The Sanhe Gypsum Mine in Dingyuan District Anhui Province has been mined for more than ten years. This mine is underground mine and adopts room-and-pillar stoping. The treatment method of goaf is caving. At present the area of uncaving goaf increases year by year, the illegal buildings above the ground exist seriously, the mining border is not clear, the technical staffs are lacking and the management is not perfact. The huge potential safety hazard is existing. Many measures must be carried out without delay to reinforce the safety management.%安徽定远三和石膏矿已有十多年开采历史,均为地下开采,采用房柱式采矿法,采空区处理采用冒落法.目前矿区未冒落的采空区面积逐年增大.地面违章建筑现象严重,矿界标准不统一,技术力量薄弱,安全管理不完善,存在巨大安全隐患,应及时采取措施加强安全管理.
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