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Founded in 1904 and headquartered in Farmington Hills, Michigan, USA, the American Concrete Institute is a leading authority and resource worldwide for the development, dissemination, and adoption of its consensus-based standards, technical resources, educational programs, and proven expertise for individuals and organizations involved in concrete design, construction, and materials, who share a commitment to pursuing the best use of concrete.
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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: Modeling of Shear Behavior in Reinforced Concrete Beams
Author(s): Dario Coronelli and Maria Gabriella Mulas
Publication: Structural Journal
Appears on pages(s): 372-382
Keywords: beam; cracking; reinforced concrete; shear
Abstract:The purpose of this paper is to develop a reliable two-dimensional (2D) finite element (FE) modeling approach for the nonlinear behavior of reinforced concrete (RC) shear-critical elements. The proper kinematic field is achieved by using different finite elements for the concrete, steel, and the steel-concrete interface; separate constitutive models are formulated for each type of material. A modification of the 2D strength envelope of concrete in plane stress is proposed to consider the effects of triaxial-axial stress conditions in beams with small shear span-to-depth ratio. This approach allows successful comparison with experimental results on RC beams for a significant range of design parameters, load conditions, and reinforcement arrangements. Finally, a critical review of several modeling approaches in the literature is carried out.
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