The Importance of Rockfall and Landslide Risks on Swiss National Roads

Arnold, Philippe; Dorren, Luuk (2014). The Importance of Rockfall and Landslide Risks on Swiss National Roads In: Applied Geology for Major Engineering Projects. Engineering Geology for Society and Territory: Vol. 6 (pp. 671-675). Cham: Springer 10.1007/978-3-319-09060-3_120

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To obtain standardized information on the type, frequency, intensity and location of natural hazards that threaten national roads, the federal roads office FEDRO initiate a Swiss-wide project in 2008. This paper presents the methodology used in this project and presents a summary of the monetarised risks of the evaluated road sections. The natural hazards that need to be assessed are snow avalanches, rock- and icefall, flooding, debris flows, landslides (permanent, spontaneous and slope type debris flows) and collapse dolines. Risk hot spots mainly occur due to road closure related to rockfall or bank erosion. Damage to infrastructure represents generally only up to 20 % of the total calculated risk; person risks (casualties) add up to 8 % of the total risk. Rockfall is responsible for 35 % of the total calculated risk, rock avalanches for 8 %, permanent landslides for 5 %, spontaneous landslides for 3 % and slope-type debris flows for 1 %.

Item Type:

Book Section (Book Chapter)

Division/Institute:

School of Agricultural, Forest and Food Sciences HAFL > Multifunctional forest management

Name:

Arnold, Philippe and
Dorren, Luuk

Subjects:

G Geography. Anthropology. Recreation > GE Environmental Sciences
S Agriculture > SD Forestry

ISBN:

978-3-319-09059-7

Series:

Engineering Geology for Society and Territory

Publisher:

Springer

Language:

English

Submitter:

Simon Lutz

Date Deposited:

10 Dec 2019 07:55

Last Modified:

10 Dec 2019 07:55

Publisher DOI:

10.1007/978-3-319-09060-3_120

Additional Information:

Conference Proceedings IAEG Congress. 15.-19.09.2014, Torino / Italy Erscheinungsjahr Sammerlband: 2015

Uncontrolled Keywords:

Risk analysis, Infrastructure, Landslides, Rockfall, Switzerland

URI:

https://arbor.bfh.ch/id/eprint/9352

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