Column‐Load Effect on Reinforced Concrete Corbels
Publication: Journal of Structural Engineering
Volume 116, Issue 1
Abstract
The paper reports tests carried out on 18 concrete corbels reinforced with main bars and steel fibers. The fibers are used as a secondary (shear) reinforcement. The volumes of main and fibrous reinforcements and the shear span‐to‐depth ratio are varied. A concentric load is applied on the column segment of eight specimens. Also, unequal loads are applied on the corbel segments of four of the double corbel specimens. Test results appear to indicate that neither column load nor unequal corbel loads have any significant effect on the strengths of different corbels. Also, the addition of steel fibers improves both strength and ductility of the corbels.
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References
1.
Burnett, E. F. P., and Trenberth, R. J. (1972). “Column load influence on reinforced concrete beam‐column connection.” J. Amer. Concr. Inst., 69(2), 101–109.
2.
Fattuhi, N. I. (1986). “Corbels with shear reinforcement in the form of stirrups or fibers.” Proc., RILEM Symp. on Developments in Fibre Reinforced Cement and Concr., 2(8.8), Univ. of Sheffield, Sheffield, U.K., 1–5.
3.
Fattuhi, N. I. (1987). “SFRC corbel tests.” J. Amer. Concr. Inst., 84(2), 119–123.
4.
Hermansen, B. R., and Cowan, J. (1974). “Modified shear‐friction theory for bracket design.” J. Amer. Concr. Inst., 71(2), 55–60.
5.
Kriz, L. B., and Raths, C. H. (1965). “Connections in precast concrete structures—Strength of corbels.” J. Prestressed Concr. Inst., 10(1), 16–61.
6.
Lee, D. W. (1974). Discussion of “Modified shear friction theory for bracket design.” by B. R. Hermansen and J. Cowan, J. Amer. Concr. Inst., 71(8), 420–421.
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Copyright © 1990 ASCE.
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Published online: Jan 1, 1990
Published in print: Jan 1990
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