Analysis, Simulation And Application Of Water Inrush System In Mine Area

Water inrush and rate of water are discussed in the water inrush system. Multiple-fountain information integrate transact technique and other related disposal methods are used to summarize characteristics of original rock stress , displacement and permeability rule in the water inrush system .It is illuminated by mechanics analysis and numerical simulation that rock failure mechanism under hydraulic pressure is shear-tension-pressure complex and giving priority to shear. It is indicated by an example of special big water inrush on Fangezhuang 2171 working face and numerical modeling of caved Karst pillars that water inrush pattern is exactly generalized as 'Column pipeline of water inrush', academic criterion of 'feeble zone column pipeline of water inrush'is correct. Fangezhuang mine groundwater system is simulated accurately by generalized multiple medium coupled model of seepage and stress fields. It is indicated by model identify that groundwater simulation fully represent characteristics of fractured rock, such as strong runoff zone , partly non-continuity, and reaction one another of stress and seepage. Natural volume rates of mining groundwater on third mining level are 10 m3/min by forecasting of the model.