Effect of stress path geometry on soil brittleness

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TypeArticle
Journal titleGeotechnique
ISSN0016-8505
Volume31
Issue2
Pages279287; # of pages: 9
Subjectdrained soil tests; soils; brittleness; triaxial tests; yield strength
AbstractA study has been carried out on the effect of stress path geometry on drained soil brittleness as measured in the laboratory. It shows that an explicit relationship exists between brittleness and stress path geometry for soils of given peak and post-peak strength envelopes. For the particular case of triaxial testing, four typical effective stress paths of shearing have been considered. The results indicate that the conventional drained triaxial test yields the highest brittleness, either when the stress paths are reaching failure at the same confining stress or when they start at the same consolidation pressure prior to shearing. The practical implications of the study are discussed.
Publication date
LanguageEnglish
AffiliationNRC Institute for Research in Construction; National Research Council Canada
Peer reviewedYes
IdentifierDBR-P-995
NRC number19677
100
NPARC number20378504
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Record identifier9ead2bed-514e-4056-afd0-e63b91342885
Record created2012-07-24
Record modified2016-05-09
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