Abstract
Landslide is a commonly occurring natural disaster and also a societal hazard in the world. Rainfall is considered as one of the major triggering factors for cause of landslide slope failures. In the present study, a constitutive model is proposed and analyzed using mathematical theory, which deals better with geomorphic changes causing landslides. The constitutive behavior of soil is characterized along the planar shear plane and comprised of different soil properties with different strength parameters. The stiffness parameter of the soil along the shearing plane is analyzed to study the effect of infiltration and seepage of rainfall. The impact of water seepage on the stability analysis of landslide were discussed with importance. The present study shows the results that rainfall infiltration on the slope and the difference in the water level can tremendously influence the stability of landslide.
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