steep coal-seam 急倾斜煤层
steep dip coal seam 急斜煤层
steep thick coal seam 大倾角厚煤层
steep soft coal seam 急倾斜松软煤层
steep-inclined coal seam 急倾斜煤层
steep-inclined thick coal seam 急倾斜厚煤层
top coal in steep seam 急倾斜煤层放顶煤
From these views, through phenomenon experiment theory thought mode, be based on ideal loose body and random medium theory, this thesis make study on rule of steep coal seam mining step by step.
基于以上认识,本文通过维象、实验、维理思维模式,以理想松散体模型、随机介质理论为基础,逐步研究急倾斜煤层开采地表移动规律。
参考来源 - 急倾斜煤层开采地表移动时间过程研究·2,447,543篇论文数据，部分数据来源于NoteExpress
Research on Destruction Mechanism and Supporting in Roadway of the Steep Coal Seam of Taiping Coal Mine;
一侧采空巷道稳定性不仅与支承压力分布有关，而且与煤体受破坏程度有关。
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。
First, based on similar material model test, top coal cave-in characters in steep and thick seam were studied as well as failure law of main roof and features of surface subsiding.
首先利用相似模拟实验研究了急斜特厚煤层顶煤的冒落特征、顶板的破坏规律，以及地表下沉的特点。
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