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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: Punching Shear in Post-Tensioned Flat Slabs with Stud Rail Shear Reinforcement
Author(s): Alessandra L. Carvalho, Guilherme S. Melo, Ronaldo B. Gomes, and Paul E. Regan
Publication: Structural Journal
Appears on pages(s): 523-531
Keywords: post-tensioned concrete; punching shear; shear reinforcement; unbonded tendons
Abstract:This paper describes an experimental study of the punching resistance of unbonded post-tensioned slabs with shear reinforcement. Seventeen slabs 200 mm (7.87 in.) thick and 3.0 m (9.84 ft) square were loaded at their centers and simply supported near their edges. Fifteen contained shear reinforcement in the form of stud rails and the principal variables in the series were those of the shear reinforcement. The behavior of the slabs and the strains of the shear reinforcement are described in some detail. The treatment of ultimate strength is limited to showing the effects of the principal variables of the shear reinforcement.
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