Performance assessment of reinforced concrete after long-term exposure to a marine environment

Jaehwan Kim, William John McCarter, Benny Suryanto

Research output: Contribution to journalArticle

3 Citations (Scopus)
23 Downloads (Pure)

Abstract

The performance of CEM I, CEM III/A and CEM II/B-V reinforced concrete slabs which have been exposed to a marine environment for 18 years is presented. Performance is assessed in terms of porosity, degree of saturation, chloride concentration and electrical resistivity gradients evaluated through the surface 150mm; the condition of the embedded steel was evaluated using electrochemical techniques. Based on the parameters related to chloride transport, two new environmental factors were introduced into the ClinConc model to predict chloride ingress into unsaturated concrete. A monitoring system is also presented enabling remote interrogation of those slabs located at the marine exposure site.
Original languageEnglish
Pages (from-to)569-583
Number of pages15
JournalConstruction and Building Materials
Volume192
Early online date25 Oct 2018
DOIs
Publication statusPublished - 20 Dec 2018

Keywords

  • Field concrete
  • Chloride-induced corrosion
  • Electrical resistivity
  • Electrochemical measurements
  • ClinConc model
  • Long-term behaviour

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