FIELD: civil engineering. SUBSTANCE: ground bed for road and pipelines breaking in permafrost area has main road embankment, additional embankment adjoining to that with pipelines and thermal insulating shield located in that. The shield is placed between the main and additional embankments and below foot of the ground bed. EFFECT: increased operation reliability of the road at the expense of elimination of warning up permafrost soil in road base. 5 dwg
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