THE EFFECT OF CHLORIDE CATION TYPE ON THE CORROSION OF STEEL IN CONCRETE BY CHLORIDE SALTS

It has been shown that the same quantity of chloride ion added to ordinary portland cement mortar as CaCl2, NaCl or KCl has an effect on the corrosion rate which is strongly dependent on the cation, CaCl2 having a much more deleterious effect than either NaCl or KCl. This effect is shown to be due to a combination of a coarsening of the pore structure and a decrease in the ph of the pore solution by the CaCl2, but is not related to concentration of chloride ions remaining in the pore solution. (Author/TRRL)

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  • Corporate Authors:

    Pergamon Press, Incorporated

    Maxwell House, Fairview Park
    Elmsford, NY  United States  10523
  • Authors:
    • Hansson, C M
    • Froelund, T
    • Markussen, J B
  • Publication Date: 1985-1

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Filing Info

  • Accession Number: 00396950
  • Record Type: Publication
  • Source Agency: Transport Research Laboratory
  • Files: ITRD, TRIS
  • Created Date: Aug 25 2004 2:39AM