Abstract
The coefficient of chloride extraction from concrete was estimated for the purpose of this paper on the basis of variations in concentration of chloride ions in concrete. Electrochemical tests were conducted on extraction of chloride ions from ordinary concrete containing Portland cement CEM I 42.5 R. Those tests were used to determine concentrations of chloride ions in concrete exposed to chloride extraction at two different times. A change in time of concentration distribution of chloride ions over the thickness of concrete cover was used to estimate the coefficient of chloride ions extraction. Determined values of extraction coefficient were used to establish the duration of extraction sufficient for the complete removal of all chloride ions from concrete, which were responsible for corrosion of reinforcing steel.
| Translated title of the contribution | Szacowanie wartości współczynnika ekstrakcji chlorków z betonu |
|---|---|
| Original language | English |
| Pages (from-to) | 393-398 |
| Number of pages | 6 |
| Journal | Ochrona Przed Korozja |
| Volume | 62 |
| Issue number | 12 |
| DOIs | |
| Publication status | Published - 2019 |
Keywords
- Chloride extraction coefficient
- Distribution of chloride ions in concrete
- Effective extraction time
ASJC Scopus subject areas
- Materials Chemistry
- Metals and Alloys
- Surfaces, Coatings and Films
- General Chemical Engineering
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