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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: Simple Formulation of Biaxial Concrete Behavior
Author(s): Kurt H. Gerstle
Publication: Journal Proceedings
Appears on pages(s): 62-68
Keywords: concretes; octahedral stress;structural analysis; tests; triaxial stresses.stiffness; stress-strain relationships;structural analysis; tests; triaxial stresses.
Abstract:An octahedral representation of the m ultiaxial stress-strain relations for concrete assuming isotropic, nonlinear behavior is outlined in which concrete behavior is represented by variable tangent bulk and shear moduli. A simplified formulation of the volumetric and deviatoric relations is suggested for biaxial stress states, leading to linearly varying tangent moduli, depending only on readily available strength and stiffness characteristics of concrete. The results of several biaxial concrete test programs are used to verify the effectiveness of the suggested formulation, and it is concluded that its accuracy is commensurate with the reliability of available test data.
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