煤堆自燃的事故树分析及预防措施

Spontaneous combustion of coal pile is a safety problem which infects the coal mines and other coal enterprises. The FTA on spontaneous combustion of coal pile is established by analysis on the influential factors and their logical relationship. According to the fault tree, the minimal cut sets and path sets are decided. The impact of the factors is analyzed by the minimal cut sets. And the preventive measures are proposed by the minimal path sets.