Abstract
A new family of materials is available to address the issue of premature failure of reinforced concrete structures as a result of rusting of steel reinforcements. Composite reinforcing bars have been recognized by the American Concrete Institute as an acceptable alternative to steel and epoxy-coated steel rebars for use in reinforced concrete structures. An initial study was conducted to quantify stress limits for one class of composite rebars to assess their capability to provide 50 years of service. Stress-rupture testing was conducted to assess the combined effects of constant stress and a concrete environment on the life of pultruded composite rods. The results provide proof of concept that glass-fiber reinforced composite bars can provide long-term performance as a reinforcement system for concrete structures.
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Schedule a callMore From: Transportation Research Record: Journal of the Transportation Research Board
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