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The Cassas Landslide and Its Impacts on an International and Olympic Transportation Corridor: Studies, Monitoring, Solution and Crisis Plans

  • Franco OboniEmail author
  • Claudio Angelino
  • Bartolomeo Visconti
Chapter

Abstract

The Cassas landslide is located in NW Italian Alps and impinges on a corridor encompassing main transportation lines between Italy and France, hydro facilities and a village. The largest potential reactivation phenomenon is considered to be of approximately 10 Mm3, with a maximum depth of the main body of approximately 80 m and an average slope of 20–25°. The slide was the object of monitoring for more than a decade and special attention was devoted to it in view of the 2006 Torino Winter Olympics (the highway at its toe was the main Olympic lifeline). A formal quantitative risk assessment (QRA) and related monitoring program were performed. The integrated approach yielded interesting predictive/observational results, which drove stabilization actions including a drainage tunnel and the compilation of a highly sophisticated alert/crisis plan in case of future accelerations.

Keywords

Landslide Risk assessment Monitoring Tunnel Drainage QRA Transportation Hydro Monitoring 

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Copyright information

© Springer-Verlag Berlin Heidelberg 2013

Authors and Affiliations

  • Franco Oboni
    • 1
    Email author
  • Claudio Angelino
    • 2
  • Bartolomeo Visconti
    • 2
  1. 1.Riskope International SAFroidevilleSwitzerland
  2. 2.Polithema Società di Ingegneria srlTurinItaly

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