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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: Shear Tests of FRP-Reinforced Concrete Beams
Author(s): A. Koray Tureyen and Robert J. Frosch
Publication: Structural Journal
Appears on pages(s): 427-434
Keywords: reinforced concrete; shear; stirrup; strength
Abstract:To investigate the shear strength and behavior of concrete beams reinforced with fiber-reinforced polymer (FRP) bars, nine large-scale reinforced concrete beams without transverse reinforcement were tested. Three types of FRP reinforcement (two types of glass FRP and one type of aramid FRP) and two types of steel reinforcement with varying yield strengths were used in the investigation. The nominal concrete strength was 5000 psi (34.5 MPa), and the longitudinal reinforcement ratio was varied from approximately 0.36 to 2%. The specimens were simply supported and loaded with one concentrated load at midspan. The specimens were analyzed using both the ACI Committee 440 recommended shear design procedures and the ACI 318-99 shear design provisions. These results were compared with the test results. For FRP-bar-reinforced beams, the ACI 440 design method resulted in very conservative shear strength estimates, whereas the ACI 318-99 method resulted in unconservative computations of shear strength.
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