祁东煤矿突水灾害成因分析

Causes of water inrush in Qidong Coal Mine

  • 摘要: 介绍了皖北矿务局祁东煤矿第四系含水层特大突水灾害过程,并根据水位、水质和防水煤岩柱的构成,分析出水水源为第四系“四含”水;导水通道为:工作面上方隐伏的南北方向的古河床切割深沟或垂向导水裂缝带;同时对治理技术方案进行了阐述。

     

    Abstract: This paper introduces course of extraordinary water inrush in Quaternary aquifer in Qidong Mine of Wanbei Bureau. And according to water level, types of water quality and constitutes of waterproof coal rocks pile, author analyzes that water sources is Quaternary "fourthly containing water" aquifer. Causes of forming water conductive channels come from insidious old-aged riverbed dough incised on south to north s way over work face,or lie water conductive channels at vertical way. At the same time,author also states technology solution harnessing water crush.

     

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