http://www.cnr.it/ontology/cnr/individuo/prodotto/ID270543
Field study and bidimensional numerical simulation of runout and deposition of La Marogna rockslide (Vicenza, Italy) (Contributo in atti di convegno)
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- Label
- Field study and bidimensional numerical simulation of runout and deposition of La Marogna rockslide (Vicenza, Italy) (Contributo in atti di convegno) (literal)
- Anno
- 2013-01-01T00:00:00+01:00 (literal)
- Alternative label
Pia Rosella Tecca, Andrea Maria Deganutti, Rinaldo Genevois, Marco Dal Prà (2013)
Field study and bidimensional numerical simulation of runout and deposition of La Marogna rockslide (Vicenza, Italy)
in Intenational Conference on Vajont 1963-2013. Thoughts and analyses after 50 years since the catastrophic landslide, Padova - Italia, 8-10 Ottobre 2013
(literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
- Pia Rosella Tecca, Andrea Maria Deganutti, Rinaldo Genevois, Marco Dal Prà (literal)
- Pagina inizio
- Pagina fine
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#titoloVolume
- Intenational Conference on Vajont 1963-2013. Thoughts and analyses after 50 years since the catastrophic landslide (literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
- CNR-IRPI, Università di Padova Dipartimento di Scienze della Terra (literal)
- Titolo
- Field study and bidimensional numerical simulation of runout and deposition of La Marogna rockslide (Vicenza, Italy) (literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#isbn
- 978-88-95814-96-4 (literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#curatoriVolume
- Genevois R., Prestininzi A. (literal)
- Abstract
- The study of ancient major rock slope instabilities may help in the detection of the conditions leading to their development, so
that consequences and possible prevention and mitigation actions can be envisaged.
In this paper, numerical studies have been carried out to recognize the behavior of a rock slope and the kinematics of a rock
slide/avalanche in the north-eastern Italian Alps. The \"La Marogna\" rock avalanche, in the Vicenza Province (Venetian Pre-Alps,
North-Eastern Italy), with a volume of about 17*106 m3 still partially dams the narrow valley of the Astico River. Geomorphological
investigations highlight that the whole rock avalanche mass is formed by two distinct overlapping bodies and that apparent poor
stability conditions characterize the slope above the present main scarp.
In order to get indications about triggering factors and present stability conditions, a representative engineering geological
model has been built and analyses of the triggering conditions have been performed using the bi-dimensional continuum (FLAC) and
discontinuum (UDEC) codes UDEC on the re-constructed original slope profile. Different situations have been simulated for gaining
a better understanding of the effect of static and dynamic loads on the modeled rock slope.
The numerical results indicate that the effect of a contemporary dynamic loading and joint friction decrease results in the
instability of a rock mass limited at its bottom by both bedding and a pre-existing discontinuity. (literal)
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