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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: Fatigue Characteristics of Reinforced Concrete in Water
Author(s): S. Nishibayashi, S. Inque ,and K. Yamura
Publication: Special Publication
Appears on pages(s): 543-562
Keywords: beams (supports); crack width and spacing; cyclic loads; deflection; failure mechanisms; fatigue (materials); fatigue tests; reinforced concrete; shear properties; underwater structures; web reinforcement; Materials Research
Abstract:Fatigue characteristics of concrete beams were determined under water and in air. Significant differences were observed in the fatigue strengths between the beams tested in water and those in air. The failure pattern of a reinforced concrete beam tested in water occurs as a shear failure but as flexural failure in air. At the same upper load level, the fatigue life of the beam with web reinforcement was approximately 100 times that of the beam without it. The flexural crack width of the specimen in water was lower than that exposed to air. At the same upper load level, however, the deflection and the rate of propagation of the diagonal crack were larger in air.
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