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Comparisons Water Balance to Value Simulation in the Forecast of from the Depth Inflow of the Mine Pit——Take an Iron-ore in Xishimen as an Example

DAI Yan-ke,CUI Shi-xin,ZHANG Kun(Non-ferrous Engineering Investigation Institute in North of China,Shijiazhuang 050021,Hebei)  
The usual forecast method of inflow from the mine pit are the hydrogeology analogy method,the curve equation of mine inflow,the water balance method,the analytical method of stable flow,the value method the electrical net simulation method.Each method has their own property,if it has a suitable utilization,the expected result can be get.The article takes the depth inflow of the iron ore in Xishimen as an example for comprising the forecasted result and the suitable condition of the water balance method to the value simulation method.
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