Bond Strength of Fiber Reinforced Plastic Bars in Concreteby Saeed Daniali, Lamar Univ, United States,
Abstract: In this study, 27 beam specimens were tested to determine the bond strength of fiber reinforced plastic bars (FRP) in tension. The specimens were reinforced with #4, #6, or #8 FRP bars. The FRP bars were made of glass reinforcement and vinylester binder. The concrete strength ranged from 4000 psi to 4500 psi. All those specimens reinforced with #4 bars failed in tension. Only the specimens containing #6 bars with 24 inches embedment length could develop the full tensile strength of the #6 bar. All of the specimens reinforced with #8 bars failed due to bond.
Subject Headings: Bars (structure) | Fiber reinforced polymer | Fiber reinforced concrete | Ultimate strength | Bonding | Glass reinforced plastics | Tension members
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