Since 1920, recurrent collapses and earth-flows have interested the Rotolon torrent. The last one occurred in November 2010 when about 320,000 m(3) detached in the triggering zone and flowed for more than 4 km. This paper deals with the calibration of two numerical models developed for the analysis of flow-like landslide propagation, both using SPH as computational method. For describing the flowing mass behavior it was adopted the Voellmy rheological model calibrated on the base of two LiDAR surveys captured just before and after the event.
Applicability of two propagation models to simulate the rotolon earth-flow occurred in November 2010
COLA, SIMONETTA;BREZZI, LORENZO;
2015
Abstract
Since 1920, recurrent collapses and earth-flows have interested the Rotolon torrent. The last one occurred in November 2010 when about 320,000 m(3) detached in the triggering zone and flowed for more than 4 km. This paper deals with the calibration of two numerical models developed for the analysis of flow-like landslide propagation, both using SPH as computational method. For describing the flowing mass behavior it was adopted the Voellmy rheological model calibrated on the base of two LiDAR surveys captured just before and after the event.
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