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The paper presents the modelling and assessment of a road embankment body after different construction phases using the finite element method (FEM) and the limit equilibrium method (LEM) for slope stability assessment. Different material models of soil (Mohr-Coulomb, Modified Mohr-Coulomb and Drucker-Prager) were used for modelling and assessment by FEM method. The deformation of the subsoil and the embankment was determined for each construction phases and the stability of the embankment slopes was assessed. The results obtained were compared with respect to the soil material model used as well as with respect to the calculation method used. In conclusion, it was found that it is more appropriate to use non-linear material models for stability calculations. [ABSTRACT FROM AUTHOR]

The paper is focused on the assessment and analysis of slope stability. Slope stability analysis are generally aimed at determining the factor of slope stability for which the slope is safe. The key design parameters for assessment of slope stability are the shear stress parameters of soil. The aim of the parametric study was assessment and analysis the slope stability in fine-grained soil and point to the influence of shear strength parameters and change height of slope on the resulting factor of safety. According to this parametric study we can also monitor which of these parameters has a more significant effect on the resulting factor of safety. The results points to a decrease in the differences in the values of the calculated degrees of stability with respect to the increasing height of the slope, and also that this decrease is more pronounced when the cohesion of the soil changes. [ABSTRACT FROM AUTHOR]