Effect of sample preparation on the strength of artificially frozen sand

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ConferenceProc. 4th Int. Symp. on Ground Freezing: 05 August 1985, Sapporo, Japan
Pages171176; # of pages: 6
SubjectPermafrost; Soils; frozen soils; sand; samples; mechanical properties; frozen sand specimens; wet rodding; multiple-sieve pluviation; unconfined compression tests; strain hardening
AbstractWet rodding and multiple-sieve pluviation methods of controlling sand density in the preparation of frozen sand specimens for strength testing are compared. Multiple-sieve pluviation provides homogeneous, reproducible specimens at various dry densities. Unconfined compression tests indicate consistent strength data for specimens prepared by multiple-sieve pluviation, but significant scatter for compacted samples prepared by the wet rodding method. For the testing conditions reported in this paper the stress- strain behaviour of frozen sand specimens was dependent on initial dry density; at low densities, strain softening with constant peak stress was observed. For higher densities, the samples exhibited strain hardening behaviour, peak stress increasing linearly with density.
Publication date
AffiliationNRC Institute for Research in Construction; National Research Council Canada
Peer reviewedYes
NRC number25198
NPARC number20377444
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Record identifier04b51e3c-c695-482f-9f7c-84ba99a406a9
Record created2012-07-24
Record modified2016-05-09
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