Article (Scientific journals)
Influence of hydrophobic product nature and concentration on carbonation resistance of cultural heritage concrete buildings
Courard, Luc; Zhao, Zengfeng; Michel, Frédéric
2021In Cement and Concrete Composites, 115
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Keywords :
hydrophobe; concrete; capillary absorption; carbonation; W/C ratio; chloride resistance; silane; siloxane; concentration; paste; alcohol; water
Abstract :
[en] The concrete based patrimony is subjected to different deterioration mechanisms, including steel corrosion induced by carbonation or chloride ion diffusion. Hydrophobic product may be used for protecting concrete structures against water ingress. No data are available on the correlation between quality of hydrophobic agent, concrete substrate properties and carbonation resistance. The influence of hydrophobic product and water to cement ratio of concrete substrate on the carbonation resistance has been investigated. The results show that there is a clear effect of hydrophobic treatment on carbonation resistance as well as chloride diffusion, specifically for high active product concentration and high W/C ratio.
Disciplines :
Civil engineering
Author, co-author :
Courard, Luc  ;  Université de Liège - ULiège > Département ArGEnCo > Matériaux de construction non métalliques du génie civil
Zhao, Zengfeng ;  Université de Liège - ULiège > Département ArGEnCo > Matériaux de construction non métalliques du génie civil
Michel, Frédéric ;  Université de Liège - ULiège > Département ArGEnCo > Matériaux de construction non métalliques du génie civil
Language :
English
Title :
Influence of hydrophobic product nature and concentration on carbonation resistance of cultural heritage concrete buildings
Publication date :
January 2021
Journal title :
Cement and Concrete Composites
ISSN :
0958-9465
eISSN :
1873-393X
Publisher :
Elsevier, United Kingdom
Volume :
115
Peer reviewed :
Peer Reviewed verified by ORBi
Name of the research project :
REDMONEST-BE2
Funders :
BELSPO - Politique scientifique fédérale [BE]
Available on ORBi :
since 26 October 2020

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