Bridge stabilization

E - Fixed Constructions – 01 – D

Patent

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Details

E01D 11/00 (2006.01) E01D 11/02 (2006.01) E01D 22/00 (2006.01)

Patent

CA 2256488

A bridge deck is supported by tensile supports and stabilized to reduce the overall aerodynamic lift on the deck by the addition of aerofoil stabilizers pivotally secured about respective axes generally longitudinal of the deck. The stabilizers are driven by a mechanism operable by angular movement between the deck and the tensile supports to articulate the stabilizers to a position which will generate a force in the presence of a cross wind, to reduce the overall aerodynamic lift on the deck.

Un tablier (10) de pont est soutenu par des supports de traction (11 et 12) et stabilisé pour réduire sa portance aérodynamique globale en ajoutant des stabilisateurs aérodynamiques (19 et 20) fixés pivotant autour d'axes respectifs (21), généralement longitudinaux par rapport au tablier (10). Ces stabilisateurs (19 et 20) sont commandés par un mécanisme (21 à 26), pouvant être mis en oeuvre par un déplacement angulaire entre le tablier (10) et les supports de traction (11 et 12), et qui fait pivoter les stabilisateurs (19 et 20) dans une position générant une force, en présence d'un vent latéral, pour réduire la portance aérodynamique globale du tablier (10).

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