Mine water inflow calculation method based on spatial analysis
Fang Xiangqing1, Shen Zhihui1,Wu Tiewei2
1.Hydrogeology Bureau of China National Administration of Coal Geology, Handan 056004, China; 2. The Fourth Hydrogeological Exploration Team of China National Administration of Coal Geology ,Handan 056001, China
Water quantity calculation methods include analogy method, analytical method and numerical method, the first two method is simple, the numerical method is more complex, with unsatisfactory calculation accuracy. In order to improve the prediction accuracy of the mine water inflow and provide the technical data for mine water prevention work, with the basic principle of Darcy's law in this paper, the planning of mining area and mine inflow shaft were predicted, the predicted water inflow value was 2831.69m3/h, the relative error 5.9%, the comparison showed that the technology is superior to the accuracy of numerical method, and can calculate dynamic inflow of water inflow in arbitrary shape shaft.
