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Computerized Tomography Methods for Dam and Embankment Inspection

Liu Junli1,Wei Fuwang 2,Li Xin 3,Yang Lei3,Wang Rui3(1.Jiyuan Water Survey and Design Department,Jiyuan 454650,China;2.Jiyuan Soil and Water Conservation Science Institute,Jiyuan 454650,China;3.Yellow River Institute of Hydraulic Research,Zhengzhou 450003,China)  
Application of computerized tomography methods makes dam Inspection technology more simple,efficient and economical.This paper described the concept and basic principle of the tomography detection method.On the basis,it analyzed the development process,parameters,the installation methods,data-processing algorithms and chromatography of the electromagnetic CT,high-density resistivity CT,sonic CT,earthquake CT and optical CT of dam detection and investigation.And it expounded tomography methods of technical characteristics,scope and so on.Finally,it discussed the application prospects and promoting values of tomography techniques in dam Inspection.
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