Guardrail beam with enhanced stability

E - Fixed Constructions – 01 – F

Patent

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Details

E01F 15/04 (2006.01)

Patent

CA 2363093

A guardrail beam (34) for installation along a roadway includes a top edge (42) and a bottom edge (44). A plurality of crowns (46, 48) may be disposed longitudinally along the guardrail beam between the top edge (42) and the bottom edge (44). A first fold (52) may be disposed upon the top edge (42) and a second fold (54) may be disposed upon the bottom edge (44). In a particular embodiment, one or more fluted beads (50) may be disposed longitudinally along at least one crown. The guardrail beam may also include hemmed portions (56, 58) at the top edge and/or bottom edge at the downstream ends of the guardrail beam.

L'invention concerne un glissière (34) de sécurité destinée à être installée en bordure de chaussée, comprenant un bord supérieur (42) et un bord inférieur (44). Une pluralité d'éléments bombés (46, 48) peuvent être disposés longitudinalement le long de la glissière de sécurité entre le bord supérieur (42) et le bord inférieur (44). Un premier repli (52) peut être disposé sur le bord supérieur (42) et un second repli (54) peut être disposé sur le bord inférieur (44). Dans un mode de réalisation particulier, une ou plusieurs rampes cannelées (50) peuvent être disposées longitudinalement le long d'un élément bombé au moins. La glissière de sécurité peut également comporter des parties ourlées (56, 58) sur son bord supérieur et/ou inférieur au niveau des extrémités aval de la glissière de sécurité.

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