Theoretical Prediction of Shear Strength and Failure Mode of Reinforced Concrete Beams

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Title: Theoretical Prediction of Shear Strength and Failure Mode of Reinforced Concrete Beams

Author(s): Fumio Watanabe and Jung-Yoon Lee

Publication: Structural Journal

Volume: 95

Issue: 6

Appears on pages(s): 749-757

Keywords: aggregate interlock; beams; deformation; reinforced concrete; shear strength

DOI: 10.14359/588

Date: 11/1/1998

Abstract:
An incremental analytical method capable of tracing the response of beams to shear is proposed. The model is based on the truss mechanism. The compatibility of strains and the equilibrium of stresses of the cracked concrete and shear reinforcement are applied to the shear model using constitutive laws of materials, taking into account the effect of aggregate interlocking. This model is capable of predicting not only the shear strength, but also the shear failure mode by adopting an incremental analytical method. Calculated shear strength and failure mode from the analysis are compared with experimental results and are shown to be in good agreement.


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