inclined seam

Test and Study on Long Bore hole Drilling in Inclined Seam for Gas Pre-Drainage and Gas Outburst Prevention

预抽瓦斯防突倾斜顺煤层长钻孔施工技术的试验研究

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This paper introduces that tilting prevention support group is developed and applied result in inclined seam workface.

为了预测急倾斜煤层开采的效果和决策辅助技术，对急倾斜煤层可采工艺性进行综合评价。

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The horizontal section top coal caving in steep seam is different from the gently inclined seam.

急斜煤层水平分段放顶煤开采与缓斜煤层不同,工作面沿煤层厚度的水平线布置,长度短.

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Contrast Testing Study on Steeply Inclined Seam Roadway Support under Different Support Form

不同支护形式下急倾斜煤层巷道支护对比实验研究

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Based on the stochastic theory, this paper derives a serives of theoretical calculation formulae of ground surface movement due to extraction of an inclined seam on space problem, and obtains a lot of conclusions.

本文从随机介质理论出发，导出三维情形下开采倾斜煤层地表移动及变形的一系列理论计算公式，监得到许多结论。

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