SHEAR BEHAVIOUR OF HIGH STRENGTH FIBER REINFORCED CONCRETE CORBELS

  • Ahmed M
  • Diab H
  • Drar A
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Abstract

An experimental study of shear behaviour of high strength reinforced-concrete corbels with and without fibers was investigated. Seventeen high strength reinforced-concrete corbels were tested. The test variables were steel fiber content (Vf%), shear span-to-depth ratio (a/d), concrete strength (fcu), area of main steel reinforcement (Asm) and presence of horizontal stirrups. Test results showed that, addition of steel fibers or/and horizontal stirrups improves both shear strength and ductility of the tested corbels, and results in a more ductile failure mode. Test results were compared with shear strength predicted using ACI 38-08 equations and those proposed by other investigators. Comparison between the experimental and the predicted values of shear strengths showed that the model proposed by G. Campione et.al. [1], satisfactory predicted the ultimate load for high strength fiber reinforced-concrete corbels. NOTATION a/d shear span-to-depth ratio f cu cube compressive strength (N/mm 2) A sh area of horizontal stirrups (mm 2) V f % steel fibers content A sm area of main steel reinforcement (mm 2)

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APA

Ahmed, M. M., Diab, H., & Drar, A. A. M. (2012). SHEAR BEHAVIOUR OF HIGH STRENGTH FIBER REINFORCED CONCRETE CORBELS. JES. Journal of Engineering Sciences, 40(4), 969–987. https://doi.org/10.21608/jesaun.2012.114468

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