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近距离煤层下行开采时,下层煤回采巷道的位置至关重要。针对106煤矿7#煤回采巷道的布置问题,通过数值模拟和理论分析研究得出:当考虑11采区上山与7#煤回采巷道连接时,7#煤层11701工作面回采巷道应采用垂直布置;当考虑6#煤层采动影响时,11701工作面的回采巷道应采用内错布置,11701的运输平巷由11601运输平巷向内平移15 m,11703的回风平巷由11603回风平巷向内平移25 m。
When the coal seam is mined at a low distance, the location of the roadway in the lower coal mining is of the utmost importance. According to the numerical simulation and theoretical analysis, the layout of No.11 coal mining roadway in No.600 coal mine is studied. The results show that when considering the connection between No.11 mining area uphill and 7 # coal mining roadway, the vertical roadway should be adopted for No.11701 working face in No.7 coal seam. When considering the influence of 6 # coal seam mining, 11701 mining face should be used within the wrong roadway layout, 11701 transport lane by 11601 transport lane inward translation 15m, 11703 return airway by the 11603 return air Lane Shifts inward 25 m.