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Strengthening of concrete prisms using the plate-bonding technique

Nonlinear fracture mechanics derivations applied to plates of steel or carbon fibre, bonded to concrete and loaded in shear

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Abstract

This paper presents the use of fracture mechanics for the plate bonding technique. Plates of steel or carbon-fibre reinforced plastic are bonded with an epoxy adhesive to rectangular concrete prisms and loaded in shear up to failure, what is normally known in fracture mechanics as mode II failure. In this special application a linear and a nonlinear approach are presented. The nonlinear equation derived for a realistic shear-deformation curve can only be used for numerical calculations. However, for simplified shear-deformation curves, the derived formula can be solved analytically. Results from tests, which are compared with the theory, are also presented.

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Authors and Affiliations

  1. Division of Structural Engineering, Department of Civil Engineering, Lule» University of Technology, S-971 87, Lule», Sweden

    Björn Täljsten

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  1. Björn Täljsten
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Täljsten, B. Strengthening of concrete prisms using the plate-bonding technique. Int J Fract 82, 253–266 (1996). https://doi.org/10.1007/BF00013161

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  • DOI: https://doi.org/10.1007/BF00013161

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