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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: Three-Dimensional Cyclic Analysis of Compressive Diagonal Shear Failure
Author(s): J. Oibolt and Y.-J. Li
Publication: Special Publication
Appears on pages(s): 61-80
Keywords: compressive shear failure; crack band; cyclic loading;
finite elements; microplane model; RC columns; smeared fracture
Abstract:This paper addresses a three-dimensional finite element analysis of compressive shear failure. Results are presented for the specific case of concrete column tested at the University of California, San Diego. The numerical analysis is carried out with the special purpose finite element code MASA (A FE code based on the microplane material model and smeared crack concept). The model of the reinforced concrete column is first loaded by a normal compressive force and is subsequently loaded by shear loads with monotonic and cyclic load histories. It is demonstrated that a three-dimensional, local continuum, finite element analysis based on the smeared crack concept is able to capture relatively complex diagonal shear failure mechanisms. Moreover, a parametric study is carried out which investigates the influence of the concrete fracture energy on the column response. Fracture energy was observed to significantly influence ductility, ultimate load capacity and resistance to the cyclic loading. Reasonably good agreement between the numerical and experimental results is shown.
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