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Shear Strength of Prestressed Concrete T-Beams with Steel Fibers Over Partial/Full Depth

Thomas, Job and Ramaswamy, Ananth (2006) Shear Strength of Prestressed Concrete T-Beams with Steel Fibers Over Partial/Full Depth. In: Structural Journal, 103 (3). pp. 427-435.

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Abstract

The test results of nine shear-critical partially prestressed concrete flanged beams with and without steel fibers are presented in this paper. T-beam specimens were cast with three grades of concrete: normal strength (35 MPa [5.07 ksi]), moderately high strength (65 MPa [9.42 ksi]), and high strength (85 MPa [12.32 ksi]). For each grade of concrete, three beams were cast: a control beam without fiber reinforcement, a beam with fiber reinforcement over the full depth of the cross section, and a beam with fiber reinforcement only in the web portion. Test results indicated that the provision of fiber reinforcement only in the web portion appreciably improved the shear-resisting capacity of the partially prestressed) beams. A model to predict the shear strength of prestressed and reinforced (nonprestressed) concrete beams has been proposed. The proposed model is expected to predict the test results of reinforced concrete beams having steel fibers over partial and full depth.

Item Type: Journal Article
Additional Information: Copyright of this article belongs to American Concrete Institute.
Department/Centre: Division of Mechanical Sciences > Civil Engineering
Date Deposited: 17 May 2006
Last Modified: 27 Aug 2008 11:59
URI: http://eprints.iisc.ernet.in/id/eprint/6704

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