Abstract
To solve water disasters of coal seam bottom in the 8th coal mine, with the analysis on the bottom aquifer characteristics, the water inrush coefficient method was applied to evaluate the dangers of the aquifer floor and to the dangers division of water inrush. In combination with the karst fracture development conditions of the aquifer, we designed the water prevention and control plan of the limestone water under the seam floor. All the schemes set the basis for the mine safety production.
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