摘要
针对云冈矿坚硬顶板、坚硬煤层、高瓦斯、易自燃特厚煤层的特殊条件综采放顶煤开采的巷道布置、顶板与顶煤的弱化、瓦斯与自然发火的防治等进行了探讨。
In terms of the special situation in Yun Gang Mine of hard roof, hard coal layer, concentrated gas, easy spontaneous combustion very thick coal layer, this article deals with the arrangement of tunnels in comprehensively mining top coal, weakening of roof and top coal, prevention of gas and combustion.
出处
《华北科技学院学报》
2004年第4期65-66,共2页
Journal of North China Institute of Science and Technology
关键词
两硬条件
综采放顶煤
自然发火
Two Hard condition
comprehensively mining top coal
combustion
