Research on mine risk classification and establishment of index system

This paper discusses the need for mine risk classification and significance for coal mines risk classification to be taken into account the main hazards, safety precautions factor and emergency rescue factor, it will build a coal mine for more than three risk factors as sub-level indicators of the level indicator. Consider the major coal mine disasters, the main factors in the hazard level of 12 indicators divided under two indicators, taking into account many factors to prevent coal mine safety factor in the security division that contains the following three indicators ranging from 3-10 three indicators and six secondary indicators, level indicators in the emergency rescue factor set under the seven secondary indicators. The above constitutes a complete integrated mine risk indicator classification system.WT