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Electrical Characteristics of Buried Fault and Prospecting by Superficial Direct-current Electrical Method

WANG Ai-guo~(1,2),MA Wei~(2),ZHANG Xiang-hong~(1),LIU Yu~(1)(1.Earthquake Administration of Gansu Province,CEA,Lanzhou 730000,China;2.State Key Laboratory of Frozen Soil Engineering,Cold and Arid Regions Environmental and Engineering Research Institute,CAS,Lanzhou 730000,China)  
The electrical characteristics of buried fault in different environment,and the curve shape of resistivity composite profile for different kinds of fault.The process of buried fault prospecting by superficial direct-current electrical method is illustrated by real some cases.The results show that superficial direct-current electrical method is valid to the detecting of some kind of buried fault but the prior knowledge is very important and is the key to the efficiency of prospecting and the interpretation of result.
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