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Application of Blast in Raising the Capacity of Karst Containing Water System Well

Zhang Yubao The Exploration Engineering Ltd. of Huaibei Mining Industry Group (Anhui 235000)  
By way of the engineering practice in Zhahe mining area, the method raising the well capacity in the karst containing water system under the suitable hydrogeology condition was introduced. This method can also suit to raise the well capacity of karst water system and other hydrology drill in similar condition, as long as the three links be held that are judgment of hydrogeology condition, selection of blasting layer and decision of explosive charge, and the construct being organized scientifically.
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