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Article

Effect of the Addition of GGBS on the Frost Scaling and Chloride Migration Resistance of Concrete

1
CERIS, Instituto Superior Técnico, Universidade de Lisboa, 1049-001 Lisboa, Portugal
2
Division of Building Technology, Chalmers University of Technology, 412 96 Göteborg, Sweden
3
Thomas Concrete Group, 412 96 Göteborg, Sweden
*
Author to whom correspondence should be addressed.
Appl. Sci. 2020, 10(11), 3940; https://doi.org/10.3390/app10113940
Received: 1 May 2020 / Revised: 20 May 2020 / Accepted: 2 June 2020 / Published: 5 June 2020
(This article belongs to the Special Issue Concrete and Mortar with Non-conventional Materials)
Ground Granulated Blast-furnace Slag (GGBS) can partially replace cement in concrete to improve certain properties. However, some concerns regarding its performance have been raised. This research aimed at investigating the properties of concrete with GGBS, with special focus on its frost scaling and chloride ingress resistance. Concretes with different amounts of GGBS, different efficiency factors, and different air contents have been tested. The effects of other factors, namely the curing temperature, the use of superplasticizer and carbonation, have also been investigated. The results showed that the frost resistance generally decreases with the increase of the amount of GGBS. However, this research showed that it is possible to produce frost resistant concrete with up to 50% of GGBS by changing some properties of the mix (such as increasing the air content). The results also showed a significant improvement of the chloride ingress resistance for concrete with high additions of GGBS. View Full-Text
Keywords: concrete; GGBS; salt frost resistance; chloride migration concrete; GGBS; salt frost resistance; chloride migration
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MDPI and ACS Style

Correia, V.; Gomes Ferreira, J.; Tang, L.; Lindvall, A. Effect of the Addition of GGBS on the Frost Scaling and Chloride Migration Resistance of Concrete. Appl. Sci. 2020, 10, 3940. https://doi.org/10.3390/app10113940

AMA Style

Correia V, Gomes Ferreira J, Tang L, Lindvall A. Effect of the Addition of GGBS on the Frost Scaling and Chloride Migration Resistance of Concrete. Applied Sciences. 2020; 10(11):3940. https://doi.org/10.3390/app10113940

Chicago/Turabian Style

Correia, Vera; Gomes Ferreira, João; Tang, Luping; Lindvall, Anders. 2020. "Effect of the Addition of GGBS on the Frost Scaling and Chloride Migration Resistance of Concrete" Appl. Sci. 10, no. 11: 3940. https://doi.org/10.3390/app10113940

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