Steel yielding guardrail support post

E - Fixed Constructions – 01 – F

Patent

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Details

E01F 15/14 (2006.01) E01F 9/018 (2006.01) E01F 15/04 (2006.01)

Patent

CA 2465278

A guardrail support post includes a continuous structural member having a top edge, a bottom edge, and a generally uniform cross section from the top edge to the bottom edge. The structural member includes frist and second generally parallel flanges, and a web forming a coupling between, and extending generally perpendicular to the first and second flanges. The structural member includes a lower portion for installing below grade adjacent a roadway, and an upper portion configured to be coupled with a guardrail beam. A mid portion of the structural member is disposed between the upper portion and the lower portion. In accordance with a particular embodiment of the present invention, the first and second flanges include first and second cutouts, respectively, that occur within the mid portion. The cotouts are operable to weaken the structural member about an axis generally perpendicular to the flanges without substantially weakening the structural member about an axis generally parallel to the flanges.

Poteau de support pour glissière de sécurité qui comporte un élément structural continu doté d'une arête supérieure, d'une arête inférieure et d'une section transversale généralement uniforme de l'arête supérieure à l'arête inférieure. Ledit élément structural comporte des première et seconde brides généralement parallèles raccordées par une âme à extension généralement perpendiculaire aux première et seconde brides. L'élément structural possède une partie inférieure destinée à être installée au-dessous du niveau du sol à proximité d'une chaussée et une partie supérieure configurée pour être rattachée à un bandeau de glissière de sécurité. Une partie médiane de l'élément structural se trouve entre la partie supérieure et la partie inférieure. Selon un mode de réalisation particulier de la présente invention, les première et seconde brides comportent respectivement des première et seconde découpes qui se trouvent dans la partie médiane. Lesdites découpes servent à affaiblir l'élément structural autour d'un axe généralement perpendiculaire aux brides sans affaiblir considérablement l'élément structural autour d'un axe généralement parallèle aux brides.

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