It is offered and theoretically proved the constructive solution of ensuring thermal stability of the artificial constructions, consisting in the thermal diode building: inner layer from a water-saturated and water-retaining material in ground construction on the surface of the frozen soil basis. Two ways of thermal stability assessment of artificial constructions are considered and analyzed: in the time of their own operation and after the putting into operation the thermal diode. The offered ways of an assessment also give the chance to predict thermal stability of considered constructions. The received results are opportune for applying in need of lying of pipelines, construction of highways and other constructions in cold regions of the world.
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