Abstract
AbstractFrom the major earthquakes in hilly areas, the researchers have focused on the need of consideration of vertical seismic acceleration component in seismic slope stability analysis. The conventional pseudo-static method is quite common because of its simplicity. The earthquake force is considered as an equivalent static force (two seismic acceleration components) within the soil mass. The horizontal seismic acceleration coefficient is always considered acting away from the slope and the criticality of the direction of vertical seismic acceleration coefficient depends on the soil properties. The conventional pseudo-static method is considered in this study. The variation of factor of safety due to change in direction of vertical seismic coefficient for different soil properties is examined. Moreover, the critical direction of vertical seismic coefficient (kv) for different types of soil has been investigated throughout this study.KeywordsFactor of safetyPseudo-static methodSeismic slope stabilityType of soil
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