Seismic soil behaviour under an earth dyke = comportement sismique du sol sous une digue de terre

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Conference11th International Conferenece on Soil Mechanics and Foundation Engineering Proceedings: 12 August 1985, San Francisco, CA, USA
Pages18531860; # of pages: 8
SubjectEarthquakes; marine clay; dikes; soil mechanics; champlain sea clay; static combined strength; sensitivity decrease; dynamic soil behaviour; seismic crosshole technique; resonant column device; cyclic triaxial tests; deformational model; argile marine; digue; mecanique des sols
AbstractIn situ and laboratory tests on a Champlain Sea clay, both under and outside an earth dyke, showed that the weight of the dyke has changed the sensitive clay into a normally consolidated clay, with an increase in static undrained strength and a decrease of sensitivity. Dynamic soil behaviour was studied using the seismic crosshole technique, the resonant column device and the cyclic triaxial apparatus. The seismic crosshole technique and the resonant column device yielded the same value of initial modulus. Cyclic triaxial tests showed that unsymmetrical cyclic shear led to a compressive failure; the strength was 90% higher than that of a symmetrical cyclic shear that led to an extension failure. A deformational model was proposed to characterize the observed soil behaviour.
Publication date
AffiliationNRC Institute for Research in Construction; National Research Council Canada
Peer reviewedYes
NRC number25044
NPARC number20358481
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Record identifier9ae59605-8543-4a37-b18c-71276a58f603
Record created2012-07-20
Record modified2016-05-09
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