5 years of in situ reinforcement corrosion monitoring in the splash and submerged zone of a cracked concrete element

A. Michel*, H. E. Sørensen, Mette Rica Geiker

*Corresponding author for this work

Research output: Contribution to journalJournal articleResearchpeer-review

Abstract

Results of more than 5 years of in situ reinforcement corrosion monitoring are presented including continuous measurements of concrete resistivity, temperature, and open circuit corrosion potential measurements. Depth dependent resistivity and temperature measurements were obtained by means of multi-ring electrodes, while so-called instrumented rebars were used for location- and time-dependent open circuit corrosion potential measurements. The presented results highlight the complex interaction between mass transport, fracture, exposure, and electrochemistry and underline the importance of in situ measurements, which are imperative for model testing to enable accurate and reliable long-term performance predictions of reinforced concrete structures.
Original languageEnglish
Article number122923
JournalConstruction and Building Materials
Volume285
Number of pages12
ISSN0950-0618
DOIs
Publication statusPublished - 2021

Keywords

  • Corrosion
  • Cracked concrete
  • Monitoring
  • Concrete resistivity
  • Open circuit corrosion potential

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