Calculation of Hydrogeological Parameters and Water Inflow Estimation of Dahaizei Mining Area Based on Aquifertest
Water pumping test is one of the most commonly used hydrogeological tests in hydrogeological explo-ration.Based on the relevant data of Dahaizei well field in Yulin City,this paper uses the Newman model and Bo-lton model of Aquifertest to determine the hydrogeological parameters,respectively.Finally,the corresponding drainage value is 0.200 m2/min;water supply degree is 0.024;water storage value is 0.000177 and permeability co-efficient is 4.434 m/d.Using the horizontal gallery method to calculate the water inflow of mine,the water inflow of coal mine is 5169.351 m3/d.This method has small error and reliable results,which provides an effective meth-od for calculating hydrogeological parameters and predicting water inflow quickly and efficiently,and provides a reference for the subsequent mining and construction of the deposit.
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