THE APPLICATION OF GIS TO THE PREDICTION OF WATER OUTBURST FROM COAL FLOOR——CITE THE CASE OF XIAOQING COAL BED OF FENGFENG COAL MINE NO2 AS AN EXAMPLE

The authors introduced the methed and steps of predicting the water outburst from coal floor using Geographic Information System, established a model of water outburst from the floor of Xiaoqing Coal bed in Fengfeng Coal Mine No2, and set apart some danger zones of water outburst according as the liminal values of outburst indexes in order to forecast the practical water outburst.