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Home > Publications > International Concrete Abstracts Portal
The International Concrete Abstracts Portal is an ACI led collaboration with leading technical organizations from within the international concrete industry and offers the most comprehensive collection of published concrete abstracts.
Title: State-of-the-Art Elastomeric Bridge Bearing Design
Author(s): Charles W. Roeder and John F. Stanton
Publication: Structural Journal
Appears on pages(s): 31-41
Keywords: bearings; bridge bearings; bridges (structures); neoprene; reviews; rubber; structural design; Design
Abstract:Summarizes the recent research developments and proposed design provisions for elastomeric bridge bearings and correlates them to earlier design methods. Proposed provisions for controlling fatigue, delamination, yield and rupture of reinforcement, stability, and excessive rotation are summarized. Quality control measures needed to sustain these proposed provisions are reviewed, and the effect of low-temperature stiffness on bearing performance is briefly noted. The paper shows that these proposed provisions will result in significant increases on the load capacity and height limitations for elastomeric bridge bearings, and that these increased limits will allow elastomeric bearings to accommodate much larger movements and rotations, resulting in the transmission of smaller forces between the bridge substructure and superstructure. This may afford more economical bridge design because of decreased forces in the foundations and support systems and may yield savings due to fewer problems in maintenance and construction. The provisions may also permit the use of elastomeric bearings in place of more expensive, and sometimes more troublesome, bearing systems.
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