ROAD EMBANKMENT MADE ON PERMAFROST GROUND Russian patent published in 2006 - IPC E02D17/18 

FIELD: building, particularly to construct road embankments on permafrost ground.

SUBSTANCE: road embankment comprises embankment body composed of two stacked layers and ballast prism arranged on base platform. Each layer is formed as trapeze with larger base facing downwards. Lower base of upper layer trapeze has dimension c equal to that of upper base of lower layer trapeze. Lower base of upper layer trapeze mates upper base of lower layer trapeze. Upper layer has side slope less than that of lower layer. Main embankment parameters are determined from corresponding relations.

EFFECT: provision of embankment stability due to permafrost temperature reduction in embankment base.

2 cl, 1 dwg