ROAD SURFACE STRUCTURE Russian patent published in 2014 - IPC E01C3/04 

FIELD: construction.

SUBSTANCE: road surface structure includes a base from overconsolidated soil with consolidation coefficient Cc=1.02-1.03, in the cross section made in the form of a trapezoid, the lower side of which is equal to the width of the traffic area, and the upper side is made narrower than the traffic area width by 20-25 cm at each side, with arrangement of a support layer from compacted crushed stone of triangular shape with a top located near the base of the trapezoid, and a double-layer coating from asphalt concrete, made along the entire width of the traffic area of the motor road. At the same time the width of the support layer in the upper part at each side of the base is 20-25 cm.

EFFECT: increased strength of a traffic area of a motor road due to reduced stresses from applied load in the area of transition from a stronger site of a road structure to a less strong site.

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