【摘要】 将事故树分析方法运用于煤巷顶板锚杆支护危险性评价,根据已构造出的事故树,确定导致事故发生的基本原因事件及其最小割集分布,进而求出其结构重要度并进行排序,从而最终找出导致事故发生的关键因素,为矿山企业的决策者及施工技术人员提供比较可靠的决策和施工设计依据。更多还原

【Abstract】 Fault Tree Analysis(FTA) is one of the most important analysis methods of Safety System Engineering,the FTA has many advantages such as intuitionistic,clear and logistic features etc on describing the consequence of accidents.The FTA method is used to evaluate the fatalness about bolt supporting of the roof of coal drift in this article.The basal causation events and distributing of the minimal cut aggregates are confirmed by the constructed Fault Tree,then work out the fabric essentiality and carry through compositor to find the key factors to the accidents.It is a good way to provide reliable gists to the leaders and construction & technology personnels of mining enterprises.更多还原