A New Method of Analyzing Aquifer Water Abundance

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To prevent water bursting in mining coals and boring tunnels, analysis of water abundance of aquifer has to be done firstly. Based on analysis of main factors that can influence the water abundance of aquifer, five indices were used-aquifer thickness, drilling fluid consumption, structure distribution density, specific capacity and permeability coefficient. And the fuzzy analytic hierarchy process was introduced to determine the weight of each factor. Combining the data management and spatial analysis of GIS, we calculated and estimated the characteristic of water abundance for the study area. Due to the wide variance of water abundance over the whole study area, we set five rates to show the different results. So the study area was divided into five parts whose water capacity from high to low. The division was consistent with the hydro-geological conditions. So our method could be an alternative.

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1134-1141

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May 2012

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© 2012 Trans Tech Publications Ltd. All Rights Reserved

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