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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: Reinforced Concrete Cap Beam Strengthening Using Fiber Reinforced Polymer Composites
Author(s): J. O’Connor, H. Hoyos, A. Yannotti, S. Alampalli, and K. Luu
Publication: Special Publication
Appears on pages(s): 481-490
Keywords: bridge repair; composites; concrete repair; concrete strengthening; fiber; polymers; reinforcement
Abstract:The New York State Department of Transportation is evaluating the use of innovative materials for bridge repair. One application being investigated is the strengthening of cracked reinforced concrete cap beams using fiber reinforced polymer (FRP) composites. In-house maintenance crews repaired two piers with FRP as part of a demonstration project with industrial partners to evaluate the benefits. One of two repair systems used is described in detail and is evaluated in terms of additional strength gained, cost-effectiveness, ease and speed of installation, impact on traffic flow during the repair, and long term durability. For comparison, data from a past project that employed conventional repair techniques are provided. This paper describes the project scope, subsequent repairs using FRP, and long term plans for monitoring.
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