The mechanics of mudslides as a cyclic undrained-drained process

Authors: Comegna, Luca¹; Picarelli, Luciano²; Urciuoli, Gianfranco³

Source: Landslides, Volume 4, Number 3, September 2007 , pp. 217-232(16)

Publisher: Springer

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Abstract:

Data collected by monitoring suggest that the movement of mudslides essentially develops through alternating stages of undrained-drained deformation. Undrained conditions are established as a consequence of landslide mobilisation or reactivation. Every acceleration phase is followed by progressive deceleration associated with dissipation of excess pore pressure. This paper reports the results of some simple numerical analyses performed to investigate the role of pore pressure on mudslide behaviour.

Keywords: Mudslide; Mechanics; Excess pore pressure; Analysis; Monitoring

Document Type: Research article

DOI: http://dx.doi.org/10.1007/s10346-007-0083-2

Affiliations: 1: Email: luca.comegna@unina2.it 2: Email: luciano.picarelli@unina2.it 3: Email: gianurci@unina.it

Publication date: 2007-09-01