FIELD: building, particularly pile foundation and foundation posts building in permafrost grounds.
SUBSTANCE: method involves introducing open-type steam heater; performing ground defrosting; injecting stabilizing solution into ground. Defrosting is carried out in area of V volume divided into active sub-area of Va volume and reactive sub-area of Vr volume. Defrosting process is divided into partly defrosted stage of 
duration, and settling stage of 
duration. Active and reactive areas are composed of several parts of d thickness alternating along defrosting area height or width. Above parameters are determined from given equations.
EFFECT: reduced time of necessary ground temperature reaching before stabilizing solution injection, reduced total volume of defrosted ground.
8 dwg
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