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在白庄井田内F3-1、F3-3及BF37断层进水边界断层保护煤柱外施工井下帷幕截流巷,分序次施工井下注浆孔,利用井上、下相结合的粉煤灰粘土水泥浆注浆系统在五灰含水层中注浆改造“阻水墙”。
In the Baizhuang mine field F3-1, F3-3 and BF37 fault water boundary protection coal pillar outside the construction of the curtain shut-off tunnel, sub-construction of underground grouting hole, the use of up and down the combination of fly ash clay cement Slurry grouting system in lime gray aquifer in the transformation of “water blocking wall.”