Compressive strength of natural sea ice in horizontal loading

Eila Lehmus, Tuomo Kärnä, Akio Tanabe, Minoru Yoshizawa, Yoshitsugu Ishibashi, William Sackinger

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

    Abstract

    Samples of natural sea ice obtained from shorefast ice were loaded in compression, in the horizontal direction, both parallel and perpendicular to the C-axis, at a constant strain rate of 10 power in -3 sec power in -1. The average compressive strength parallel to the C-axis was 7.23 MPa at 10°C and 6.77 MPa at -20°C. This is in fair agreement with published values; the smaller strength at 20°C is attributed to the formation of internal microcracks upon thawing of the sodium chloride dihydrate in the brine inclusions, and the annealing of the microcracks prior to testing at the higher temperature.
    Original languageEnglish
    Title of host publicationThe proceedings of the Sixth (1996) International Offshore and Polar Engineering Conference
    EditorsJin S. Chung
    Place of PublicationGolden
    Pages285-290
    Volume2
    Publication statusPublished - 1996
    MoE publication typeA4 Article in a conference publication
    Event6th International Offshore and Polar Engineering Conference (ISOPE) - Los Angeles, United States
    Duration: 26 May 199631 May 1996

    Conference

    Conference6th International Offshore and Polar Engineering Conference (ISOPE)
    CountryUnited States
    CityLos Angeles
    Period26/05/9631/05/96

    Keywords

    • natural sea ice
    • compressive strength
    • horizontal loading
    • parallel to c-axis
    • strain rate
    • laboratory tests

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  • Cite this

    Lehmus, E., Kärnä, T., Tanabe, A., Yoshizawa, M., Ishibashi, Y., & Sackinger, W. (1996). Compressive strength of natural sea ice in horizontal loading. In J. S. Chung (Ed.), The proceedings of the Sixth (1996) International Offshore and Polar Engineering Conference (Vol. 2, pp. 285-290).