EMBANKMENT ON FROZEN SOIL Russian patent published in 2009 - IPC E01C3/06 E02D17/18 

FIELD: construction.

SUBSTANCE: embankment on frozen soil includes base with placed thereon technological layers of soil, divided by width with soil longitudinal lines. According to the invention, in the base of the embankment there are cross slots filled up with frost-free material. Top of the base is covered with waterproofing material, with placed thereon heat insulation layer in the shape of non-isosceles triangle with the corner offset towards the lateral side of the embankment in the direction of solar radiation; heat insulating layer is covered with waterproof casing with arranged there at the width of the embankment longitudinal soil lines, whereat along the lateral slopes of the internal soil line there are placed filtrating cloths meeting with lower part of waterproof casing and separating it from lateral soil longitudinal lines.

EFFECT: prevention of water saturation and soil fluidisation at ice thawing, during its operation, securing enhanced strength of earth bed due to reinforcement of its separate zones.

6 cl, 2 dwg