block caving coal mining method [矿业] 大块崩落采煤法
fully caving coal mining method 全部垮落采煤法
fully mechanized caving coal mining 综采放顶煤
coal caving mining 放顶煤开采 ; 放顶煤
Roof coal caving mining 放顶煤回采
coal caving mining methods 放顶煤采煤法
longwall top-coal caving mining 放顶煤开采
The fully mechanized caving coal mining under the railway in mine area will result in difficult maintenance of railway because of great deformation and subsidence speed of terrene and railway.
在矿区铁路下进行放顶煤开采所引起的地表及铁路的变形量大，变形速度快，从而导致矿区铁路维护困难。
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。
Base on the site observation and experimental research, the paper studied the top coal structure for the top coal caving mining in steep inclined seam sections.
在现场观测及实验研究基础上，对急倾斜水平分段放顶煤开采过程中顶煤体结构进行了研究。
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