STRUCTURE FOR STABILISATION OF ROAD BED AND ACTIVE LAYER OF OPERATED MOTOR ROAD Russian patent published in 2016 - IPC E02D17/18 

FIELD: construction.

SUBSTANCE: motor road on permafrost soil contains a road bed, with cross strips from a synthetic material laid in the back of a ballast bed, fitted with longitudinal strips from a waterproof synthetic material in the basement of the road structure. From the side of a weak base in the slope part of the road bed two soil rollers from mineral nonfrost-susceptible loosely frozen soil are created which are margined with a reinforcing geosynthetic material placed in the basement of the underslope part of the motor road and the part of the slope of the road bed forming two semi-holders with fixing of bottom edges in the soil mass using a horizontal anchor rod inserted into the loop formed by the bottom edge of the reinforcing geosynthetic material, and anchor pipes which are vertically installed with a step along the horizontal anchor in the soil located below the trench bottom, fitted with a metal hook for connecting with the horizontal anchor rod by piercing of the bottom edge of the geosynthetic material above the horizontal anchor rod.

EFFECT: improvement of the road bed stability, reduction of vertical and horizontal deformations of the road paving, road bed and soil of the base, exception of the formation of longitudinal and cross cracks, sags and waves on the paving of the carriageway and roadsides.

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