Аннотация:This study presents the thermal diffusivity vs. water content curves for peat-sand mixtures measured using the unsteady-state method. Volumetric sand content was from 0% (pure peat) to 62% (pure sand). Peak values of thermal diffusivity were from 1.62×10-7 m2s-1 for pure peat to 14.28×10 7 m2s-1 for pure sand.