Abstract
This article presents a review of applications of computed tomography (CT) in soil science and petroleum engineering. We discuss the use of CT images to obtain quantitative expressions for soil structure. We elucidate this approach with a case study of an infiltration experiment in an undisturbed clay soil. The clay sample was scanned in initially dry condition and after infiltration of water with a contrast agent. The sample was scanned in 150 adjacent slices in both cases. The three-dimensional macropore network was determined from the 150 CT images scanned before infiltration. The water distribution in the soil was determined from the CT images after completion of the infiltration experiment. The three-dimensional water content distribution in the three-dimensional macropore network was quantified and visualized by matching the dry and wet images. The three-dimensional water content distribution in the matrix was also quantified and visualized.
Published Version
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