Deformation behaviour of concrete with burnt oil shale ash

Toomas Laur, Sirje Vares, Asko Sarja, Mart Hain

    Research output: Chapter in Book/Report/Conference proceedingChapter or book articleScientific


    Investigations about the deformation properties (shrinkage and swelling) of oil shale ash were carried out in co-operation with the Tallinn Technical University (Estonia) and Technical Research Centre of Finland. Deformation behaviour of concrete with two types of burnt oil shale cements in fresh and hardened state were studied. The special cement was made from Estonian Portland cement clinker, natural gypsum and an expansion additive, burnt oil shale, which is a by-product of energy plants. The comparison was made by using shrinkage reducing additive. Conclusions about expansion of concrete stored in water, about drying shrinkage of hardened concrete and about total strain after water storage and followed storage in dry environment (50 % RH) were given.
    Original languageEnglish
    Title of host publicationNordic Concrete Research
    Subtitle of host publicationResearch projects 1999
    PublisherNorsk Betongforening
    ISBN (Print)82-91341-27-3
    Publication statusPublished - 1999
    MoE publication typeNot Eligible


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