Towards a harmonised European bond test

J. Cairns, G. A. Plizzari

    Research output: Contribution to journalArticle

    51 Citations (Scopus)

    Abstract

    Bond influences several aspects of structural performance. Standard methods of bond test currently specified were developed over 30 years ago. During this rime understanding of the phenomenon of bond between reinforcement and concrete and of the factors which influence it has expanded greatly. An overview of the current knowledge and needs demonstrates that a reappraisal of standard bond tests is now necessary. The paper outlines the principals that should underpin a bond test specification derived from considerations of the manner in which bond influences structural performance. It is demonstrated that a single measure of performance is inadequate, and develops proposals for a system of testing in which several measures can be used to classify each aspect of structural performance. A development length form of test with the bar in tension is selected, with low confinement from concrete cover and transverse reinforcement. The proposal is developed to a conceptual stage in the present paper. Following consultation with interested parties, the Authors propose to develop a detailed specification.

    Original languageEnglish
    Pages (from-to)498-506
    Number of pages9
    JournalMaterials and Structures/Materiaux et Constructions
    Volume36
    Issue number262
    DOIs
    Publication statusPublished - Oct 2003

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