煤层底板水对煤层开采的内在影响

Internal effect of coal seam floor water on coal seam mining

以三塘湖石头梅一号露天煤矿9-1煤层底板水为研究对象;结合煤层底板水的赋存状态、水力联系、涌水规律、水化学类型、突涌性情况以及煤层底板岩石力学特征,分析了煤层底板水对煤层开采的内在影响;阐述了煤层底板水产生的危害性,对煤层底板水危险性进行了分类和评价;为露天采场水害防治提供一定依据。

Taking the floor water of 9-1 coal seam in Shitoumei No.1 Open-pit Coal Mine of Santanghu as the research object,based on the occurrence status,hydraulic connection,water inflow pattern,hydrochemical type,sudden inflow characteristics and rock mechanics characteristics of coal seam floor water,the article analyzes the internal impact of coal seam floor water on coal seam mining,elaborates the hazards of coal seam floor water production,classifies and evaluates the hazards of coal seam floor water,which provide a certain basis for the prevention and control of water hazards in open-pit mining areas.