THE MYTHS AND MISCONCEPTIONS OF CHLORIDE PENETRATION INTO CONCRETE

  • SWAMY N
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Abstract

This paper examines the conventional tests used to determine the amount and process of chloride penetration into concrete. It is shown that chloride penetration into concrete is a time-dependent process involving physical processes and chemical interactions, and that chlorides penetrate not only in the direction of gravity i.e., depth, but also in a direction lateral to the depth. One dimensional models of chloride diffusion are thus inapplicable to concrete. A two-dimensional model for chloride diffusion is proposed.

Author-supplied keywords

  • Friedel's salt
  • chloride
  • diffusion
  • penetration
  • pore structure

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Authors

  • Narayan SWAMY

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