Experimental validation of bracing recommendations for long-span concrete girders : final report.
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2012-12-01
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NTL Classification:NTL-HIGHWAY/ROAD TRANSPORTATION-Bridges and Structures;NTL-HIGHWAY/ROAD TRANSPORTATION-Design;NTL-SAFETY AND SECURITY-SAFETY AND SECURITY;
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Abstract:During bridge construction, flexible support conditions provided by steel-reinforced neoprene bearing pads supporting precast, prestressed concrete girders may allow the girders to become unstable, rolling about an axis parallel to the span of the girders. Additionally, skew and/or slope angles significantly reduce bearing pads roll stiffness, which reduces girder buckling capacity under gravity and wind loading conditions.
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