摘要
2016年6月,正在掘进的12409回风顺槽发生异常涌水。涌水点附近出现底鼓,水流带气,其中H_2S体积分数为0. 02%,CH_4体积分数为0. 31%。随后进行潜水泵排水。排水后,水量明显水量减少,水中气味逐渐消失。通过地面及井下地质调查、水样化验分析,指出12409回风顺槽异常涌水源为断层水。为矿井防治水工作提供了水文地质依据。
In June 2016,the driving No. 12409 air-return crossheading had an abnormal water inrush. Near the inrush point had happened floor heave and gases in water,in which,volume fraction of H_2S is 0. 02% and CH_4 0. 31%. Then submerged pump drainage carried out. After drainage,the water flow was significantly reduced,unpleasant odors gradually cleared away. Through surface and underground geological prospecting,water sample tests,have verified the abnormal inrush is from water in fault. The study has provided basis for coalmine water hazard control works.
引文
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