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青鹏煤业-22103运输巷施工过程中,碛头煤层顶板遇裂隙来水,由于受裂隙水压及岩石应力的影响,裂隙水逐步增大,形成涌水量超出现水平排水能力,造成-200水平被淹的严重后果。青鹏煤业公司主采三叠系上统须家河组第三段的M7(外大连)煤层和第一段M2(双连)煤层,开采标高+490~-200m,-22103运输巷位于-200水
During the construction of Qingpeng -22103 transportation lane, the top of the morale of coal seam encounters cracks and incoming water. Due to the influence of fissure water pressure and rock stress, the fissure water gradually increases and the inflow exceeds the existing horizontal drainage capacity, resulting in -200 The serious consequences of flooding. Qingpu Coal Mining Company mainly adopts the M7 (outer Dalian) coal seam and the first M2 (double) coal seam of the third member of the Upper Xujiahe Formation in the Triassic. The mining elevation is + 490 ~ 200m and the -22103 transportation lane is located at -200 water