Ultimate strength of lapped joints of epoxy-coated reinforcement

J. Cairns, R. Abdullah

    Research output: Contribution to journalArticlepeer-review

    6 Citations (Scopus)


    Fusion-bonded epoxy-coated reinforcement (FBECR) is specified to improve resistance of concrete structures to reinforcement corrosion. However, bond strength is reduced by the smooth surface of the epoxy coating. In this paper, comparisons of performance of epoxy-coated and non-coated bars are being assessed under respective least favorable conditions of service for each type of bar. It is demonstrated that the benefit to bond strength of extra cover offsets the reduction due to smoother surface characteristics of an epoxy coating. Results from seven research studies of strength of lapped joints of epoxy coated reinforcement shows existing values of design bond strength for ribbed bars in BS 8110 are likely to provide a satisfactory margin of safety.

    Original languageEnglish
    Pages (from-to)391-400
    Number of pages10
    JournalProceedings of the ICE - Structures and Buildings
    Issue number4
    Publication statusPublished - Nov 1994


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