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Effects of variable curing temperatures on autogenous deformation of blended cement concretes
Luleå tekniska universitet, Institutionen för samhällsbyggnad och naturresurser, Byggkonstruktion och brand.ORCID-id: 0000-0002-2922-5815
Skanska Sverige AB.
Luleå tekniska universitet, Institutionen för samhällsbyggnad och naturresurser, Byggkonstruktion och brand.ORCID-id: 0000-0001-6287-2240
2017 (engelsk)Inngår i: Construction and Building Materials, ISSN 0950-0618, E-ISSN 1879-0526, Vol. 149, s. 474-480Artikkel i tidsskrift (Fagfellevurdert) Published
Abstract [en]

Shrinkage tests have been performed on blended Portland cement based early-age concrete with different w/c ratios, undergoing variable temperature curing. Results showed presence of induced non-negligible autogenous swelling which could mitigate part of the stresses related to shrinkage at very young concrete age. Recorded swelling was higher at higher curing temperatures and longer duration, especially pronounced for the low w/c mix. The swelling continued for several days after the temperature stabilized. Although not investigated directly, evidence to the nonlinear nature of the thermal expansion coefficient in young concrete has also been provided

sted, utgiver, år, opplag, sider
Elsevier, 2017. Vol. 149, s. 474-480
HSV kategori
Forskningsprogram
Konstruktionsteknik
Identifikatorer
URN: urn:nbn:se:ltu:diva-63597DOI: 10.1016/j.conbuildmat.2017.05.143ISI: 000405536800044Scopus ID: 2-s2.0-85019772715OAI: oai:DiVA.org:ltu-63597DiVA, id: diva2:1103337
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Validerad;2017;Nivå 2;2017-05-29 (andbra)

Tilgjengelig fra: 2017-05-30 Laget: 2017-05-30 Sist oppdatert: 2018-07-10bibliografisk kontrollert

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