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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: Experimental Studies of Mechanically-Fastened FRO Systems: State-of-the-Art
Author(s): Vicki L. Brown, Lawrence C. Bank, Dushyant Arora, David T. Borowicz, Ahmed Godat, Anthony J. Lamanna, Jaeha Lee, Fabio Matta, Annalisa Napoli, and Kiang Hwee Tan
Publication: Special Publication
Appears on pages(s): 1-22
Keywords: Concrete beams; Fiber reinforced polymers; Flexural strengthening
Abstract:A method for strengthening reinforced concrete members using mechanically-fastened FRP (MF-FRP) has been studied in laboratory investigations and in several bridge strengthening demonstration projects. The strengthening is obtained by attaching FRP strips, with high bearing and longitudinal strengths, to concrete elements using steel power actuated fastening “pins” (PAFs), steel anchor bolts or concrete screws, or a combination thereof. The MF-FRP method requires minimal surface preparation and permits immediate use of the strengthened structure. Published research on this method with a range of member sizes has shown promising results in terms of installation efficiency, level of strengthening achieved, and preventing strip delamination before concrete crushing. This State-of-the-Art paper presents an overview of work conducted over the last 10 years on experimental aspects of the MF-FRP method, with beams as well as one-way and two-way slabs. A database of collected test results for MF-FRP strengthened beams and one-way slabs is presented.
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