吴桂桥煤矿突水机理与水害防治

The Mechanism of Water Burst and Prevention of Flood in Wuguiqiao Coalmine

摘要: 吴桂桥煤矿水文地质条件复杂，防治水难度大，安全形势严峻。突水主要通过隐伏通道突水、陷落柱导水和构造导水。水害防治措施为煤层底板加固、灰岩水疏干降压和防水闸门构筑。

Abstract: The hydrogeologic conditions are complicated in Wuguiqiao Coalmine. The prevention of flood is difficult and the safety situation is severe. The water burst is mainly through hidden passways and collapsed columns and fractures. The measures of flood prevention are consolidation of coal base and pumping of karst water and construction of floodgate.