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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: FRP Application in Underwater Repair of Corroded Piles
Author(s): R. Sen, G. Mullins, K. Suh, and D. Winters
Publication: Special Publication
Appears on pages(s): 1139-1156
Keywords: corrosion; FRP; instrumentation; piles; repair; underwater
Abstract:The poor durability of conventional corrosion repairs has led to increasedinterest for its replacement by fiber reinforced polymers (FRP). Over the past decade,several highway agencies completed demonstration projects in which FRP was used torepair corrosion damage on surfaces that were dry. These repairs have held up well andshow little sign of deterioration. The availability of resins that can cure in water hasmade it possible to explore the application of FRP for the underwater repair ofcorrosion-damaged piles. This paper presents findings from three demonstrationprojects in which corroding reinforced and prestressed piles at two contrastinglocations were repaired using two different FRP systems. Several piles wereinstrumented to allow long-term corrosion monitoring. The projects confirm thefeasibility of conducting underwater FRP repairs in tidal waters. Preliminary datasuggests that the wrap leads to a reduction in the prevailing corrosion rate.
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