Abstract
Nowadays, various concrete systems with fly ash, slag, limestone calcined clay, etc. exhibiting high ionic resistivity are used to enhance the resistance against chloride-induced corrosion. This study deals with the corrosion assessment of steel in three cementitious systems, namely (i) Ordinary Portland Cement (OPC), (ii) OPC + 30% fly ash, and (iii) limestone calcined clay cement (LC3) exhibiting ‘low to moderate’, ‘moderate to high’, and ‘very high’ resistivities, as per AASHTO T358 (2017). Results from the ASTM G109 and impressed current corrosion (ICC) tests were evaluated. It was found that LC3 systems have excellent resistivity against the ingress of chlorides and provide better corrosion resistance. It was also found that the corrosion products formed on steel in LC3 systems are different and less expansive than that found in the OPC systems.
| Original language | English |
|---|---|
| Title of host publication | RILEM Bookseries |
| Publisher | Springer Vieweg |
| Pages | 613-619 |
| Number of pages | 7 |
| DOIs | |
| Publication status | Published - 2020 |
Publication series
| Name | RILEM Bookseries |
|---|---|
| Volume | 25 |
| ISSN (Print) | 2211-0844 |
| ISSN (Electronic) | 2211-0852 |
Bibliographical note
Publisher Copyright:© RILEM 2020.
Keywords
- ASTM G109
- Chloride-induced corrosion
- Impressed current corrosion
- Limestone calcined clay cement
ASJC Scopus subject areas
- Civil and Structural Engineering
- Building and Construction
- Mechanics of Materials
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