Field experiments on uniaxial compressive strength of sea ice in the Weddell Sea, Antarctica

Research output: Chapter in Book/Report/Conference proceedingConference article in proceedingsScientific

Abstract

The field experiments on Antarctic sea ice physical properties were performed in the Weddell Sea during the two Finnish Antarctic Expeditions (FINNARP-89/90 and -91192). Altogether 86 ice cores were drilled from 19 test sites including shorefast ice and pack ice floes. The temperature, salinity and density distributions in the ice cores were measured. Ice thin sections were prepared and photographed through crossed polaroids to study the ice structural characteristics. The unconfined uniaxial compressive strength of ice was tested with 217 samples in the ambient temperatures of the examined ice floes. The tests were made in the brittle range with high strain rate in-situ or in the cold laboratories of the research vessels. Typical profiles of ice salinity, density, temperature and uniaxial compressive strength in the ice floes are presented. The results of structural classification of ice samples are given. Ice unconfined uniaxial compressive strength versus ice total porosity is illustrated.
Original languageEnglish
Title of host publicationPOAC'99. Proceedings of the 15th International Conference on Port and Ocean Engineering under Arctic Conditions. Espoo, FI, 23 - 27 August 1999. Vol. 3
Place of PublicationEspoo
PublisherHelsinki University of Technology
Pages964-974
Edition3
ISBN (Print)951-22-4619-8
Publication statusPublished - 1999
MoE publication typeB3 Non-refereed article in conference proceedings
Event15th International Conference on Port and Ocean Engineering Under Arctic Conditions - Espoo, Finland
Duration: 23 Aug 199927 Aug 1999

Publication series

SeriesTeknillinen korkeakoulu: Laivalaboratorio. Julkaisu M
NumberM-241
ISSN1236-2913

Conference

Conference15th International Conference on Port and Ocean Engineering Under Arctic Conditions
CountryFinland
CityEspoo
Period23/08/9927/08/99

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