Behavior of Destructured Natural Clays

by Serge Leroueil, Terratech Limitee, Montreal, Canada; formerly, Grad. Student, Dept. of Civ. Engrg., Laval Univ., Quebec, Canada,
Marius Roy, Assoc. Prof.; Dept. of Civ. Engrg., Laval Univ., Quebec, Canada,
Pierre La Rochelle, (M.ASCE), Prof.; Dept. of Civ. Engrg., Laval Univ., Quebec, Canada,
Francoise Brucy, Grad. Student; Dept. of Civ. Engrg., Laval Univ., Quebec, Canada,
Francois A. Tavenas, (M.ASCE), Prof.; Dept. of Civ. Engrg., Laval Univ., Quebec, Canada,


Serial Information: Journal of the Geotechnical Engineering Division, 1979, Vol. 105, Issue 6, Pg. 759-778


Document Type: Journal Paper

Abstract: Natural clays possess a structure as a result of the deposition environment, consolidation, aging, thixotropy, and cementation. To gain understanding on the relation between this structure and the behavior of natural clays, samples of three undisturbed clays have been tested in both the intact and the destructured states. The destructuration resulted in all cases in a modification of the shape of the limit state surface of the clay, in a reduction of its strength in the overconsolidated state, and in strong reductions of shear and bulk moduli.

Subject Headings: Clays | Consolidated soils | Structural behavior | Soil strength | Shear strength | Soil cement | Soil structures

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