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该文介绍了矿井的水文地质特征 ,并结合具体情况对曹庄矿 8812工作面采用疏水降压采煤技术 ,实现了安全开采 ,为 - 2 80m水平以下深部煤8的开采提供了宝贵经验。
This paper introduces the hydrogeological characteristics of coal mines and applies the technology of water hammering and pressure reduction to the 8812 working face of Caozhuang Mine in accordance with the specific conditions to realize safe mining and provides valuable experience for the mining of deep coal below - 280m.