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Validation of the Swedish Crack Risk Estimation Models
Luleå University of Technology, Department of Civil, Environmental and Natural Resources Engineering, Structural and Fire Engineering.ORCID iD: 0000-0002-1398-6118
Luleå University of Technology, Department of Civil, Environmental and Natural Resources Engineering, Structural and Fire Engineering.ORCID iD: 0000-0001-9386-3718
Luleå University of Technology, Department of Civil, Environmental and Natural Resources Engineering, Structural and Fire Engineering.ORCID iD: 0000-0002-3997-3083
2017 (English)In: Proceedings of the 23rd Nordic Concrete Research Symposium: Aalborg, Denmark, 21 - 23 August 2017, Oslo: Nordic Concrete Federation , 2017, p. 321-324Conference paper, Published paper (Refereed)
Abstract [en]

Thermal cracking may occur during the early hardening process of concrete as a result of the exothermic reactions between water and cement. An approach for thermal crack risk estimation and prevention was introduced in the Swedish design guidelines BRO 94. This paper studies and validates the current safety levels existing concrete structures. Three slab-frame structures were analysed and the preliminary crack risk estimations were compared to the actual cracking and post-estimations were carried out, using actual parameters. This paper shows that all the studied walls with a strain ratio over 70% were affected by thermal cracks.

Place, publisher, year, edition, pages
Oslo: Nordic Concrete Federation , 2017. p. 321-324
Keywords [en]
Cracking, Structural Design, Sustainability, Testing
National Category
Infrastructure Engineering Building Technologies
Research subject
Structural Engineering
Identifiers
URN: urn:nbn:se:ltu:diva-68145ISBN: 978-82-8208-056-9 (print)OAI: oai:DiVA.org:ltu-68145DiVA, id: diva2:1194676
Conference
23th Symposium on Nordic Concrete Research & Development, Aalborg, Denmark, 21 - 23 August 2017
Funder
Swedish Transport AdministrationSBUF - Sveriges Byggindustriers UtvecklingsfondAvailable from: 2018-04-03 Created: 2018-04-03 Last updated: 2018-06-20Bibliographically approved

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Nilimaa, JonnyHösthagen, AndersEmborg, Mats
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CiteExportLink to record
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