Apparatus and method for stabilizing an earthen embankment

E - Fixed Constructions – 02 – D

Patent

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E02D 29/02 (2006.01)

Patent

CA 2516683

A structure for stabilizing an earthen embankment comprises an embankment support for restraining movement of at least a part of the embankment, a flexible fiber geogrid (5) extending longitudinally through the embankment from a first end portion secured to the support to a second end portion, and anchor means (55, 60, 11) for securing one of the end portions. The anchor means comprises a pair of anchor rods (55, 60) extending transversely in relation to the geogrid, and means (11) for limiting movement of the anchor rods. The end portion secured by the anchor means is wrapped back and forth around the anchor rods so as to tighten thereon when the geogrid is pulled in longitudinal tension away from the anchor means. A method of anchoring a flexible fiber geogrid to a support utilizing such anchor rods is also disclosed.

L'invention concerne une structure servant à stabiliser une digue en terre. Cette structure comprend un support de digue destiné à limiter le déplacement d'au moins une partie de la digue, une géogrille flexible (5) à base de fibres s'étendant longitudinalement à travers la digue d'une première extrémité fixée au support à une seconde extrémité, ainsi que des moyens d'ancrage (55, 60, 11) pour fixer une des extrémités. Ces moyens d'ancrage comprennent une paire de barres d'ancrage (55, 60) s'étendant perpendiculairement à la géogrille, ainsi qu'un moyen (11) destiné à limiter le déplacement de ces barres d'ancrage. L'extrémité fixée à l'aide des moyens d'ancrage passe autour des barres d'ancrage de façon à être tendue sur celles-ci lorsque la géogrille est tirée longitudinalement dans la direction opposée aux moyens d'ancrage. L'invention concerne également un procédé pour ancrer une géogrille flexible à base de fibres à un support au moyen de barres d'ancrage de ce type.

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