Volume 36 Issue 4
Jul.  2011
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LI Ping, GUO Hui-rong, WU Kong-jun, JIN Meng-gui, LI Xue-wen, 2011. Numerical Simulation and Forecast of Mine Discharge in Wanghe Coal Mine. Earth Science, 36(4): 755-760. doi: 10.3799/dqkx.2011.076
Citation: LI Ping, GUO Hui-rong, WU Kong-jun, JIN Meng-gui, LI Xue-wen, 2011. Numerical Simulation and Forecast of Mine Discharge in Wanghe Coal Mine. Earth Science, 36(4): 755-760. doi: 10.3799/dqkx.2011.076

Numerical Simulation and Forecast of Mine Discharge in Wanghe Coal Mine

doi: 10.3799/dqkx.2011.076
  • Received Date: 2010-10-08
  • Publish Date: 2011-07-01
  • In numerical simulation of mine discharge of karst water, a regional model and a local model are constructed to solve the boundary conceptualization, and the heterogeneity of karst medium is depicted using information compound technology. The regional model of the study area, Xinggong mining area, is constructed due to the fact that it has complete hydrogeological boundary which can provide specified flow values for boundaries in the simulation model of mine discharge in Wanghe coal mine, which is the local model. The vertical and horizontal parameters of the water filling aquifer are divided using information compound technology, based on the analysis of many data such as borehole, structure, water inrush and geophysical investigation. The refined simulation model of mine discharge in Wanghe coal mine is then constructed. The normal mine discharge and maximum mine discharge of different mining faces are forecasted using this model. The results show that when mining the faces of 111070, 113090, 113110 and 113120, the normal mine discharges are 490, 350, 560 and 590 m3/h respectively, and the maximum mine discharges are 690, 490, 790, and 830 m3/h respectively. The results can provide a scientific basis for the mine design department to determine mining scheme, arrange drainage equipment and take measures to control water.

     

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