Testing of long-term geotechnical parameters of by-products in laboratory

Markku Juvankoski, Rainer Laaksonen, Markku Tammirinne

    Research output: Chapter in Book/Report/Conference proceedingConference article in proceedingsScientificpeer-review

    Abstract

    The properties of four by-products were determined in this research project.These by-products were cement stabilised fly ash, blast-furnace slag sand, mixture of fly ash and de-sulphuration product and cement stabilised wood or peat ash.The properties considered critical in relation to long-term stability were determined in the laboratory.The results obtained were compared against the requirements set on by-products used in road construction.One of these tested materials has also been used in a test section built before these tests were started.All materials tested are in principle capable of producing adequate compressive strength and stiffness to be used in road construction. In practice some problems may arise especially concerning the choice of parameters for design due to poor environmental durability.In other words stabilised or self-strengthening materials do not necessarily last as intact the repeated freeze thaw cycles.Although the stiffness of stabilised material decreases significantly do to structural failure it may still possess reasonable large stiffness to be used in sub-base of a road structure.
    Original languageEnglish
    Title of host publicationInternational Conference on Practical Applications in Environmental Geotechnology
    Subtitle of host publicationECOGEO 2000
    Place of PublicationEspoo
    PublisherVTT Technical Research Centre of Finland
    Pages63-72
    ISBN (Electronic)951-38-5702-6
    ISBN (Print)951-38-5701-8
    Publication statusPublished - 2000
    MoE publication typeA4 Article in a conference publication
    EventInternational Conference on Practical Applications in Environmental Geotechnology: ECOGEO 2000 - Helsinki, Finland
    Duration: 4 Sep 20006 Sep 2000

    Publication series

    SeriesVTT Symposium
    Number204
    ISSN0357-9387

    Conference

    ConferenceInternational Conference on Practical Applications in Environmental Geotechnology
    Abbreviated titleECOGEO 2000
    CountryFinland
    CityHelsinki
    Period4/09/006/09/00

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  • Cite this

    Juvankoski, M., Laaksonen, R., & Tammirinne, M. (2000). Testing of long-term geotechnical parameters of by-products in laboratory. In International Conference on Practical Applications in Environmental Geotechnology: ECOGEO 2000 (pp. 63-72). VTT Technical Research Centre of Finland. VTT Symposium, No. 204 https://www.vtt.fi/inf/pdf/symposiums/2000/S204.pdf