Model of ice rubble pileup

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Journal titleJournal of Engineering Mechanics
Pages14960; # of pages: 90
Subjectice loads; mathematical models; floating ice pressure ridges; modelling; stochastic model; stress transfer in particulate media; equilibrium equations; mohr-coulomb criterion; failure zone determination; force prediction; ridge geometry; modèle mathématique
AbstractA model of floating ice pressure ridges is developed. A two- dimensional symmetric wedge is assumed to represent the sail (or keel) of a ridge. The stochastic model of stress transfer in particulate media and the equilibrium equations are used to determine the stress distribution. The kinematics of the problem are not considered in the analysis. The Mohr-Coulomb criterion is used to determine failure zones and consequently the limiting height and depth of the ridge. The model predicts forces in the ice cover associated with limiting ridge height and depth and gives some information about ridge geometry. The results are compared to other computation methods. Force predictions appear to be of the same order observed when floating ice impinges on wide structures.
Publication date
AffiliationNRC Institute for Research in Construction; National Research Council Canada
Peer reviewedYes
NRC number28648
NPARC number20378633
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Record identifieraee9d718-e9b3-483c-a1a8-c1610780391b
Record created2012-07-24
Record modified2016-05-09
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