A comparison of crack initiation conditions for columnar-grain and granular ice

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Conference11th International Symposium on Ice, 15-19 June 1992, Banff, Alberta
AbstractMeasurements were made of stress and strain induced in columnar-grain, type S2 ice by uniaxial stress applied perpendicular to long direction of grains in stiff testing machine. The formation of cracks was recorded concurrently with video camera. Test were carried out at -5C, -10C, -20C and -30C, at the nominal strain rates of 10(-3), 10(-4) and 10(-5) s(-1), on rectangular specimens of average grain size 2.3 to 9.2 mm. It was found that the grain size and temperature dependence of stress and strain at time of initiation of first crack was similar to that observed by Kalifax et al (1991) for granular ice.
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AffiliationNRC Institute for Ocean Technology; National Research Council Canada
Peer reviewedNo
NRC number5613
NPARC number8895148
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Record identifier268b7c44-0684-4245-8df6-d19ec0d5a41d
Record created2009-04-22
Record modified2016-05-09
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