FIELD: construction.
SUBSTANCE: method for erection of a pipeline in frozen and waterlogged soils consists in digging the main trench, installation of a pipeline and its filling in it and arrangement of parallel systems of water drainage. Above the main trench of the pipeline installation an earthfill is arranged, and along both sides from it a system of water depression is created by arrangement of two small parallel trenches with application of drainage polymer synthetic coatings (DPSC), which are used to cover the fill so that a directed water drain is formed from it towards parallel small trenches. When the pipeline is arranged at the angle to the slope of more than 20°, only one water depression trench is created with downward arrangement along the slope in parallel to the main one.
EFFECT: simplified and faster process of pipeline installation with provision of pipeline stability and elimination of main trench waterlogging.
4 cl, 2 dwg
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