Ahmed, M., Diab, H., Drar, A. (2012). SHEAR BEHAVIOUR OF HIGH STRENGTH FIBER REINFORCED CONCRETE CORBELS. JES. Journal of Engineering Sciences, 40(No 4), 969-987. doi: 10.21608/jesaun.2012.114468
Mohamed M. Ahmed; Hesham Diab; Ahmed Attia M. Drar. "SHEAR BEHAVIOUR OF HIGH STRENGTH FIBER REINFORCED CONCRETE CORBELS". JES. Journal of Engineering Sciences, 40, No 4, 2012, 969-987. doi: 10.21608/jesaun.2012.114468
Ahmed, M., Diab, H., Drar, A. (2012). 'SHEAR BEHAVIOUR OF HIGH STRENGTH FIBER REINFORCED CONCRETE CORBELS', JES. Journal of Engineering Sciences, 40(No 4), pp. 969-987. doi: 10.21608/jesaun.2012.114468
Ahmed, M., Diab, H., Drar, A. SHEAR BEHAVIOUR OF HIGH STRENGTH FIBER REINFORCED CONCRETE CORBELS. JES. Journal of Engineering Sciences, 2012; 40(No 4): 969-987. doi: 10.21608/jesaun.2012.114468
SHEAR BEHAVIOUR OF HIGH STRENGTH FIBER REINFORCED CONCRETE CORBELS
1Associate professor, Civil Engineering Department, Assiut University
2Lecturer, Civil Engineering Department, Assiut University
3Demonstrator, Civil Engineering Department, Sohag University
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.
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