End Effects on Stability of Cohesive Slopes

by Mohsen M. Baligh, Asst. Prof. of Civ. Engrg.; Massachusetts Inst. of Tech, Cambridge, Mass.,
Amr S. Azzouz, Research Asst.; Massachusetts Inst. of Tech., Cambridge, Mass.,

Serial Information: Journal of the Geotechnical Engineering Division, 1975, Vol. 101, Issue 11, Pg. 1105-1117

Document Type: Journal Paper


The concept of the two-dimensional circular arc method of stability analysis is extended to three-dimensional slope stability problems. End effects on the stability of cohesive slopes due to failure along a finite length are evaluated by means of a computer program STAB3D developed for this purpose. As an application of the technique, two cases are considered: (1) The toe failure of a vertical cut where typical end effects are illustrated; and (2) the toe failure of a slope with any angle β when a finite length of failure is imposed. The stability of a test section embankment loaded to failure is analyzed.

Subject Headings: Failure analysis | Slope stability | Two-dimensional analysis | Three-dimensional analysis | Load tests | Failure loads | Computer software | Slopes

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