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Evaluation of coupled heat and moisture flow parameters in a bentonite-sand buffer material
Authors:Raymond N Yong and Abdel-Mohsen O Mohamed
Institution:

aGeotechnical Research Centre, Department of Civil Engineering and Applied Mechanics, McGill University, 817 Sherbrooke St. West, Montreal, Quebec H3A 2K6,Canada

Abstract:Several series of one-dimensional tests were used to study the nature of transient heat and moisture movements in a clay buffer under different imposed temperature gradients. The measured temperature and moisture profiles were used to calculate the diffusion parameters governing heat and moisture movement in the buffer material. The experimentally determined diffusion parameters are shown to be dependent on the moisture content and temperature. The diffusion parameters were calculated by using an identification technique, the root-time method, and an analytical technique.
Keywords:
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