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Self-Healing Performance and Microstructure Aspects of Concrete Using Energetically Modified Cement with a High Volume of Pozzolans
EMC Development AB.
Luleå University of Technology, Department of Civil, Environmental and Natural Resources Engineering, Structural and Construction Engineering.ORCID iD: 0000-0002-3997-3083
Luleå University of Technology, Department of Civil, Environmental and Natural Resources Engineering, Structural and Construction Engineering.ORCID iD: 0000-0002-0560-9355
2014 (English)In: Nordic Concrete Research, ISSN 0800-6377, Vol. 51, p. 131-144Article in journal (Refereed) Published
Abstract [en]

Self-healing can increase the lifetime and durability of concrete structures. The self-healing properties of concrete made with Energetically Modified Cement (EMC), which has a pozzolan content of up to 70%, have been investigated. In such concretes, pozzolanic reactions within the cement cause the gradual formation of fresh C-S-H gel, which seals cracks as they form. The self-healing of small EMC concrete samples was tested in a laboratory, and field observations of an EMC concrete highway pavement were made. The EMC concrete exhibited fewer cracks than conventional concrete, and was observed to self-heal cracks with widths of up to 0.2 mm.

Place, publisher, year, edition, pages
2014. Vol. 51, p. 131-144
Keywords [en]
Self-healing, cracking, pozzolanic reactions, modified cement binders, Civil engineering and architecture - Building manufacturing engineering
Keywords [sv]
Samhällsbyggnadsteknik och arkitektur - Byggproduktionsteknik
National Category
Infrastructure Engineering
Research subject
Structural Engineering; Attractive built environment (AERI)
Identifiers
URN: urn:nbn:se:ltu:diva-14622Local ID: e06047ad-302a-4755-bd5c-51645f74c45aOAI: oai:DiVA.org:ltu-14622DiVA, id: diva2:987595
Note

Validerad; 2014; 20141210 (mem)

Available from: 2016-09-29 Created: 2016-09-29 Last updated: 2019-09-13Bibliographically approved

Open Access in DiVA

No full text in DiVA

Other links

https://www.tekna.no/ikbViewer/Content/918170/NCR%20vol%2051%20dec%202014.pdf

Authority records BETA

Ronin, VladimirEmborg, MatsElfgren, Lennart

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