Numerical modelling of Plio-Quaternary slope evolution based on geological constraints: a case study from the Caramanico Valley (Central Apennines, Italy). (Articolo in rivista)

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  • Numerical modelling of Plio-Quaternary slope evolution based on geological constraints: a case study from the Caramanico Valley (Central Apennines, Italy). (Articolo in rivista) (literal)
Anno
  • 2011-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1144/SP351.11 (literal)
Alternative label
  • Bianchi Fasani G.*, Di Luzio E.**, Esposito C*, Martino S.*, Scarascia-Mugnozza G*. (2011)
    Numerical modelling of Plio-Quaternary slope evolution based on geological constraints: a case study from the Caramanico Valley (Central Apennines, Italy).
    in Geological Society, London, special publications (Online); The Geological Society of London, London (Regno Unito)
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Bianchi Fasani G.*, Di Luzio E.**, Esposito C*, Martino S.*, Scarascia-Mugnozza G*. (literal)
Pagina inizio
  • 201 (literal)
Pagina fine
  • 214 (literal)
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  • Special Publications 351 (literal)
Rivista
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#note
  • DOI: 10.1144/SP351.11 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#pagineTotali
  • 14 (literal)
Note
  • Scopu (literal)
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  • * Dipartimento di Scienze della Terra, Universit√† \"La Sapienza\" ** CNR-ITABC Istituto per le Tecnologie Applicate ai Beni Culturali (literal)
Titolo
  • Numerical modelling of Plio-Quaternary slope evolution based on geological constraints: a case study from the Caramanico Valley (Central Apennines, Italy). (literal)
Abstract
  • Evidence of deep-seated gravitational slope deformations (DSGSD) and of large prehistoric landslides is fairly widespread within the Central Apennines (Italy). These gravityinduced processes accompanied the intense Plio-Quaternary uplift phases that affected the mountain chain. In this study a multidisciplinary approach has been adopted in order to better constrain the relationship between the tectonic evolution and the gravitational morphogenesis of a typical Apennine morphostructure, such as the Caramanico Valley. For this purpose a conceptual model of the morphostructural evolution of the area has been reconstructed, on the basis of geological constraints derived by the integration of detailed geological-structural and geomorphological surveys with available literature data. Based on this evolutionary model, a multistage numerical modelling using the finite difference method code FLAC 6.0 has been performed in order to: (i) evaluate the effect of the uplift-related morphological changes of the valley-slope system; and (ii) assess the role of the horizontal/vertical stress ratio variations due to geodynamic regime shifts. The results of the numerical model show a good fit with the actual geomorphical evidence and also confirm the presence during some evolutionary stages of stress-strain conditions compatible with those necessary to produce the massive rock slope failures testified by the presence of large palaeo-landslide deposits. (literal)
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