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This paper examines the capability of a least square support vector machine (LSSVM) model for slope stability analysis. LSSVM is firmly based on the theory of statistical learning, using regression and classification techniques. The Factor of Safety (FS) of the slope has been modelled as a regression problem, whereas the stability status (s) of the slope has been modelled as a classification problem. Input parameters of LSSSVM are: unit weight (γ), cohesion (c), angle of internal friction (ϕ), slope angle (β), height (H) and pore water pressure coefficient (ru). The developed LSSVM also gives a probabilistic output. Equations have also been developed for the slope stability analysis. A comparative study has been carried out between the developed LSSVM and an artificial neural network (ANN). This study shows that the developed LSSVM is a robust model for slope stability analysis.
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Pijush Samui
D. P. Kothari
Scientia Iranica
Vellore Institute of Technology University
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Samui et al. (Tue,) studied this question.
www.synapsesocial.com/papers/6a0ea4541c5e2d2319f9a787 — DOI: https://doi.org/10.1016/j.scient.2011.03.007