The Effects of Temperature Curing on the Strength Development, Transport Properties, and Freeze-Thaw Resistance of Blast Furnace Slag Cement Mortars Modified with Nanosilica

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dc.contributor.authorFederowicz, Karol
dc.contributor.authorFigueiredo, Vitoria Alves
dc.contributor.authorAl-kroom, Hussein
dc.contributor.authorAbdel-Gawwad, Hamdy A.
dc.contributor.authorAbd Elrahman, Mohamed
dc.contributor.authorSikora, Pawel
dc.date.accessioned2021-01-11T12:42:44Z
dc.date.available2021-01-11T12:42:44Z
dc.date.issued2020-12-18
dc.date.updated2021-01-08T00:23:28Z
dc.description.abstractThis investigation studies the effects of hot water and hot air curing on the strength development, transport properties, and freeze-thaw resistance of mortars incorporating low-heat blast furnace slag cement and nanosilica (NS). Mortar samples were prepared and stored in ambient conditions for 24 h. After demolding, mortar samples were subjected to two different hot curing methods: Hot water and hot air curing (40 °C and 60 °C) for 24 h. For comparison purposes, mortar reference mixes were prepared and cured in water and air at ambient conditions. Strength development (from 1 to 180 days), capillary water porosity, water sorptivity, and freeze-thaw resistance were tested after 180 days of curing. The experimental results showed that both curing regimes accelerate the strength development of mortars, especially in the first seven days of hydration. The highest early strengths were reported for mortars subjected to a temperature of 60 °C, followed by those cured at 40 °C. The hot water curing regime was found to be more suitable, as a result of more stable strength development. Similar findings were observed in regard to durability-related properties. It is worth noting that thermal curing can more efficiently increase strength in the presence of nanosilica, suggesting that NS is more effective in enhancing strength under thermal curing.en
dc.description.sponsorshipEC/H2020/841592/EU/Ultra-Lightweight Concrete for 3D printing technologies/Ultra-LightCon-3Den
dc.identifier.eissn1996-1944
dc.identifier.urihttps://depositonce.tu-berlin.de/handle/11303/12393
dc.identifier.urihttp://dx.doi.org/10.14279/depositonce-11234
dc.language.isoenen
dc.rights.urihttps://creativecommons.org/licenses/by/4.0/en
dc.subject.ddc600 Technik, Technologiede
dc.subject.otherhot water curingen
dc.subject.otherhot air curingen
dc.subject.otherthermal curingen
dc.subject.othernanosilicaen
dc.subject.otherblast-furnace slag cementen
dc.subject.otherstrengthen
dc.subject.otherfreeze-thawen
dc.subject.othersorptivityen
dc.subject.otherporosityen
dc.subject.othercement mortaren
dc.titleThe Effects of Temperature Curing on the Strength Development, Transport Properties, and Freeze-Thaw Resistance of Blast Furnace Slag Cement Mortars Modified with Nanosilicaen
dc.typeArticleen
dc.type.versionpublishedVersionen
dcterms.bibliographicCitation.articlenumber5800en
dcterms.bibliographicCitation.doi10.3390/ma13245800en
dcterms.bibliographicCitation.issue24en
dcterms.bibliographicCitation.journaltitleMaterialsen
dcterms.bibliographicCitation.originalpublishernameMDPIen
dcterms.bibliographicCitation.originalpublisherplaceBaselen
dcterms.bibliographicCitation.volume13en
tub.accessrights.dnbfreeen
tub.affiliationFak. 6 Planen Bauen Umwelt::Inst. Bauingenieurwesen::FG Baustoffe und Bauchemiede
tub.affiliation.facultyFak. 6 Planen Bauen Umweltde
tub.affiliation.groupFG Baustoffe und Bauchemiede
tub.affiliation.instituteInst. Bauingenieurwesende
tub.publisher.universityorinstitutionTechnische Universität Berlinen

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