Abstract
Seismic analysis of soil slopes is required to get safe value for slope design. Especially in earthquake zones. Normally a variation in factor of safety values is observed in normal analysis of a slope where seismic coefficients are kept zero as compare to seismic analysis where seismic coefficients are considered in the analysis. In this research, seismic horizontal coefficients are used to find the factors of safety. Correlations are developed between factor of safety values and seismic coefficients. The correlation can be used to find the factor of safety in any slope stability project for a homogenous slope. The outcome of this work are the correlations. These correlations can be used to find the factor of safety values considering horizontal seismic coefficient, vertical seismic coefficient and both.
Highlights
The regions where earthquake and ground vibration is of much concern, the seismic analysis is having more importance compare to the regions where earthquakes are very rare and in low concentration
This paper is related to the seismic analysis of a soil slope
While the vertical seismic coefficients are in range of 0.0125 to 0.05
Summary
In most of the engineering design projects, there are always two types of consideration. The seismic analysis are always different than the normal non-seismic analysis. The regions where earthquake and ground vibration is of much concern, the seismic analysis is having more importance compare to the regions where earthquakes are very rare and in low concentration. This paper is related to the seismic analysis of a soil slope. Twenty-four number of analysis was performed on a predefined slope. The angle of repose was varied from 30 to 45 degrees during this analysis. The horizontal seismic coefficient was 0.05 minimum and 0.15 maximum as recommended in the paper (Cristiano, 2004). While the vertical seismic coefficients are in range of 0.0125 to 0.05
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