Articles | Volume 15, issue 8
https://doi.org/10.5194/nhess-15-1835-2015
https://doi.org/10.5194/nhess-15-1835-2015
Research article
 | 
18 Aug 2015
Research article |  | 18 Aug 2015

A method for predicting the factor of safety of an infinite slope based on the depth ratio of the wetting front induced by rainfall infiltration

B.-G. Chae, J.-H. Lee, H.-J. Park, and J. Choi

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Short summary
This study presents a modified equation of infinite slope stability analysis based on the concept of the saturation depth ratio associated with the rainfall. A rainfall infiltration test was performed using an unsaturated soil column to understand the effect of the saturation depth ratio. The proposed model was applied to assess its feasibility and to develop a regional landslide susceptibility map using a GIS. The approach in this study showed better performance than the steady-state approach.
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