摘要
介绍了秦源煤业针对矿井在向深部开采时,巷道顶板为松软破碎的泥岩,地质构造又较为复杂,新掘的巷道易变形底臌等情况,在进行不同支护方式试验的基础上,设计了一种适应性强效果好的支护方式。
With the mining transferred to the deep area, the roadway roof became soft broken mudstone, geological structure became more complex, the deformation and floor heave of excavated roadway often occurred. Based on the tests of different supporting methods, the paper designed one adaptability supporting mode.
出处
《陕西煤炭》
2014年第3期70-72,64,共4页
Shaanxi Coal
关键词
“三软”煤层
矿压显现
支护改革
"three soft" seam
strata behavior
supporting reform