Xingtai and Handan areas are important orefields,it’s affected by Mine water disaster.Mine water inrush especially at the floor took place frequently in history,caused the severe economic loss and adverse effects. Most coal resource in most shallow mining in Xingtai and Handan areas will be exhausted, and must exploited the deep area,the situations of mining water prevention are very grim.All kinds of water-inrush accidents especially at the floor show that the water-inrush channel mainly is concealed water...