梅花井煤矿直罗组砂岩含水层开采扰动后的渗透性分析及充水试验研究

Permeability analysis and water filling experimental research of Zhiluo formation sandstone aquifer after mining disturbance in Meihuajing Coal Mine

结合梅花井煤矿煤炭开采顸板水害防治难题,对孔隙性富水弱渗砂岩含水层进行试验研究,基于渗流力学理论建立孔隙性含水介质采动渗透试验模型和钻孔集渗效果试验模型,试验揭示了孔隙性含水层钻孔集渗效应及采动后的裂隙汇水效应的水动力学机制,研究成果对于区内乃至西部侏罗系聚煤区矿井顶板水害防治具有重要的技术借鉴意义。

Aiming at the problem of roof water damage prevention and control in Meihuajing Coal Mine, experimental research on porous water-rich sandstone aquifer with weak permeability was carried out, porous water-bearing media mining penetration experimental model and drilling seepage effect experimental model were built based on mechanical theory of flow through porous media, the experiment revealed hydrodynamic mechanism of drilling seepage effect of porous aquifer and fissuring water catchment effect after mining, the research results had an important significance for mine roof water damage prevention and control in this area and even western Jurassic system coal-bearing region.