FIELD: construction.
SUBSTANCE: method comprises trenching, laying pipeline in the trench, covering the pipeline with a material for reducing the friction of pipeline, and filling the trench with soil. The covering is made of flexible porous material preliminary impregnated with carbamide-formaldehyde resin. The space is provided between the outer surface of the pipeline and inner surface of the trench.
EFFECT: enhanced reliability.
4 cl, 1 dwg
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