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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: Flexural and Shear Behavior of Prestressed Concrete Beams Using FRP Rods as Prestressing Tendons
Author(s): Asuo Yonekura, El-Ichi Tazawa, and Hideaki Nakayama,
Publication: Special Publication
Appears on pages(s): 525-548
Keywords: beams (supports); carbon; deflection; fiber reinforced concretes; fibers; flexural strength; modulus of elasticity; prestressed concrete; prestressing steels; shear strength; tensile strength; Structural Research
Abstract:Flexural and shear behavior of prestressed concrete (PC) beams using carbon or aramid fiber reinforced plastics (CFRP or AFRP) rods are investigated experimentally and compared with those using prestressing steel bars. Since moduli of elasticity of AFRP and CFRP are about 1/4 and 2/3 that of prestressing steel bars, respectively, the deflection of beams using FRP rods is larger and ultimate flexural and shear strengths of beams are smaller than those of PC beams using prestressing steel bars with similar tensile strength of tendons and web reinforcement. The ultimate flexural and shear strengths and deflection of PC beams using FRP rods are improved by an increase of prestress in beams. 229-493
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