Cyclic creep of frozen soils

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ConferenceProc. 4th Int. Symp. on Ground Freezing: 05 August 1985, Sapporo, Japan
Pages201206; # of pages: 6
SubjectPermafrost; Soils; frozen soils; creep tests; creep rate; creep; frozen saturated sand; frozen clays; alternating stress; mean static compressive stress; cyclic loading; clay strain hardening
AbstractCyclic creep behaviour of frozen saturated sand and frozen clays was studied by superimposing alternating stresses over a mean static compressive stress on the samples. Cyclic loading increased the creep rate of these materials considerably, which could be due to the increase in unfrozen water content generated by the transient thermal energy produced by mechanical cycling. The strain increment per cycle was found to increase with increasing strain in frozen sand, whereas it decreased in frozen clays, showing a tendency for strain hardening.
Publication date
AffiliationNRC Institute for Research in Construction; National Research Council Canada
Peer reviewedYes
NRC number25199
NPARC number20378138
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Record identifiercec24c67-7834-4235-935a-ce1c94588e2c
Record created2012-07-24
Record modified2016-05-09
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