Abstract:
Several simplified methods of analyzing the stability of soil slopes are discussed. The methods are uncomplicated and are suitable for field application by designers whose background in soil mechanics is limited. The following methods, all based on long-term stability, are included: (a) infinite slope equations for analyzing the stability of natural slopes with or without seepage parallel to the surface slope, (b) stability number chart for analyzing the stability of a cut slope superimposed on a natural slope without seepage conditions, (c) stability number chart (seepage) for analyzing the stability of a cut slope superimposed on a natural slope that has seepage conditions, and (d) simplified stability analysis of a specific failure surface uses only the conditions at the center of gravity of the soil mass above the failure surface and the infinite slope equations of item a. The procedure, sample applications, and comparisons to the ordinary method of slices and simplified Bishop's method are given.
Supplemental Notes:
Proceedings of a work shop held June 16-19, 1975, in Boise, Idaho by the Transportation Research Board.
