Research on Prediction of Water Inflow in Lvtang Coal Mine of Guizhou Province
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Abstract:
Prediction of mine water inflow is important for the protection of mine safety. There are several methods for prediction of mine water inflow, including the big well method，mathematical statistics method, artificial neural network method, hydrogeological analogy method, water balance method, correlation analysis method, and drawdown curve method of mine water inflow. Each of these methods has its own advantages and disadvantages. According to the hydrogeological conditions of the Lvtang coal mine in Guizhou province, the big well method and water balance method were selected to predict the mine water inflow. At the same time, the parameters which can affect the prediction results of mine water inflow were analyzed to ensure the accuracy of prediction results. The results showed that the general water inflow of the coal-bearing stratum in the Lvtang coal mine is 210 L/s, while the maximum water inflow can reach 410 L/s. At the same time, the parameters which can affect the prediction results of mine water inflow were analyzed to ensure the accuracy of prediction results. This study can provide the scientific support for the prevention and control of mine water damage and safety in mine production.
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