Thermal stabilization of permafrost soils: technologies and equipment

Abstract

Thermal stabilization of permafrost soils: technologies and equipment

Ermilova N.Yu., Zhuravlev A.V., Tjan V.Yu.

Incoming article date: 16.04.2021

The article shows the current problems associated with the development of the northern part of Russia. Large deposits of ore minerals and hydrocarbons are located in the northern regions. The severe climatic conditions of these regions and the difficulties of construction on permafrost soils are noted. Special attention is paid to the relevance of the issue of soil stabilization. The analysis of the degradation of permafrost soils is carried out on the basis of statistical data on the change in the average annual temperature recorded by the Salekhard weather station. It is concluded that when the thawed base is planted, the destruction of structures and man-made disasters are possible. The methods of ensuring a stable frozen state of soils during seasonal thawing are considered. The types and classification of seasonally operating cooling devices are presented. The principle of operation of the presented devices, the scope of application of each type of seasonally operating cooling devices is given.

Keywords: soil, heat stabilizer, heat carrier, cryolithozone, foundation, foundation, bridge construction, monitoring, condensation, freon, expanded polystyrene