The current situation of coal mining with water protection technology
The significance of coal mining with water protection technology is described,and the control theory of shallow buried coal seam mining strata is analyzed.Based upon the actual situation of working faces,the gangue filling method,paste filling method,high water and ultra-high water filling method are separately studied,thereby the currently theory and technology of coal mining with water protection have been well developed and applied.
coal mining water protectiongangue filling methodhigh water and ultra-high water filling
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