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Calculation Method of Surface Pre-grouting Result Inspection and Measurement for Mine Shaft Sinking

ZHOU Hua-qun1,SHAO Shi-pu2(1.Beijing China Coal Mine Construction Engineering Company Ltd.,Beijing 100013,China;2.Geological Engineering Company,Yanzhou Coal Mining Group Corporation Ltd.,Zoucheng 273500,China)  
In order to objectively analyze the surface pre-grouting results of the mine shaft sinking,the paper provided to have the pressurized water test to calculate the penetration parameters of the aquifer and the residue water flow method of the mine shaft to replace the conventional water pumping test method.With the adjustment of the pressurized water flow,the multi stage pressurized water tests ware realized.Therefore the penetration parameters of the aquifer and the residue water flow of the mine shaft could be more accurately calculated.
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