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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: Rational Method for Calculating Deflection of Continuous FRP R/C Beams
Author(s): A. G. Razaqpur and O. B. Isgor
Publication: Special Publication
Appears on pages(s): 191-208
Keywords: continuous beams; deflections; FRP reinforced structures; serviceability
Abstract:A method is proposed for calculating the deflection of FRP reinforced concete structures based on the integration of moment-curvature relationship. The moment-curvature relationship is assumed to be essentially bilinear with slopes corresponding to the flexural rigidity of the gross and the cracked sections, respectively. The proposed method is used to obtain closed-form solutions for maximum deflection of continuous beams under three common types of loading. The predictions of this method are compared with available experimental data and with the corresponding redictd values by other available methods. The available methods use the concept of effective moment of inertia, similar to the ACI method for conventional reinforced concrete, or some modifications thereof. The predicted values by the proposed method compare better with the experimental results than the effective moment of inertia methods.
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