steep inclined thin seam 急倾斜薄煤层
steep-inclined coal seam 急倾斜煤层
steep inclined thick seam 急倾斜厚煤层
The stable-compression-resilience-stable deformation features of the support structure was verified during the steep inclined seam mining process.
验证了急倾斜煤层开采过程中支护结构稳定-压缩-回弹-稳定的变形特性。
The steep inclined seam is a difficult mining seam with a poor safety condition, a poor support stability, a lower mechanization and lower mining rate.
急倾斜煤层属难采煤层，具有安全状况差、支架稳定性差、机械化程度低、回采效率低等问题。
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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