Field measurements of the shear strength of columnar- grained sea ice

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Conference8th IAHR Int. Symp. Ice: 18 August 1986, Iowa City, Iowa, USA
Pages27992; # of pages: 188
Subjectice; sea water; field tests; asymmetric four-point loading method; r.v. "polarstern" ice breaking trials; brine volume; air content; ice temperature; grain-structure effects; eau de mer; essai en place
AbstractThe asymmetric four-point loading method was used successfully to measure the shear strength of columnar- grained sea ice. The tests were performed during the icebreaking trials of the R.V. "Polarstern" off the Labrador coast in May 1984. Brine volume, air content, ice temperature, and grain-structure effects on shear strength were investigated. Shear strength values were between 550 kPa and 900 kPa, depending on total porosity and grain orientation with respect to the loading direction.
Publication date
AffiliationNRC Institute for Research in Construction; National Research Council Canada
Peer reviewedYes
NRC number26716
NPARC number20338026
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Record identifier503c7f9b-49da-4f87-8530-55266d4108a8
Record created2012-07-19
Record modified2016-05-09
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