Stability of Slopes by Method of Characteristics

by A. Siva Reddy, Prof. of Civ. Engrg.; Indian Inst. of Science, Bangalore 560012 India,
K. N. Venkatakrishna Rao, Asst. Prof. of Civ. Engrg.; Government B.D.T. College of Engrg., Davangere 570004, India,

Serial Information: Journal of the Geotechnical Engineering Division, 1982, Vol. 108, Issue 9, Pg. 1182-1186

Document Type: Journal Paper


The method of characteristics with some simplifying assumptions is made applicable for analyzing a given straight slope. By assuming that the mobilized shear strength varies with depth, and treating the whole soil mass as a series of layers, factors of safety of a given slope at different heights and a series of lines with different mobilized shear strength are obtained. The results show that the factors of safety obtained by the present method are lower than those obtained by friction circle method.

Subject Headings: Shear strength | Soil strength | Slope stability | Slopes | Soil treatment | Safety | Friction

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