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  • Construction of transport infrastructure facilities in northern conditions: soils and foundations

    The article deals with measures to preserve the ground bases of structures in a frozen state. It is shown that the methods of soil screening are cheap and do not use special equipment. These methods use different types of insulation: natural and artificial. The existing technologies of the device of thermal insulation screens on highways and engineering structures are described. It is proposed to replace polyurethane foam with extruded polystyrene foam. These materials are described and their physical properties are compared. The technology of the device of the heat-insulating coating is given.

    Keywords: geoplites, expanded polystyrene, polyurethane foam, thermal insulation screen, foundations, permafrost soils, geotextiles,moss cover