RANDOM INFORMATION SIMULATION AND FORECAST OF WATER INRUSH THROUGH COAL SEAM FLOOR IN MINING AREAS OF NORTHERN CHINA

Water inrush through coal seam floor of mining work face is rather serious in mining area of northern China,which impairs seriously its economical results.Aiming characteristics of water inrush from coal seam floor,this paper has put forward information method to predict water inrush problem and set up information criterion.A lot of exampes have been verified and satisfactory effect has been obitained.