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Abstract: This article summarizes thermal properties testing on granular salt that has been consolidated under a wide range of temperature, stress, and moisture conditions. Thermal property measurements were taken on four different sample groups: laboratory-consolidated granular salt using domal and bedded salt types, granular salt that was consolidated in situ, polycrystalline salt cores, and a single crystal of halite. Thermal conductivity was measured using a Hot Disk TPS 1500 with transient plane source method. Results show thermal conductivity of a single crystal of halite and granular salt decreased with an increase in temperature. Dilated salt was found to have a lower conductivity than consolidated salt at comparable porosities.

Reference: Rock Mechanics and Rock Engineering, 51(3): 911-923

DOI: 10.1007/s00603-017-1353-5