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Optimizing blended binders with slag or fly ash for improved sulfate resistance
RISE Research Institutes of Sweden.
RISE Research Institutes of Sweden, Built Environment, Infrastructure and concrete technology.ORCID iD: 0000-0003-1586-965x
RISE Research Institutes of Sweden, Built Environment, Infrastructure and concrete technology.ORCID iD: 0000-0003-1904-7426
2021 (English)Report (Other academic)
Abstract [en]

The report presents an investigation of the role of the sulfate balance in blended binders with slag (ground granulated blast furnace type, GGBS) or fly ash (low calcium type) in achieving improved sulfate resistance (SR) when using non-SR CEM I. The investigation involved experiments with sulfate-doped vs. undoped blended binders, pastes and mortars with and without exposure to sulfate attack, which was induced by immersion in Na2SO4 solution using a laboratory method. The results reveal the benefit of a sulfate level adjustment to promote improved behaviour during sulfate attack: doped blends yielded lower expansion during sulfate attack and reduced internal damage compared to undoped alternatives. Sulfate-doping increased the potential of slag and fly ash to mitigate sulfate attack with non-SR cement.

Place, publisher, year, edition, pages
BorĂ¥s, 2021. , p. 73
Series
RISE Rapport ; 2021:81
National Category
Building Technologies
Identifiers
URN: urn:nbn:se:ri:diva-57315ISBN: 978-91-89385-71-9 (electronic)OAI: oai:DiVA.org:ri-57315DiVA, id: diva2:1619241
Available from: 2021-12-13 Created: 2021-12-13 Last updated: 2021-12-13Bibliographically approved

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fulltext(8372 kB)405 downloads
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Plusquellec, GillesMueller, Urs

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CiteExportLink to record
Permanent link

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Cite
Citation style
  • apa
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • Other style
More styles
Language
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Other locale
More languages
Output format
  • html
  • text
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