Abstract
Methods for ensuring the stability of geotechnical structures in the cryolithozone, as well as methods for controlling the temperature field of permafrost soils and methods for preparing the developed Arctic territory for the construction of structures for various purposes are presented. It is shown that in the design of structures using permafrost soils, the forecast of the calculated temperature of the cryolithozone at the base of the structure, as well as the depth of thawing, is of particular importance. It is postulated that all buildings have a thermal and mechanical effect on the permafrost that is their base. The object of research is the distribution of temperatures in the area of operation of cooling units (heat stabilizers). Numerical investigations of the temperature distribution with allowance for phase transitions in semi-limited soil are carried out. The analysis of the temperature field distribution models in the area of operation of seasonal cooling units with allowance for phase transitions by the enthalpy method for one and two cooling units is presented. The situation of joint cooling by thermal stabilizing installations of a geotechnical using Stefan’s problem enthalpy form has been studied.
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Sidnyaev, N.I., Stepanov, R.O. (2023). Analysis of Methods for Determining Temperature Distribution During Thermal Stabilizers Operation in Cryolithozone. In: Rybnov, E., Nikolaev, A., Skotarenko, O. (eds) Proceedings of ARCTD 2021. Lecture Notes in Civil Engineering, vol 206. Springer, Cham. https://doi.org/10.1007/978-3-030-99626-0_8
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