Slope stability analysis is performed to assess the safe design of a human-made or natural slopes and the equilibrium conditions. Article shared by: ADVERTISEMENTS: An earthen dam usually fails due to sliding of large soil mass from a curved surface. 10, No. The forces between the slices are considered negligible; and it is also assumed that each slice acts independently as a vertical soil column of unit thickness and … Stability Analysis of Slope of Earthen Dam: 4 Methods | Geography. The natural conditions of the dam slope stability have a long and huge impact, the rainfall on dam slope stability for a detailed analysis. SLOPE STABILITY ANALYSIS OF AN EARTH DAM Diyala Journal of Engineering Sciences, Vol.

A slope stability analysis is performed and the Factor of safety of the dam embankment is calculated by using the Shear Strength Reduction Technique. Upstream Slope under Sudden Drawdown 4. Downstream under Steady Seepage 2. The study showed the values of factor of safety for upstream slope increase for a low rate of reservoir drawdown (3). Because of this case of elastic-plastic model of iterative calculation is very complex, so take the elastic model, and not by strength reduction method, and the use of rigid body limit equilibrium method. The pore water pressure is described with Darcy’s law and the Mohr-Coulomb constitutive model is used to describe the soil behavior. The nonlinear Unified Strength Theory ( UST ), which takes into account the effect of intermediate stress and nonlinear behavior on geotechnical strength, is applied in slope stability analysis of earth-rockfill dams ( ERD ) in this paper. Seepage analysis is divided into two stages: steady state analysis and transient analysis. In addition, for comparison reasons, a Slope Stability Analysis of the Carsington Earth Embankment Dam during loading case (a) using …

In this method to analyse the slope stability, the total earth fill is divided into several vertical segments called slice, which are equally spaced, though it is not necessary. slope stability analysis used in geotechnical practice investigate the equilibrium of a soil mass tending to move downslope under the influence of gravity. From several investigations, it has been concluded that the sliding of curved surface takes place along its slip surface, which is normally close to the cylindrical shape, i.e. The failure of a slope may lead to loss of life and property. The stability of slopes of earth dams is checked under the following conditions: 1.

From the analysis we can see the From the analysis we can see the critical zone clearly outlined as to the left of the nose of the hill.