陜澠煤田頂?shù)装逅υu價與防治對策研究
[Abstract]:This paper studies the main aquifers and the drainage conditions of the Shanxi Mian coal field in the west of Henan Province. The water damage data of the mine have been collected. It is pointed out that the main water damage types of the mine production area are the roof sandstone water and the bottom limestone water, and the key is the limestone karst fissure water in the floor Ordovician system. The process of "three map double prediction" is applied to the water of the roof sandstone. The water conditions carried out the hazard zoning and the budget of water inflow. The water inrush hazard of the Taiyuan limestone and Ordovician limestone aquifers in the floor was evaluated and the risk zoning respectively by the vulnerability index method. It was pointed out that the water level of the top plate sandstone water and the floor Taiyuan formation of the thin layer limestone water decreased greatly and the reserves were insufficient because of the long-term sparse drainage (discharge). The key and difficult point of mine water prevention and control is to prevent the water inrush from the aquifers in the coal mine. According to the zoning of the arcane ash water inrush, the countermeasures and suggestions are put forward to strengthen the management, improve the dynamic observation system of the water level, expand the drainage capacity of the mine, comprehensive geophysical prospecting, grouting to rebuild the floor, and the combination of drainage and use.
【學(xué)位授予單位】:中國礦業(yè)大學(xué)(北京)
【學(xué)位級別】:博士
【學(xué)位授予年份】:2014
【分類號】:TD745
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