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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: Predicting the Response of Reinforced Concrete Beams Subjected to Shear Using the Modified Compression Field Theory
Author(s): Frank J. Vecchio and Michael P. Collins
Publication: Structural Journal
Appears on pages(s): 258-268
Keywords: axial loads; beams (supports); compression; moments; prestressed concrete; reinforced concrete; shear strength; tension; Structural Research
Abstract:The modified compression field theory, developed recently, provides a unified approach to the analysis of reinforced concrete elements under general in-plane stress conditions. The concept and formulations of this theory can be extended to enable the analysis of reinforced concrete beams loaded in combined shear, moment, and axial load. Predictions of ultimate load capacity and complete load-deformation response of beams can thus be obtained. An analytical model for the analysis of beams, based on the modified compression field theory, is described in the paper. A rigorous solution procedure is presented along with two alternative approximate procedures. Predictions of the model are compared with experimental results and are shown to predict behavior accurately. The capabilities of the model are also discussed in relation to currently available procedures.
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