同煤集团煤矿顶板事故分析与防治

Analysis and Prevention and Control of Roof Accident in Datong Coal Mine Group

在同煤集团煤矿历年伤亡事故中,顶板事故是造成人员伤亡和财产损失的主要类别之一。为了有效防范顶板事故的发生,指出了顶板事故的主要形式及危害,分析了顶板事故发生的原因,并采用事故树分析法,运用布尔代数法则计算最小割集与最小径集,分析了控制矿井采掘工作中发生顶板事故的途径。最后,提出了防止矿井发生顶板事故的主要措施。

Roof accident is one of the main categories of resulting in casualties and property losses in Datong coal mine group. In order to effectively prevent the occurrence of roof accident,points out the main forms and harmfulness of roof accident. Analyzes the cause of roof accident. Adopts the method of fault tree analysis,using the Boolean algebraic laws to calculate the minimum cut sets and the minimal path sets. Analyzes the ways of control roof accidents in mining. At last,the main measures to prevent the occurrence of roof accidents in coal mine are put forward.