龙固煤矿毕垓断层探查技术研究

Research of the exploration technology of Bi Gai fault in Longgu coal Mine

龙固煤矿-950 m延深下山施工过程中需穿过毕垓断层,通过对断层含水特征的分析,提出了利用井下钻孔对毕垓断层进行探查并超前预注浆的措施,实践应用表明毕垓断层导水性差,消除了潜在的水害隐患,确保了-950 m延深下山安全通过该断层。

In the process of constructing Longgu Coal -950 m extended diphead ,need to pass through Bi Gai fault, by analyzed the characteristic of watery fault, proposed the use of drilling detection and the advance pre-grouting measures, the practical application show that Bi Gai fault water conductivity is low, which eliminate the potential hazard, and ensure the -950 m extended diphead safely to pass through the fault.