Articles | Volume 24, issue 4
Technical note
07 Apr 2020
Technical note |  | 07 Apr 2020

Technical note: The beneficial role of a natural permeable layer in slope stabilization by drainage trenches

Gianfranco Urciuoli, Luca Comegna, Marianna Pirone, and Luciano Picarelli


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Short summary
The aim of this paper is to demonstrate, through a numerical approach, that the presence of soil layers of higher permeability, a not unlikely condition in some deep landslides in clay, may be exploited to improve the efficiency of systems of drainage trenches for slope stabilization. The problem has been examined for the case that a unique pervious layer, parallel to the ground surface, is present at an elevation higher than the bottom of the trenches.