Floor heave is the most common convergence in gob-side entry retaining.The paper analyzes the form,process and character......

Gob-side entry driving can increase coal recovery ratio, and it is implied in many coal mines. Based on geological condi......

In order to investigate the frequent occurrences of rock burst in gob-side entry during the mining process of the mining......

In multi-seam mining,the interlayer rock strata between the upper coal seam(UCS)and the lower coal seam(LCS)appear damag......

针对千米深井综放工作面沿空掘巷支护方式进行分析,采取提高掘进一次原始支护,回采前增加二次加强主动支护和动态保持超前支护强度......

针对上层煤残留煤柱集中应力影响下,回采巷道布置难度大、支护困难等一系列问题,以中煤大同能源有限责任公司塔山煤矿30515综放工......

为提高煤炭资源回收率,延长矿井服务年限,降低回采巷道掘进率,城郊煤矿在21404工作面轨道巷实施柔模混凝土沿空留巷技术,对中厚煤......

介绍了沿空留巷技术在榆家梁煤矿43308工作面应用情况，描述了工作面巷道支护技术、柔模混凝土巷旁支护的施工情况。对沿空留巷进行......

Angle of break(AOB)is the acute angle created by the coal seam bedding plane and caving line formed by roof strata movem......