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RISE- Metod ASR- Nr 1 – Expansionsprovning för alkalisilikareaktivitet
RISE Research Institutes of Sweden, Built Environment, Infrastructure and concrete technology.ORCID iD: 0000-0003-4409-5788
2025 (Swedish)Report (Other academic)
Abstract [sv]

Metoden avser bestämning av alkalisilikareaktivitet i betong och bygger på att i en betong med ett alkalisilikareaktivt ballastmaterial som vattenlagras i en varm mättad saltlösning (NaCl), kommer cementet att reagera med reaktiva bergartstyper och expandera. Denna expansion tar sig uttryck i en längdförändring hos provkropp som kan mätas.

Expansionen mäts med jämna intervall vid lagring i varm mättad NaCl-lösning (50 ± 2 °C). Provkropparna initialmäts efter 28 dygn i klimat, +20 ± 2 °C och minst 95 % relativ fuktighet. Slutmätning sker tidigast efter 20 veckors lagring i varm mättad NaCl-lösning.

Place, publisher, year, edition, pages
RISE Research Institutes of Sweden , 2025. , p. 11
Series
RISE Rapport ; 2025:34
National Category
Materials Engineering
Identifiers
URN: urn:nbn:se:ri:diva-78727ISBN: 978-91-90036-21-1 (print)OAI: oai:DiVA.org:ri-78727DiVA, id: diva2:1988095
Available from: 2025-08-11 Created: 2025-08-11 Last updated: 2025-09-23Bibliographically approved

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Gabrielsson, Ida

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CiteExportLink to record
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