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At present, a large amount of experimental data has been accumulated on the thermo physical characteristics of soils at positive and negative temperatures. To generalize these data and to reduce the amount of experimental work carried out, it is necessary to systematize and expand the work on the calculation of thermal conductivity of soils. In this paper, a method for calculating thermal conductivity for fine soils in frozen and thawed states is proposed. The calculation models used include a shell model in combination with a model with interpenetrating components. An approximation of the dependence of volumetric heat capacity on temperature was experimentally obtained and the amount of unfrozen water was calculated to account for the temperature dependence of the thermal conductivity of fine soil.
Н et al. (Wed,) studied this question.