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Shrinkage cracking of thin concrete overlays
Betongindustri AB, Box 47312, SE-100 74, Stockholm, Sweden.
Luleå tekniska universitet, Institutionen för samhällsbyggnad och naturresurser, Byggkonstruktion och -produktion. Betongindustri AB, Box 47312, SE-100 74, Stockholm, Sweden.ORCID-id: 0000-0002-3997-3083
2014 (engelsk)Inngår i: Nordic Concrete Research, ISSN 0800-6377, Vol. 50, s. 355-359Artikkel i tidsskrift (Fagfellevurdert) Published
Abstract [en]

Due to a high degree of damages and undesirable end results of bonded overlays, research is conducted to develop recommendations on design and execution. Laboratory and full scale tests as well as theoretical analyses have been carried out including e. g. base and end restraint tests on overlays with various reinforcement, concrete qualities, substrate preparing and curing. Moreover, analytical and numerical calculations have been performed. Results reveal that the e. g. bond between overlay and substrate is a critical parameter for a successful end result. Another key parameter is sufficient curing, while reinforcement generally proved to be less significant. Theoretical models works well on this structural situation and will be further developed.

sted, utgiver, år, opplag, sider
2014. Vol. 50, s. 355-359
Emneord [en]
Overlay, Shrinkage, Cracks, Curing, Bond, Steel fibres, Restraint stresses
HSV kategori
Forskningsprogram
Konstruktionsteknik
Identifikatorer
URN: urn:nbn:se:ltu:diva-27798Lokal ID: 15916323-ea2a-49da-bcf2-52fc35fba598OAI: oai:DiVA.org:ltu-27798DiVA, id: diva2:1000988
Konferanse
Nordic Concrete Research Symposia : 13/08/2014 - 15/08/2014
Merknad

Godkänd; 2014; 20140830 (mem); Konferensartikel i tidskrift

Tilgjengelig fra: 2016-09-30 Laget: 2016-09-30 Sist oppdatert: 2023-11-11bibliografisk kontrollert

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https://nordicconcrete.net/ncr-publications/bi-annual-report-ncr/

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Carlswärd, JonasEmborg, Mats

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