Stabilisation system for soil slopes

E - Fixed Constructions – 02 – D

Patent

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Details

E02D 17/20 (2006.01) E02D 17/00 (2006.01)

Patent

CA 2600348

A method of stabilising slopes of a soil embankment is provided using a stabilisation system for slopes having generally less than 45 degrees of inclination from horizontal. The system comprises a plurality of soil nails which are penetrated into the siopes to provide internal soil stability and a biotechnical facing on a surface of the slope to inhibit surface erosion and shallow failure of the slope. A geosynthetic layer comprising a mat, mesh or fibrous material is laid across the slope adjacent the surface to assist in establishing vegetation thereon. A retaining wall structure is preferably mounted on the crest of the slope to extend transversely to the slope. The retaining wall structure at the crest provides a stable base for supporting the embankment shoulder.

La présente invention porte sur la stabilisation des talus de remblais au moyen d'un ouvrage de stabilisation des talus présentant en général moins de 45 degrés d'inclinaison par rapport à l`horizontale. Cet ouvrage comprend de multiples crampons de sol enfoncés dans les talus pour assurer la stabilité interne du sol, et un parement biotechnique à la surface du talus pour inhiber l'érosion superficielle et la dégradation superficielle du talus. Une couche géosynthétique comprenant une matière en mat, maillée ou fibreuse est posée à travers le talus contigu à la surface pour favoriser l'établissement de la végétation. Une structure de mur de retenue et installée de préférence sur la crête du talus pour s'étendre transversalement sur le talus. La structure du mur de retenue sur la crête fournit une base stable pour supporter l'épaulement du remblais.

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