Causes of water inrush in Qidong Coal Mine

This paper introduces course of extraordinary water inrush in Quaternary aquifer in Qidong Mine of Wanbei Bureau. And according to water level, types of water quality and constitutes of waterproof coal rocks pile, author analyzes that water sources is Quaternary "fourthly containing water" aquifer. Causes of forming water conductive channels come from insidious old-aged riverbed dough incised on south to north s way over work face,or lie water conductive channels at vertical way. At the same time,author also states technology solution harnessing water crush.