论文部分内容阅读
从技术、经济角度论证了轻放技术在薛村矿“三软”煤层条件下应用的可行性 ,对“三软”条件下端面冒顶问题进行了理论分析 ,并提出了改进架型等解决这一难题的具体措施。
From the technical and economic point of view, the feasibility of using light-weight technology under “three-soft” coal seam conditions of Xuecun Mine is demonstrated. The theoretical analysis of the roof falling problem under the “three soft” conditions is proposed. A specific measure of the problem.