Hydrogeological Characteristics Analysis of Typical Coal Mines in Hancheng Mining Area of China

摘要

In order to promote the work of prevention and management of coal mine water disaster in China, it took Panlong coal mine, Xiayukou coal mine and Xiangshan coal mine in Hancheng mining area as object of study, which were compared from 7 classification factors of hydrogeological type, time and scale of water inrush. Ordovician limestone water inrush and water inrush from old and empty areas were then thought out to be the major types of water disaster in Hancheng mining area.