Corrosion resistance of steel reinforcements embedded in alkali activated ground granulated SiMn slag mortars
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http://hdl.handle.net/10045/96549
| Títol: | Corrosion resistance of steel reinforcements embedded in alkali activated ground granulated SiMn slag mortars |
|---|---|
| Autors: | Navarro, Rosa | García Alcocel, Eva María | Sánchez, Isidro | Garcés, Pedro | Zornoza, Emilio |
| Grups d'investigació o GITE: | Durabilidad de Materiales y Construcciones en Ingeniería y Arquitectura |
| Centre, Departament o Servei: | Universidad de Alicante. Departamento de Ingeniería Civil | Universidad de Alicante. Departamento de Construcciones Arquitectónicas |
| Paraules clau: | SiMn slag | Alkali activation | Corrosion | Carbonation | Chloride | Steel |
| Àrees de coneixement: | Ingeniería de la Construcción | Construcciones Arquitectónicas |
| Data de publicació: | 10-de gener-2020 |
| Editor: | Elsevier |
| Citació bibliogràfica: | Construction and Building Materials. 2020, 230: 116917. doi:10.1016/j.conbuildmat.2019.116917 |
| Resum: | The corrosion process of steel reinforcements embedded in alkali activated SiMn slag mortars was investigated. NaOH and waterglass were used as alkali activators of SiMn slag. The steel reinforced mortars were subjected to two aggressive environments: carbonation and chloride ingress. Carbonation progressed quicker for the binder activated with NaOH, decreasing the rate with the concentration. However, during the corrosion of the steels embedded in the mortars, both activators showed a similar behaviour. Mortars prepared with waterglass exhibited higher chloride migration coefficients, which decreased as the activator concentration increased. In a chloride contaminated ambient, steel embedded in mortars prepared with NaOH offered lower corrosion rate levels and it increased with the activator concentration. |
| Patrocinadors: | The authors wish to thank the Spanish Ministry of Economy and Competitiveness and European Union (FEDER) for project funding (BIA 2014-58194-R). |
| URI: | http://hdl.handle.net/10045/96549 |
| ISSN: | 0950-0618 (Print) | 1879-0526 (Online) |
| DOI: | 10.1016/j.conbuildmat.2019.116917 |
| Idioma: | eng |
| Tipus: | info:eu-repo/semantics/article |
| Drets: | © 2019 Elsevier Ltd. |
| Revisió científica: | si |
| Versió de l'editor: | https://doi.org/10.1016/j.conbuildmat.2019.116917 |
| Apareix a la col·lecció: | INV - DMCIA - Artículos de Revistas |
Arxius per aquest ítem:
| Arxiu | Descripció | Tamany | Format | |
|---|---|---|---|---|
 2019_Navarro_etal_ConsBuidMat_final.pdf | Versión final (acceso restringido) | 1,41 MB | Adobe PDF | Obrir Sol·licitar una còpia |
 2019_Navarro_etal_ConsBuidMat_preprint.pdf | Preprint (acceso abierto) | 1,51 MB | Adobe PDF | Obrir Vista prèvia |
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