Statistical analysis of coal mine accidents in China from 2005-2013

The present study files and categorizes coal mine accidents in within China from 2005-2013 using mathematical statistics Aspects such as accident types, occurrence time, geographical distribution, and death rate per million tons are focused on. The characteristics of the coal mine accidents are analyzed, and the coal mine accident potential regularity is summarized. From this analysis, technical prevention means and safety management measures to prevent and reduce coal mine accidents scientifically and effectively are proposed. According to the accident categories, it is found that the number deaths caused by roof accidents are the highest, while the average mortality of fire related accidents are the highest. The curve of accidents is in line with the curve of death toll and both show fluctuation according to month. February has the lowest accident rate and death toll. This effect is closely related to the low temperatures. According to the 27 provincial units, the death toll of Guizhou, Sichuan, Hunan, Shanxi, and Chongqing coal mine accidents is relatively high. To combat this, China should strengthen the supervision of these places.