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Early age autogenous deformation and cracking of cementitious materials – Implications on strengthening of concrete
Luleå University of Technology, Department of Civil, Environmental and Natural Resources Engineering, Structural and Construction Engineering.ORCID iD: 0000-0002-2922-5815
2017 (English)Doctoral thesis, comprehensive summary (Other academic)
Place, publisher, year, edition, pages
Luleå: Luleå tekniska universitet, 2017.
Series
Doctoral thesis / Luleå University of Technology 1 jan 1997 → …, ISSN 1402-1544
Keyword [en]
concrete, mortar, strengthening, composites, shrinkage, autogenous deformation, alkali activated materials, alkali activated slag
National Category
Other Civil Engineering
Research subject
Structural Engineering
Identifiers
URN: urn:nbn:se:ltu:diva-63337ISBN: 978-91-7583-908-0 (print)ISBN: 978-91-7583-909-7 (electronic)OAI: oai:DiVA.org:ltu-63337DiVA: diva2:1095285
Public defence
2017-06-19, F1031, Luleå tekninska universitet, Luleå, 13:00 (English)
Opponent
Supervisors
Funder
SBUF - Sveriges Byggindustriers UtvecklingsfondSwedish Transport Administration
Available from: 2017-05-12 Created: 2017-05-12 Last updated: 2017-05-24Bibliographically approved
List of papers
1. From material level to structural use of mineral-based composites: An overview
Open this publication in new window or tab >>From material level to structural use of mineral-based composites: An overview
2010 (English)In: Advances in Civil Engineering / Hindawi, ISSN 1687-8086, E-ISSN 1687-8094, Vol. 2010, 985843Article in journal (Refereed) Published
Abstract [en]

This paper surveys different material combinations and applications in the field of mineral-based strengthening of concrete structures. Focus is placed on mechanical behaviour on material and component levels in different cementitious composites; with the intention of systematically maping the applicable materials and material combinations for mineral-based strengthening. A comprehensive description of a particular strengthening system developed in Sweden and Denmark, denominated as Mineral-based Composites (MBCs), together with tests from composite material properties to structural elements is given. From tests and survey it can be concluded that the use of mineral-based strengthening system can be effectively used to increase the load bearing capacity of the strengthened structure. The paper concludes with suggestions on further development in the field of mineral-based strengthening

National Category
Infrastructure Engineering
Research subject
Structural Engineering
Identifiers
urn:nbn:se:ltu:diva-3960 (URN)10.1155/2010/985843 (DOI)1ce764b6-7481-46c4-80db-077ffca7afcc (Local ID)1ce764b6-7481-46c4-80db-077ffca7afcc (Archive number)1ce764b6-7481-46c4-80db-077ffca7afcc (OAI)
Note

Validerad; 2011; 20110622 (andbra)

Available from: 2016-09-29 Created: 2016-09-29 Last updated: 2017-10-19Bibliographically approved
2. Crack development and deformation behaviour of CFRP-reinforced mortars
Open this publication in new window or tab >>Crack development and deformation behaviour of CFRP-reinforced mortars
2013 (English)In: Nordic Concrete Research, ISSN 0800-6377, Vol. 48, 49-69 p.Article in journal (Refereed) Published
Abstract [en]

This paper reports on a research study investigating CFRPreinforced mortars in uniaxial tension, as a strengthening material for concrete structures. The bare strengthening material was tested on dogbone specimens. Crack formation, crack development and the interaction between the grid and the mortar phase with varying geometrical parameters and mortar compositions have been investigated and evaluated. The use of engineered cementitious composites, exhibiting multiple cracking and enhanced pseudo-ductility in uniaxial tension, was found to result in an improved overall performance.

National Category
Infrastructure Engineering
Research subject
Structural Engineering
Identifiers
urn:nbn:se:ltu:diva-15091 (URN)e8e77786-c4b1-4bfb-bb6d-57d675e53f59 (Local ID)e8e77786-c4b1-4bfb-bb6d-57d675e53f59 (Archive number)e8e77786-c4b1-4bfb-bb6d-57d675e53f59 (OAI)
Note
Validerad; 2013; 20131216 (ysko)Available from: 2016-09-29 Created: 2016-09-29 Last updated: 2017-10-19Bibliographically approved

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