ABSTRACT
This chapter discusses the principles of the theoretical work, and demonstrates the application in design charts and in the results of computer analyses. It addresses the stability of slopes in two dimensions, and assumes that the slope can be modeled as a unit slice through an infinitely long slope, under plane-strain conditions. The chapter concerns solely with the limit equilibrium method of analysis in which the factor of safety is defined by the ratio of the resisting to the displacing forces on the slide surface. The circular failure charts presented in it produces by running a search routine to find the most critical combination of slide surface and tension crack for each of a wide range of slope geometries and ground water conditions. The charts corresponds to the lower bound solution for the factor of safety, obtained by assuming that the normal load is concentrated on a single point on the slide surface.
