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A procedure to account for machine stiffness in uni-axial compression tests

From National Research Council Canada

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  1. National Research Council of Canada
FormatText, Article
ConferenceIAHR, 7th International Symposium on Ice, August 27-31, 1984, Hamburg, West Germany
Subjectice; testing equipment; stiffness; uniaxial compression; ice uniaxial compression tests; test process modelling; correction formula
Abstract
It is well established that test machine stiffness can influence the results in uni-axial compression tests on ice. This comes about because the conventional compression machines are not substantially stiffer than the piece of ice under test; hence the test becomes a complicated ice- structure interaction process. In this note, a simple model of this process is outlined and the defining equations are established. This yields a correction formula which accounts for the stiffness of the test machine. The model is checked for both columnar freshwater ice and granular sea ice by comparing the corrected strength values for three different test machines with those measured using a high-capacity closed-loop test machine.
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  • IAHR 7th International Symposium on Ice, Proceedings 1 (1984): 39–47.
NoteAuthors affiliated with the NRC Division of Building Research at time of publication
Also published as a reprint, DBR paper no. 1294 (issn: 0381-4319)
LanguageEnglish
Peer reviewedYes
IdentifierDBR-P-1294
NRC numberNRCC 24681
NRC-IRC-337
NPARC number20375290
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Record identifierd8b7148a-0a29-41ef-8bc9-b37bcb113a44
Record created2012-07-23
Record modified2023-11-28
Date modified: