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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-Transfer Strength of Reinforced Concrete
Author(s): Khaldoun N. Rahal
Publication: Structural Journal
Appears on pages(s): 419-426
Keywords: composite beams; reinforced concrete; shear-friction; shear transfer; strength
Abstract:A recently developed model for the calculation of shear strength in reinforced concrete membrane elements subjected to in-plane stresses and in beams subjected to shear and torsion is applied to the shear-transfer problem. The modeling is different from the commonly used shear-friction concept, and relates the strength at a shear interface to the state of stress in a membrane element along this interface. The shear strength is hence related not only to the concrete strength and clamping steel, but also to the steel parallel to the shear-transfer plane. The calculations of the simple model are compared to the experimental results from 114 normalweight pushoff specimens and 15 composite beams available in the literature and are found to be in very good agreement. The model is also used to derive the empirically based coefficients of existing methods that relate the shear-transfer strength to the square root of the clamping stress.
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