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Effect of ECE in removing chlorides at free and bound ones in concrete contaminated with chlorides in cast and with penetrated chlorides
- Authors
- Ann, Ki Yong; Kim, Jiseok; Hwang, Woongik
- Issue Date
- Jan-2024
- Publisher
- Elsevier Ltd
- Keywords
- Acid solution; Chloride; Concrete; Electrochemical chloride extraction (ECE); Steel
- Citation
- Construction and Building Materials, v.411, pp 1 - 10
- Pages
- 10
- Indexed
- SCIE
SCOPUS
- Journal Title
- Construction and Building Materials
- Volume
- 411
- Start Page
- 1
- End Page
- 10
- ISSN
- 0950-0618
1879-0526
- Abstract
- The present study concerned the effect of electrochemical chloride extraction (ECE) to chloride-contaminated concrete on chloride removal with incremental depths after the ECE at 1000 mA/m2 for 2, 4 and 8 weeks. The steel reinforcement was taken as an anode, while the titanium mesh as cathode. The chloride was extracted by diluting concrete dust sample in acid solution and still water for total and free chlorides, respectively. As a result, most free chlorides were removed from concrete at the increased current density, while bound chlorides were quite removed, presumably due to a reduction of the alkalinity of concrete. © 2023 Elsevier Ltd
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Related Researcher
- ANN, KI YONG
- ERICA 공학대학 (DEPARTMENT OF CIVIL AND ENVIRONMENTAL ENGINEERING)