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通过对西铭矿下组煤8号煤层开采以后,在9号煤层中6个工作面9条回采巷道的统计分析,提出开采相同地质条件下,9号煤层中的合理巷道位置以及送道时向,从而带来的经济效益和社会效益。
Based on the statistical analysis of 9 mining roadways in No.6 coal seam after No.8 coal seam of Ximing Mine in Ximing Coal Mine is proposed, the reasonable roadway location in No. 9 coal seam under the same geological conditions and the time of delivery To bring the economic and social benefits.