Abstract
The terrestrial laser scanner enables site remote sensing of the slopes in a simple and automated manner. Regular measurements with multiple scanner positioning might be applied in long term landslide monitoring. A detailed geological structural model allows for hazard assessment, and then for a slope stability assessment. Numerical model, along with the subsoil parameters, introduced into the Finite Element Method (FEM) software enables an estimation of landslide susceptibility and the possible displacements of the terrain in longer period of time, as well as, due to different loading cases. In this paper the formation of landslides and stability of the slope after the retaining structure establishment is analysed. Two analysed landslides have different origin and may be a threat even after stabilization works already maintained.
Highlights
In the south of Poland where Carpathian Mountains are located, about 95% of all landslides registered in Poland have been identified and are currently being recorded
In the most susceptible regions of the Carpathians, about 40% of the area is covered by landslides or other forms of soil/rock mass movements
Fig. 2. 3D Finite Element Method (FEM) numerical model of the slope based on the terrestrial laser scanner survey
Summary
In the south of Poland where Carpathian Mountains are located, about 95% of all landslides registered in Poland have been identified and are currently being recorded. In the most susceptible regions of the Carpathians, about 40% of the area is covered by landslides or other forms of soil/rock mass movements. The average slope of its mountains ranges from 15 to 35%, and the deep slots of the area with valleys and significant differences in height are conducive to the formation or the activation of soil/rock mass movements. These two landslides have been the subject of stability analysis described in this paper.
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