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吴寨矿己17煤层与具有突出危险性的矿井十矿、十二矿相邻,采掘延伸达到或超过垂深50m时必须确定煤层的突出危险性。根据地质资料和实测数据,结合邻近矿井瓦斯动力现象,应用单项指标对吴寨矿己17煤层进行了瓦斯突出危险性研究。结果表明,在标高-450m以浅,吴寨矿西翼采区己17煤层无煤与瓦斯突出危险性。
The coal seam of Wuzhai Mine17 is adjacent to the No.10 Mine and No.12 Mine of Outstanding Danger, and the outstanding danger of the coal seam must be confirmed when the mining extension reaches or exceeds the depth of 50m. According to geological data and measured data, combined with the gas dynamics in the adjacent mine, a single indicator is used to study the gas outburst hazard of coal seam 17 of Wuzhai Mine. The results show that there is no risk of coal and gas outburst in the coal seam of No. 17 in the west wing mining area of Wuzhai Mine at the elevation of -450m.