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A method for measuring the chloride threshold level required to initiate reinforcement corrosion in concrete

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Abstract

Information on the chloride threshold level that is necessary to initiate corrosion of steel reinforcement in concrete is required for service life calculations and performance testing of concrete. This paper proposes a method for determining the chloride threshold level causing the corrosion of steel in concrete. The method takes into account the need for accelerated chloride ingress and limitation of possible corrosion of steel parts not intended to act as anode.

Résumé

Le niveau de chlorures au-delà duquel la corrosion des armatures en acier est déclenchée dans le béton renforcé, est un paramètre dont la connaissance est nécessaire aussi bien lors de la conception, que des essais de performance du béton. Une méthode de détermination de ce seuil est proposée dans cet article. La méthode tient compte à la fois de l'accélération induite du flux d'ions chlorure et des limitations liées à une possible corrosion de l'acier.

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Authors and Affiliations

  1. Technical University of Denmark, Denmark

    P. V. Nygaard & M. R. Geiker

Authors
  1. P. V. Nygaard
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  2. M. R. Geiker
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Éditorial note Prof. Mette R. Geiker is a RILEM Senior Member. She participates in RILEM TCs 189-NEC ‘Non-destructive evaluation of the ‘covercrete’ (concrete cover)’, 196-ICC ‘Internal curing of concretes’ and RFC ‘Rheology of cement based materials such as fresh concrete’.

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Nygaard, P.V., Geiker, M.R. A method for measuring the chloride threshold level required to initiate reinforcement corrosion in concrete. Mat. Struct. 38, 489–494 (2005). https://doi.org/10.1007/BF02482145

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  • DOI: https://doi.org/10.1007/BF02482145

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