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本文主要阐述了潘谢矿区覆岩破坏规律及缩小防水煤柱机理。通过分析冒落孔资料 ,得到覆岩破坏高度和有杭 ,顶板岩性结构 ,原生裂隙 ,时间等的关系 ,提出潘谢矿区提高回采上限的对策。
This paper mainly expounds the law of overburden failure in Panxie mining area and reduces the mechanism of water-proof coal pillar. By analyzing the data of the caving hole and obtaining the relationship between the height of the overburden failure and the hanging wall and the roof, the primary cracks and the time, the paper puts forward the countermeasures to increase the upper limit of mining recovery in Panxie mining area.