大同矿区“三下”压煤开采措施分析

Analysis on mining measures for coal under village,railway line and river in Datong Mining Area

大同矿区各类煤柱较多,压煤量大。在当前资源趋紧、接替紧张的情况下,对煤柱进行规划和开采十分必要。通过对我国目前“三下”压煤开采技术现状的介绍和分析,结合大同矿区的具体情况,对其煤柱(侏罗系煤层,不包括石炭二叠系煤层)的开采方法进行了可行性分析。

There area many different coal pillars with great amount of coal.At present coal resources in high tension and the rapid moving of the mine activities,it is necessary to have a plan and mine the coal pillars.The paper introduced and analyzed the mining technology status for coal under the those pillars in China.In combined with the certain conditions in Datong Mining Area,the paper had a feasible analysis on the mining methods for coal pillars(Jurassic Period seam,but not including carbon Permian System sea...