Displacement Evolution of a Large Landslide in a Highly Fissured Clay

Risultato della ricerca: Conference contribution

1 Citazione (Scopus)

Abstract

The paper presents an analysis and modelling of the reactivation mechanism of a large landslide caused by rainfall, located in Cerda (Sicily, Italy). The study is based on data collected by means of a field investigation, carried out in order to assess the geotechnical properties of the involved material, and a three-year monitoring programme implemented to measure rain and pore water pressures as well as deep and superficial displacements. Three distinct landslides, evolving at variable rates in different directions, were recognized within the overall landslide area. The data clearly show the mechanical role of pore water pressures in the stability of the slope and point out the dependence of the evolution of displacements on pore water pressure fluctuations. A conceptual and simplified approach is applied to one of the landslides in order to model the time evolution of displacements as a function of pore water pressure on the sliding surface. The model analyses displacement evolution taking into account the viscous forces on the slip surface, assuming infinite slope conditions. The displacements calculated by the model are in good agreement with the measured ones.
Lingua originaleEnglish
Titolo della pubblicazione ospiteLecture Notes in Civil Engineering
Pagine195-204
Numero di pagine10
Stato di pubblicazionePublished - 2020

Serie di pubblicazioni

NomeLECTURE NOTES IN CIVIL ENGINEERING

Fingerprint

landslide
porewater
clay
geotechnical property
reactivation
sliding
rainfall
monitoring
modeling

All Science Journal Classification (ASJC) codes

  • Civil and Structural Engineering

Cita questo

Ziccarelli, M., Rosone, M., & Ferrari, A. (2020). Displacement Evolution of a Large Landslide in a Highly Fissured Clay. In Lecture Notes in Civil Engineering (pagg. 195-204). (LECTURE NOTES IN CIVIL ENGINEERING).

Displacement Evolution of a Large Landslide in a Highly Fissured Clay. / Ziccarelli, Maurizio; Rosone, Marco; Ferrari, Alessio.

Lecture Notes in Civil Engineering. 2020. pag. 195-204 (LECTURE NOTES IN CIVIL ENGINEERING).

Risultato della ricerca: Conference contribution

Ziccarelli, M, Rosone, M & Ferrari, A 2020, Displacement Evolution of a Large Landslide in a Highly Fissured Clay. in Lecture Notes in Civil Engineering. LECTURE NOTES IN CIVIL ENGINEERING, pagg. 195-204.
Ziccarelli M, Rosone M, Ferrari A. Displacement Evolution of a Large Landslide in a Highly Fissured Clay. In Lecture Notes in Civil Engineering. 2020. pag. 195-204. (LECTURE NOTES IN CIVIL ENGINEERING).
Ziccarelli, Maurizio ; Rosone, Marco ; Ferrari, Alessio. / Displacement Evolution of a Large Landslide in a Highly Fissured Clay. Lecture Notes in Civil Engineering. 2020. pagg. 195-204 (LECTURE NOTES IN CIVIL ENGINEERING).
@inproceedings{f6057f0d8cbb4e2da5a7f62ad984cea5,
title = "Displacement Evolution of a Large Landslide in a Highly Fissured Clay",
abstract = "The paper presents an analysis and modelling of the reactivation mechanism of a large landslide caused by rainfall, located in Cerda (Sicily, Italy). The study is based on data collected by means of a field investigation, carried out in order to assess the geotechnical properties of the involved material, and a three-year monitoring programme implemented to measure rain and pore water pressures as well as deep and superficial displacements. Three distinct landslides, evolving at variable rates in different directions, were recognized within the overall landslide area. The data clearly show the mechanical role of pore water pressures in the stability of the slope and point out the dependence of the evolution of displacements on pore water pressure fluctuations. A conceptual and simplified approach is applied to one of the landslides in order to model the time evolution of displacements as a function of pore water pressure on the sliding surface. The model analyses displacement evolution taking into account the viscous forces on the slip surface, assuming infinite slope conditions. The displacements calculated by the model are in good agreement with the measured ones.",
author = "Maurizio Ziccarelli and Marco Rosone and Alessio Ferrari",
year = "2020",
language = "English",
isbn = "978-3-030-21358-9; 978-3-030-21359-6",
series = "LECTURE NOTES IN CIVIL ENGINEERING",
pages = "195--204",
booktitle = "Lecture Notes in Civil Engineering",

}

TY - GEN

T1 - Displacement Evolution of a Large Landslide in a Highly Fissured Clay

AU - Ziccarelli, Maurizio

AU - Rosone, Marco

AU - Ferrari, Alessio

PY - 2020

Y1 - 2020

N2 - The paper presents an analysis and modelling of the reactivation mechanism of a large landslide caused by rainfall, located in Cerda (Sicily, Italy). The study is based on data collected by means of a field investigation, carried out in order to assess the geotechnical properties of the involved material, and a three-year monitoring programme implemented to measure rain and pore water pressures as well as deep and superficial displacements. Three distinct landslides, evolving at variable rates in different directions, were recognized within the overall landslide area. The data clearly show the mechanical role of pore water pressures in the stability of the slope and point out the dependence of the evolution of displacements on pore water pressure fluctuations. A conceptual and simplified approach is applied to one of the landslides in order to model the time evolution of displacements as a function of pore water pressure on the sliding surface. The model analyses displacement evolution taking into account the viscous forces on the slip surface, assuming infinite slope conditions. The displacements calculated by the model are in good agreement with the measured ones.

AB - The paper presents an analysis and modelling of the reactivation mechanism of a large landslide caused by rainfall, located in Cerda (Sicily, Italy). The study is based on data collected by means of a field investigation, carried out in order to assess the geotechnical properties of the involved material, and a three-year monitoring programme implemented to measure rain and pore water pressures as well as deep and superficial displacements. Three distinct landslides, evolving at variable rates in different directions, were recognized within the overall landslide area. The data clearly show the mechanical role of pore water pressures in the stability of the slope and point out the dependence of the evolution of displacements on pore water pressure fluctuations. A conceptual and simplified approach is applied to one of the landslides in order to model the time evolution of displacements as a function of pore water pressure on the sliding surface. The model analyses displacement evolution taking into account the viscous forces on the slip surface, assuming infinite slope conditions. The displacements calculated by the model are in good agreement with the measured ones.

UR - http://hdl.handle.net/10447/389285

UR - http://www.springer.com/series/15087

M3 - Conference contribution

SN - 978-3-030-21358-9; 978-3-030-21359-6

T3 - LECTURE NOTES IN CIVIL ENGINEERING

SP - 195

EP - 204

BT - Lecture Notes in Civil Engineering

ER -