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Evaluation of concrete spall repairs by pullout test

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Abstract

Spalling concrete was simulated in the laboratory by utilizing pullout test methods generally used for the determination ofin situ concrete strength. The cracking patterns displayed by pullout test specimens typify the damage of concrete by spalling. All specimens were damaged by pullout testing, repaired with epoxy mortar and subjected to a second pullout test at a later time. The test programme showed that the overriding factor which governs successful repairs to concrete is the soundness of the repair plane.

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Authors and Affiliations

  1. Taywood Engineering Ltd, 7/F, 275 Alfred Street North, 2060, North Sydney, N.S.W., Australia

    F. G. Collins

  2. School of Civil and Mining Engineering, University of Sydney, 2006, N.S.W., Australia

    H. Roper

Authors
  1. F. G. Collins
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  2. H. Roper
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Collins, F.G., Roper, H. Evaluation of concrete spall repairs by pullout test. Materials and Structures 22, 280–286 (1989). https://doi.org/10.1007/BF02472560

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  • DOI: https://doi.org/10.1007/BF02472560

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