基于统计分析法的唐山矿水害规律及防治技术
Water disaster law and prevention technology of Tangshan Mine based on statistical analysis
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摘要: 矿井水害是严重影响煤矿安全生产的地质灾害之一，分析矿井水害发生规律对于有效预防突水事故和安全生产有着重要的现实意义。利用统计分析法选取唐山矿已采区历年来发生的水害事故，结合矿井水文地质及充水条件，分析了水害发育规律，对水害发生的时间序列、地段区块、水源类别、导水通道和突水涌水量等进行了深入分析。结果表明：该矿突水频率呈下降趋势；突水点主要分布在井田中部；水源以煤系地层砂岩裂隙水为主；导水通道以导水裂隙为主；突水量一般不大且突水后水量很快衰减。最后，结合矿井生产实际，提出了一套针对唐山矿水害的防治水工作建议。Abstract: Mine water disaster is one of the geological disasters which seriously affect the safety production of coal mine. It is of great practical significance to analyze the occurrence regularity of mine water disaster for preventing water inrush accident and safe production. In this paper, the statistical analysis method is used to select the water disaster accidents occurred in the mining area of Tangshan Mine over the years, and combined with the mine hydrogeology and water filling conditions, the development law of water disaster is analyzed, and the time series, section and block, water source category, water channel and water inrush are deeply analyzed. The results show that the frequency of water inrush is decreasing. Water inrush points are mainly distributed in the middle of the well field. The main source of water is fissure water of sandstone in coal measure formation. The main water-conducting channel is water-conducting fissure; the water inrush is generally not large and the amount of water inrush soon attenuates Finally, combined with the actual mine production, a set of water prevention and control suggestions for Tangshan mine water disaster are put forward.
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