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本文根据华亭县煤矿放顶煤工作面的矿压显现特点,分析探讨了急斜特厚煤层水平分段放顶煤工作面上覆岩层可能形成的两种结构形式及其对工作面矿压显现的影响,提出了放顶煤工作面支护设计、开采技术参数选择及顶板管理的建议。
According to the characteristics of mine pressure in caving coal caving face in Huating County, this paper analyzes the possible formation of overburden strata in horizontal section caving coal face in steep and extra-thick coal seam and its influence on the occurrence of mine pressure in working face The author put forward the suggestion on the support design of caving coal face, the selection of mining technical parameters and the roof management.