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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: Limit States of Cracking and Ultimate Strength of Arbitrary
Concrete Sections Under Biaxial Loading
Author(s): M. Kawakami, H. Tokuda, M. Kagaya, and M. Hirata
Publication: Journal Proceedings
Appears on pages(s): 203-212
Keywords: axial loads; beams (supports); bending; biaxial loads; cracking(fracturing); microcomputers; prestressed concrete; strength; stress-strain rela-tionships.
Abstract:This paper describes a theoretical and experimental study on limit states of cracking and ultimate strength of arbitrary reinforced and prestressed concrete sections subjected to biaxial loading. Applying this theory to practical structures, an arbitrary concrete section is analyzed and the stress-strain relationships for concrete, reinforcing steel, and prestressing steel are the combination of a second degree parabola and a trapezoid shape, perfect elastic-plastic, and trilinear, respectively. A prestressed concrete beam test was carried out to confirm the analyzed results. From this study, by giving dimensions of the cross section and physical characteristics of the concrete and steel used, limit states of cracking and ultimate strength can be easily and accurately obtained.
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