Journal cover Journal topic
Natural Hazards and Earth System Sciences An interactive open-access journal of the European Geosciences Union
Nat. Hazards Earth Syst. Sci., 16, 995-1004, 2016
https://doi.org/10.5194/nhess-16-995-2016
© Author(s) 2016. This work is distributed under
the Creative Commons Attribution 3.0 License.
Brief communication
19 Apr 2016
Brief communication: On direct impact probability of landslides on vehicles
Pierrick Nicolet1,a, Michel Jaboyedoff1, Catherine Cloutier2, Giovanni B. Crosta3, and Sébastien Lévy4 1Institute of Earth Sciences, Faculty of Geosciences and Environment, University of Lausanne, Lausanne, Switzerland
2Laboratoire d'études sur les risques naturels, Département de géologie et de génie géologique, Université Laval, Québec, Canada
3Department of Earth and Environmental Sciences, Università degli Studi di Milano-Bicocca, Milan, Italy
4Direction Générale de L'Environnement, Etat de Vaud, Lausanne, Switzerland
anow at: Geological Survey of Norway (NGU), Trondheim, Norway
Abstract. When calculating the risk of railway or road users of being killed by a natural hazard, one has to calculate a temporal spatial probability, i.e. the probability of a vehicle being in the path of the falling mass when the mass falls, or the expected number of affected vehicles in case such of an event. To calculate this, different methods are used in the literature, and, most of the time, they consider only the dimensions of the falling mass or the dimensions of the vehicles. Some authors do however consider both dimensions at the same time, and the use of their approach is recommended. Finally, a method considering an impact on the front of the vehicle is discussed.

Citation: Nicolet, P., Jaboyedoff, M., Cloutier, C., Crosta, G. B., and Lévy, S.: Brief communication: On direct impact probability of landslides on vehicles, Nat. Hazards Earth Syst. Sci., 16, 995-1004, https://doi.org/10.5194/nhess-16-995-2016, 2016.
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Short summary
When calculating the risk of railway or road users being killed by a natural hazard, one has to calculate a temporal spatial probability, i.e. the probability of a vehicle being in the path of the falling mass when the mass falls, or the expected number of hit vehicles in the case of an event. This paper discusses different methods used to calculate this probability, in particular regarding the consideration of the dimensions of the falling mass and of the vehicles.
When calculating the risk of railway or road users being killed by a natural hazard, one has to...
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