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CHLORIDE-INITIATED REINFORCEMENT CORROSION CHLORIDE BINDING

This report presents some of the results of the research project, "Chloride-initiated reinforcement corrosion". The aim of the project has been to map out the parameters which control the corrosion attack. The project has been broken into three parts: chloride transport, chloride binding and threshold values. Each of these will be reported separately. The present report deals with chloride binding. The cement paste's capacity to bind chloride is one of the controlling parameters for the initiation process connected with chloride-initiated reinforcement corrosion. The reason for this is that the chloride binding influences the rate at which chloride is transported through the concrete cover. The capacity of the concrete to bind chloride is also one of the factors which it is important to know when assessing suitable repair measures for concrete which contains a certain quantity of chloride, since it is only the free chloride ions on the pore solution which can cause corrosion. Consequently, the bound chloride ions can be regarded as "harmless" from the corrosion point of view. (Author/TRRL)

  • Corporate Authors:

    Cement och Betonginstitut

    Drottning Kristinas Vaeg 26
    Stockholm 70,   Sweden 
  • Authors:
    • Byfors, K
  • Publication Date: 1990

Media Info

  • Features: References;
  • Pagination: 121 p.
  • Serial:

Subject/Index Terms

Filing Info

  • Accession Number: 00619736
  • Record Type: Publication
  • Source Agency: Swedish National Road and Transport Research Institute (VTI)
  • Report/Paper Numbers: 1990:1
  • Files: ITRD, TRIS
  • Created Date: Mar 31 1992 12:00AM