【摘要】 分析了现有急倾斜煤层采煤法存在的问题,提出了急斜煤层长孔爆破无人作业工作面空场采煤法,阐述了该采煤法的两种巷道布置方式,分析了该采煤法的优缺点、创新点和适用条件,介绍了该采煤法的回采工艺。更多还原

【Abstract】 Through the analysis problems of mining method in steeply inclined coal-seam,the openstope coal-mining method for unmanned operation face using longhole blasting in steeply inclined coal-seam was created,and two kinds of roadway arrangement layout was expounded in this paper.Then advantages and disadvantages,innovation spot and adaptability condition were analyzed,and coal-mining technology was introduced with using this method.更多还原