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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: Influence of Fiber Reinforcement on
the Dowel Resistance to Shear
Author(s): R. N. Swamy and H. M. Bahia
Publication: Journal Proceedings
Appears on pages(s): 327-356
Keywords: bond (concrete to reinforcement); cracking (fracturing);
fiber reinforced concretes; reinforced concrete; shear properties;
deformation; dowels; ductility.
Abstract:The dowel resistance of reinforced concrete beams depends on the tensile strength of the concrete and the bending resistance of tension steel. The presence of fiber reinforcement in concrete not only helps to control cracking and enhance the tensile strength and ductility of the composite but also increases the pullout resistance of tension reinforcement. Fiber reinforcement can then be used to advantage in normal reinforced concrete beams. Tests are reported to study the shear transfer through dowel action in fiber reinforced normal T-beams. It is shown that the presence of fiber reinforcement delays and controls dowel cracking, and thereby improves the stiffness and deformation characteristics of the dowel crack zone. The load at which the first crack forms and ultimate dowel strength are both found to increase almost linearly with the flexural strength of the composite.
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