Hypothesis for Progressive Failure in a Marlby Spyros Cavounidis, (A.M.ASCE), Lect.; Dept. of Civ. Engrg., Imperial Coll., Univ. of London, London, England,
Elias Sotiropoulos, (M.ASCE), Dir.; Geomechaniki, S.A., Athens, Greece,
Serial Information: Journal of the Geotechnical Engineering Division, 1980, Vol. 106, Issue 6, Pg. 659-671
Document Type: Journal Paper
The failure of cut slopes in the overconsolidated Epirus blue marl led to the investigation and classification of its properties. The stress-strain curves of a sizable number of samples exhibited irregular behavior. The main type of irregularity was the existence of a stress plateau intermediate between the peak and the residual strength. The possible implications of this type of behavior on the mechanism of progressive failure of slopes are examined. The main conclusion is that it is possible that a slide may occur along the slip surface of an apparently stabilized previous slope failure while the shear strength is further reduced down to its final residual level.
Subject Headings: Failure analysis | Progressive collapse | Residual strength | Shear strength | Shear failures | Stress strain relations | Slopes | Overconsolidated soils
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