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1985年12月13日下午,湖南涟邵矿务局牛马司煤矿水井头工区2228工作面初次放顶时,发生重大冒顶事故,死亡9人,伤1人,抢救时间长达60多小时.为了总结教训,避免同类事故再次发生,特对事故酿成的条件、经过、原因和教训进行阐述和分析.一、自然情况和酿成事故的条件2228工作面位于该井田西翼,走向长500米,倾斜长114米,在上顺槽往下44米处布置
On the afternoon of December 13, 1985, a major roof accident occurred when 2228 working face of Shuijingtou work area at Niushao Coal Mine in Hunan Lian Shao Coalmine Bureau was hitched for the first time, killing 9 people and injuring 1 person for more than 60 hours. Summarize the lessons learned, to avoid the recurrence of similar incidents, especially for the accident caused by the conditions, elapsed, causes and lessons elaborated and analyzed A. Natural conditions and the conditions leading to the accident 2228 face located in the west wing of the mine field, heading 500 meters long , Tilt length of 114 meters, 44 meters down the slot arrangement