Abstract
AbstractThe slope of soil embankment near the port is subjected to fluctuation in water level, seismic load, dynamic vehicular load, and superstructure load. So the combined effect of these loading poses a threat to slope stability of soil embankment. In this study, dynamic vehicle load and superstructure load are not considered. This paper presents a common solution which is micropiles for slope stability when sloped soil embankment is subjected to either seismic loading or a combination of seismic and tidal loading. M-C criteria and Geoslope software are used for analysis. Slope stability theories namely Bishop, Fellenius, Janbu, and Spencer are considered for finding factors of safety. JNPT, Mumbai bore log data, Mumbai tidal, and seismic data are used for investigation. Using Bishop’s theory variation in the factor of safety with a surcharge is examined at horizontal seismic coefficients 0.225 and 0.16 (zone III cities), respectively, for seismic loading and combination of seismic and tidal loading. It is observed that a non-linear relationship exists between the factor of safety and surcharge for both cases.KeywordsSlope stabilitySeismic and tidal loadingMicro-pilesSurcharge effect
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