Effect of duration and conditions of exposure on chloride diffusion

S. V. Nanukuttan*, P. A M Basheer, D. J. Robinson, W. J. McCarter

*Corresponding author for this work

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

Three ordinary Portland cement concrete piers were exposed in the North Sea, Scotland region for a period of 7 years. Concrete dust samples were taken at regular intervals of exposure to obtain chloride profiles. Apparent diffusion coefficient and surface chloride concentration were calculated using the chloride profiles. The exposure can be classified in four different regimes, namely, the submerged, the splash, the tidal and the atmospheric zone. Variation of diffusion coefficients and surface chloride concentrations with exposure criteria are discussed in this paper.

Original languageEnglish
Title of host publicationConcrete Repair, Rehabilitation and Retrofitting - Proceedings of the International Conference on Concrete Repair, Rehabilitation and Retrofitting, ICCRRR 2005
Pages131-132
Number of pages2
Publication statusPublished - 01 Dec 2006
Event1st International Conference on Concrete Repair, Rehabilitation and Retrofitting, ICCRRR 2005 - Cape Town, South Africa
Duration: 21 Nov 200523 Nov 2005

Conference

Conference1st International Conference on Concrete Repair, Rehabilitation and Retrofitting, ICCRRR 2005
CountrySouth Africa
CityCape Town
Period21/11/200523/11/2005

ASJC Scopus subject areas

  • Civil and Structural Engineering
  • Building and Construction

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