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Article: Cementing efficiencies and synergistic roles of silica fume and nano-silica in sulphate and chloride resistance of concrete

TitleCementing efficiencies and synergistic roles of silica fume and nano-silica in sulphate and chloride resistance of concrete
Authors
KeywordsCementing efficiency
Chloride resistance
Nano-silica
Silica fume
Sulphate resistance
Issue Date2019
PublisherElsevier BV. The Journal's web site is located at http://www.elsevier.com/locate/conbuildmat
Citation
Construction and Building Materials, 2019, v. 223, p. 965-975 How to Cite?
AbstractIt has been proven by various studies that adding silica fume (SF) alone or nano-silica (NS) alone can provide significant beneficial effects on the durability of concrete. In theory, SF and NS may also be added together, but up to now, such possible combined usage of SF and NS for improving the durability of concrete, especially the sulphate and chloride resistance, has not been deeply explored. In this paper, the individual and synergistic roles of SF and NS in the sulphate and chloride resistance of concrete were investigated by producing a series of concrete mixes containing varying SF, NS and water contents for strength test, sulphate attack test and rapid chloride permeability test. It was found that the combined addition of SF and NS can further enhance the sulphate and chloride resistance to higher than possible with the single addition of SF or NS. From the experimental results, the cementing efficiencies of SF and NS were evaluated, from which it was revealed that there exist certain synergistic effects offered by the combined addition of SF and NS on the sulphate and chloride resistance.
Persistent Identifierhttp://hdl.handle.net/10722/277207
ISSN
2023 Impact Factor: 7.4
2023 SCImago Journal Rankings: 1.999
ISI Accession Number ID

 

DC FieldValueLanguage
dc.contributor.authorLi, LG-
dc.contributor.authorZheng, JY-
dc.contributor.authorNg, PL-
dc.contributor.authorZhu, J-
dc.contributor.authorKwan, AKH-
dc.date.accessioned2019-09-20T08:46:39Z-
dc.date.available2019-09-20T08:46:39Z-
dc.date.issued2019-
dc.identifier.citationConstruction and Building Materials, 2019, v. 223, p. 965-975-
dc.identifier.issn0950-0618-
dc.identifier.urihttp://hdl.handle.net/10722/277207-
dc.description.abstractIt has been proven by various studies that adding silica fume (SF) alone or nano-silica (NS) alone can provide significant beneficial effects on the durability of concrete. In theory, SF and NS may also be added together, but up to now, such possible combined usage of SF and NS for improving the durability of concrete, especially the sulphate and chloride resistance, has not been deeply explored. In this paper, the individual and synergistic roles of SF and NS in the sulphate and chloride resistance of concrete were investigated by producing a series of concrete mixes containing varying SF, NS and water contents for strength test, sulphate attack test and rapid chloride permeability test. It was found that the combined addition of SF and NS can further enhance the sulphate and chloride resistance to higher than possible with the single addition of SF or NS. From the experimental results, the cementing efficiencies of SF and NS were evaluated, from which it was revealed that there exist certain synergistic effects offered by the combined addition of SF and NS on the sulphate and chloride resistance.-
dc.languageeng-
dc.publisherElsevier BV. The Journal's web site is located at http://www.elsevier.com/locate/conbuildmat-
dc.relation.ispartofConstruction and Building Materials-
dc.subjectCementing efficiency-
dc.subjectChloride resistance-
dc.subjectNano-silica-
dc.subjectSilica fume-
dc.subjectSulphate resistance-
dc.titleCementing efficiencies and synergistic roles of silica fume and nano-silica in sulphate and chloride resistance of concrete-
dc.typeArticle-
dc.identifier.emailKwan, AKH: khkwan@hkucc.hku.hk-
dc.identifier.authorityKwan, AKH=rp00127-
dc.description.naturelink_to_subscribed_fulltext-
dc.identifier.doi10.1016/j.conbuildmat.2019.07.241-
dc.identifier.scopuseid_2-s2.0-85073704215-
dc.identifier.hkuros305506-
dc.identifier.volume223-
dc.identifier.spage965-
dc.identifier.epage975-
dc.identifier.isiWOS:000487569100083-
dc.publisher.placeNetherlands-
dc.identifier.issnl0950-0618-

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