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Height Analysis of Water Flowing Fractured Zone of a Coal Mine Mining Under Large-scale Water Mass
Author(s): 
Pages: 190-192
Year: Issue:  12
Journal: Safety in Coal Mines

Keyword:  large-scale water masswater flowing fracured zonehydrogeologic conditionBP neural network;
Abstract: 在对某矿水文地质条件分析的基础上,讨论了其充水因素并确定了大型水体进入该矿井的3种途径。针对水体通过导水裂隙带进入矿井的这一途径,运用简易水文地质测试法与仰斜钻孔双端堵水导高观测法研究了导水裂隙带的发育规律,确定了裂采比为8.3~8.8范围,最后构建了包含采厚、采深、覆岩厚度、顶板抗压强度、倾角、泥岩比例6个影响因子的导水裂隙带的BP神经网络预测模型,通过实测数据证实了该模型具有良好的实用性。研究结果为该矿在大型水体下安全采煤、防水煤柱的留设提供了依据。
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