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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-Concrete Bond Behavior: A Parametric Study Through Pull-Off Testing
Author(s): B.M. McSweeney and M.M. Lopez
Publication: Special Publication
Appears on pages(s): 441-460
Keywords: bond behavior; bond modeling; CFRP; concrete; fiber-reinforced composite; pull-off test
Abstract:The sensitivity of the FRP-concrete bond failure load to changes ingeometric and material parameters is described, and initial comparisons to predictionsfrom existing bond models are made. To accomplish this, load and strain data from aseries of single-lap pull-off tests is analyzed, in which carbon fiber reinforced polymer(CFRP) strips of varying width, thickness, and bonded length were pulled from concreteblocks of varying concrete strength. It was found that the concrete compressivestrength had limited effects on the bond failure load, and longer bonded lengthsincreased the time up to failure load. Changes to the bonded width and FRP thicknesshad a significant impact on the bond failure load. Failure load predictions produced bythree studied bond models were found to be strongly influenced by the materialproperties used as input, and were occasionally insensitive to the parameters varied.
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