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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: M-f-P Diagrams for Concrete Sections Under Biaxial Flexure and Axial Compression
Author(s): Gary R. Consolazio, Johnny Fung, and Marcus Ansley
Publication: Structural Journal
Appears on pages(s): 114-123
Keywords: fiber-reinforced polymer; moment; prestress
Abstract:A numerical procedure is presented for computing moment-curvature diagrams for concrete sections subjected to simultaneous biaxial bending and axial compression. The effects of reinforcing steel, prestressing tendons, and externally bonded FRP composites are included in the numerical model. By using efficient section discretization and stress-surface integration procedures, completely arbitrary cross-sectional shapes can be handled, including sections with internal voids. Innovative numerical techniques are used to determine the position and orientation of the neutral axis that produce both the prescribed axial compressive load acting on the section and a resultant moment that is assured to act at a prescribed orientation angle. Moment-curvature diagrams for several validation and example sections are computed using the proposed procedure and are compared with data published in the literature.
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