Finally, the paper considers that the fully mechanized coal caving mining is helpful to control outburst hazard.
具突出危险性的厚煤层采用综采放顶煤开采法对消突是有积极作用的。
There are strict regulations in top-coal caving mining with hazard of coal and gas outburst. The main reason is the problem of safety.
煤与瓦斯突出危险煤层的放顶煤开采有严格的法规限制，限制主要是从安全上考虑的。
A numerical example shows that this method is effective and easily to come into use in the fields of top coal caving mining and coal mining under water bodies in future.
算例的计算结果表明，该方法简单、快速，有望在放顶煤开采和水体下采煤中得到应用。
During the fully mechanized top coal caving mining under the water bodies, the given calculation formula could be applied to calculate the Max height of the water conducted fractured zone.
在进行水体下综采放顶煤开采时，可利用给出的计算公式进行导水裂缝带最大高度的计算。
The paper introduces the background, the technical difficult, the general design and the operation of technical transformation in Xiagou coal mine with longwall top-coal caving mining.
介绍了下沟煤矿综放技改合作项目的缘由、技术难点与总体技术设计以及项目运作与体会。
The paper introduces the background, the technical difficult, the general design and the operation of technical transformation in Xiagou coal mine with longwall top-coal caving mining.
介绍了下沟煤矿综放技改合作项目的缘由、技术难点与总体技术设计以及项目运作与体会。
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