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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: Testing Protocol for Bonded CFRP Durability
Author(s): H. R. Hamilton, C. W. Dolan, J. E. Tanner, and E. P. Douglas
Publication: Special Publication
Appears on pages(s): 1-20
Keywords: CFRP, bond, reinforcement, concrete, testing, durability, moisture.
Abstract:This paper presents a test methodology that can be used to evaluate the durability of bonded CFRP systems used to repair and strengthen concrete beams. The test specimen is a 100 x 100 x 350 mm (4 in. x 4 in. x 14 in.) beam, tested in three-point bending (flexure) on a 300 mm (12 in.) span length. Two conditioning protocols are proposed depending on the anticipated exposure. For unprotected service conditions specimens are submerged in 60C (140F) water for 60 days. For protected service conditions, the specimens are exposed to 100% relative humidity at 60C (140F) for 60 days. Although the test method will not give a direct service life prediction, the testing presented in this paper indicate that the procedures were capable of differentiating a wide range of responses of deterioration of CFRP systems subjected to the test procedures.
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