庚组煤层是平顶山矿区新开发的最下煤层。目前在平顶山矿区中仅有二、三矿首先开采该煤层。它的开采成功与否对平顶山矿区后备储量的开发,延长老矿服务年限意义深远。但平顶山庚组煤层系不稳定煤层,顶板属难管理的坚硬顶板。平三矿自1985年先后开采该煤层三个区段以来,曾发生多起顶板事故。其中1987年 Geng Group coal seam is the most developed coal seam in Pingdingshan. At present, only two or three mines in Pingdingshan mining area first mined the coal seam. Whether it succeeds or fails to exploit the reserves of Pingdingshan mining area and extend the service life of old mines is of far-reaching significance. However, Pingdingshan Group G unstable coal seam, the roof is difficult to manage the hard roof. Since the mining of three sections of Pingdingshan Coal Mine in 1985, there have been many roof accidents. Among them 1987