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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: Shear Strength of Prestressed Concrete T-Beams with Steel Fibers Over Partial/Full Depth
Author(s): Job Thomas and Ananth Ramaswamy
Publication: Structural Journal
Appears on pages(s): 427-435
Keywords: fibers; prestress; shear; strength
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.
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