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Correlation between early- and later-age performance indices of early frost-damaged concrete
Luleå University of Technology, Department of Civil, Environmental and Natural Resources Engineering, Structural and Fire Engineering.ORCID iD: 0000-0003-2668-1329
Luleå University of Technology, Department of Civil, Environmental and Natural Resources Engineering, Structural and Fire Engineering.ORCID iD: 0000-0003-0089-8140
Luleå University of Technology, Department of Civil, Environmental and Natural Resources Engineering, Structural and Fire Engineering.ORCID iD: 0000-0003-3548-6082
Luleå University of Technology, Department of Civil, Environmental and Natural Resources Engineering, Structural and Fire Engineering.ORCID iD: 0000-0003-4720-5380
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2022 (English)In: IABSE Symposium Prague 2022: Challenges for Existing and Oncoming Structures - Report, International Association for Bridge and Structural Engineering / [ed] František Wald, Pavel Ryjáček, International Association for Bridge and Structural Engineering, 2022, p. 934-941Conference paper, Published paper (Refereed)
Abstract [en]

Freeze‐thaw cycles can lead to serious damage of early‐age concrete and influence its behaviour at later ages. In this study, the later‐age compressive strength, resistance to chloride penetration and resistance to freeze‐thaw of early frost‐damaged concrete were experimentally studied and the relationship between its early‐ (i.e., strength and resistivity) and later‐age (i.e., strength, chloride ion electric flux and freeze‐thaw durability factor) performance indices were analysed. Results show that the later‐age performance of the concrete subjected to freeze‐thaw cycles at early age was generally worse than that of the control samples, which had not undergone early frost damage. This was especially significant for the concrete subjected to freeze‐thaw cycles before the age of 24 h. The compressive strength after early frost action had a higher linear correlation with the later‐age indices of the concrete than the compressive strength before early frost action. Results also showed that the early‐age resistivity is a good indicator for the later‐age performance of early frost‐damaged concrete if the pre‐curing time before frosting is at least 24 h. 

Place, publisher, year, edition, pages
International Association for Bridge and Structural Engineering, 2022. p. 934-941
Keywords [en]
compressive strength, durability, early frost damage, freeze‐thaw cycles, resistivity
National Category
Reliability and Maintenance
Research subject
Structural Engineering
Identifiers
URN: urn:nbn:se:ltu:diva-92199DOI: 10.2749/prague.2022.0934Scopus ID: 2-s2.0-85133531691OAI: oai:DiVA.org:ltu-92199DiVA, id: diva2:1683872
Conference
IABSE Symposium Prague 2022: Challenges for Existing and Oncoming Structures, Prague, Czech Republic, May 25-27, 2022
Note

ISBN for host publication: 978-3-85748-181-9

Available from: 2022-07-19 Created: 2022-07-19 Last updated: 2023-09-05Bibliographically approved

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Liu, DongyunWang, ChaoGonzalez, JaimeMensah, Rhoda AfriyieFörsth, MichaelDas, OisikSas, GabrielElfgren, LennartTu, Yongming

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Liu, DongyunWang, ChaoGonzalez, JaimeMensah, Rhoda AfriyieFörsth, MichaelDas, OisikSas, GabrielElfgren, LennartTu, Yongming
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Reliability and Maintenance

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