件下高抽巷的合理位置参数。
In view of the problem of gas drainage in the goaf and the gas overrun in the upper corner of the fully mechanized mining face in Dongqu Mine, the similarities and differences of the gas blanket in the top corner of the fully mechanized coal mining face in the goaf during the entire recovery process are analyzed. Law, determine the reasonable position parameters of high pumping tunnel under different mining conditions.