矿井继生充水含水层的涌水特征及其水害防治措施

The water gushing features of non-native water-filled aquifer and methods for water prevention and control

通过对彬长矿区综采放顶煤工作面煤层赋存条件、裂隙带影响高度与开采工艺的研究,结合生产实践经验,提出了矿井继生充水含水层及离层、裂隙储水空间概念,分析了此类矿井的防治水方法。经综合试验证实了矿井继生充水含水层的存在,实现了井下导排水。研究结果显示:洛河组砂砾岩含水层为主要充水水源,涌水量的大小与开采方式有着密切关系,矿井继生充水含水层是现代采矿工艺下特有的地质现象。

Through the research of the coal seam conditions in sublevel caving mining technology,height of the fractured zone and mining technology,combined with practical experience,the paper proposed the spacial concept of separation layer,water storage space of fissures and methods for water prevention and control.Use of the comprehensive test confirmed the presence of the separation layer,water storage space of fissures,realized underground drainage.The results show that Luohe Formation sandstone aquifer is the main source of water,mine water inflow has a close relationship with mining technology,separation and water storage space of fissures are unique geological phenomena in modern mining technology.