http://www.cnr.it/ontology/cnr/individuo/prodotto/ID28619
Application of large-scale ring shear tests to the analysis of tsunamigenic landslides at the Stromboli volcano, Italy (Articolo in rivista)
- Type
- Label
- Application of large-scale ring shear tests to the analysis of tsunamigenic landslides at the Stromboli volcano, Italy (Articolo in rivista) (literal)
- Anno
- 2009-01-01T00:00:00+01:00 (literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
- 10.1007/s10346-009-0155-6 (literal)
- Alternative label
Boldini D., Wang F., Sassa K., Tommasi P. (2009)
Application of large-scale ring shear tests to the analysis of tsunamigenic landslides at the Stromboli volcano, Italy
in Landslides (Berl., Print)
(literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
- Boldini D., Wang F., Sassa K., Tommasi P. (literal)
- Pagina inizio
- Pagina fine
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
- Rivista
- Note
- ISI Web of Science (WOS) (literal)
- Scopu (literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
- Boldini D., DICMA Università Bologna
Wang F., Kyoto University
Sassa K., Kyoto University
Tommasi P., CNR-IGAG (literal)
- Titolo
- Application of large-scale ring shear tests to the analysis of tsunamigenic landslides at the Stromboli volcano, Italy (literal)
- Abstract
- The island of Stromboli (Southern Italy) is a 4,000-m-high
volcanic edifice about 900 m above sea level. Most of the NW
flank is formed by a wide scar (Sciara del Fuoco) filled by
irregular alternations of volcaniclastic layers and thin lava flows.
Between 29 and 30 December 2002, a submarine and a subaerial
landslide involved the northernmost part of the Sciara del Fuoco
slope and caused two tsunami waves with a maximum run-up of
10 m. Mechanisms of the rapid submarine landslide and the
preceding deformation of the subaerial and submarine slope were
investigated using large-scale ring shear tests on the saturated and
dry volcaniclastic material. The shear behaviour of the material
under different drainage conditions was analysed during tests
conducted at DPRI, Kyoto University. Pore pressure generation,
mobilised shear strength and grain crushing, within a range of
displacements encompassing the different stages of evolution of
the slope, were considered. Experimental results suggest that even
at larger displacements, shear strength of the dry material
explains the virtual stability of the slope. Conversely, full or
partial liquefaction can be invoked to explain the submarine
failure and the subsequent long runout (more than 1,000 m) of
the failed materials. (literal)
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