The study supported the design of slope stabilization and road embankment restoration works along the S.P. 90, in the Ponte Casletto Vecchio area (Municipality of Cossogno, VB). This road had a persistent crack caused by the instability of the underlying rock mass on which the roadway is founded.
To assess slope stability, terrestrial laser scanning surveys were carried out, enabling the acquisition of a high-density point cloud and the reconstruction of a vegetation-filtered digital terrain model. Based on these data, detailed topographic outputs were produced, including georeferenced 3D models, contour maps, and slope profiles.
The analysis of the 3D model allowed for a geomechanical characterization of the rock mass, identifying the main discontinuity sets and reconstructing the potential failure surface of the unstable portion. Potential failure mechanisms were also analyzed, including planar sliding, wedge sliding, and toppling, while key geomechanical parameters were derived to support the design of mitigation and stabilization measures for the roadway.
