http://www.cnr.it/ontology/cnr/individuo/prodotto/ID41535
Groundwater modelling of a weathered gneissic cover (Articolo in rivista)
- Type
- Label
- Groundwater modelling of a weathered gneissic cover (Articolo in rivista) (literal)
- Anno
- 2006-01-01T00:00:00+01:00 (literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
- 10.1139/t06-066 (literal)
- Alternative label
Cascini, Leonardo (a); Gullà, Giovanni (b); Sorbino, Giuseppe (a) (2006)
Groundwater modelling of a weathered gneissic cover
in Canadian geotechnical journal (Print)
(literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
- Cascini, Leonardo (a); Gullà, Giovanni (b); Sorbino, Giuseppe (a) (literal)
- Pagina inizio
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- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
- Rivista
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroFascicolo
- Note
- Scopu (literal)
- ISI Web of Science (WOS) (literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
- a. Università degli studi di Salerno: Dipartimento di Ingegneria civile
b. CNR - Istituto di Ricerca per la Protezione Idrogeologica (IRPI) (literal)
- Titolo
- Groundwater modelling of a weathered gneissic cover (literal)
- Abstract
- Knowledge of the groundwater regime, which is generally necessary in studying the stability of slopes, is of fundamental importance in the analysis of landslides involving intensely weathered rocks, as in the case of a landslide in the western Sila Massif (southern Italy) reactivated by heavy and prolonged rainfall. For this landslide, the total absence of displacements during the actual quiescence period and the long return period of the critical rainfall events did not allow measurement of the critical pore pressures capable of reactivating the landslide. To solve such a problem, a saturated-unsaturated flow model was calibrated taking into account in situ pore pressure measurements acquired over a long period of time. The analyses permitted determination of the role played by the hydraulic heterogeneity of the involved soils and the hydraulic boundary conditions for simulation of the response of in situ pore pressures to rainfall. Such conditions were therefore used to predict the critical unknown values attained during landslide reactivations and were indirectly tested using different models.Key words: landslide, weathered rocks, groundwater monitoring, unsaturated-saturated flow model, rainfall, critical pore pressures. (literal)
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