Abstract
The aim of this paper to study the seismic bearing capacity of embedded strip footing on cohesionless soil slopes. In addition, elastic settlement of strip footing on slopes is also examined, which is not yet studied in the literature. Three-dimensional finite element method (3D-FEM)-based numerical analysis in PLAXIS 3D software is carried out for the present investigation. The strip footing located at the horizontal surface is considered first and then the effect of the slope angle is studied. The effect of slope angle, embedment depth and load intensity of footing on slopes are presented in the present study. The results obtained from the present numerical study are compared with available past results in the literature. A strip footing located on the face of the stable granular slopes (β = 20° and 30°) is considered. The seismic bearing capacity in terms of bearing capacity factor is determined. A significant reduction of bearing capacity factor is observed due to the presence of slopes. However, the influence of slope angles on the elastic settlement of strip footing is reported for a constant load and foundation geometry. From the obtained results, as expected the maximum settlement is observed at the center. The elastic settlement of the footing is not significantly dependent on slope angles.
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