Journal cover Journal topic
Natural Hazards and Earth System Sciences An interactive open-access journal of the European Geosciences Union
doi:10.5194/nhess-2016-265
© Author(s) 2016. This work is distributed
under the Creative Commons Attribution 3.0 License.
Research article
05 Sep 2016
Review status
This discussion paper is under review for the journal Natural Hazards and Earth System Sciences (NHESS).
An approach for evaluating the role of protection measures in rock fall hazard zoning based on the Swiss experience
Erika Prina Howald, Jacopo Maria Abbruzzese, and Chiara Grisanti Institute of Geomatics, Environment and Constructi on/monitoring of works (G2C), School of Engineering and Management Vaud (HEIG-VD), Yverdon-les-bains, 1401, Switzerland
Abstract. Rock fall hazard zoning is essential for ensuring the safety of communities settled at the toe of potentially unstable slopes. Rock fall hazard zoning can be performed including the effect of protection measures, when land use restrictions might not be enough to mitigate hazards. The real effectiveness of the measures must be assessed to make sure they can play their role, especially in those cases when measures might have been installed at a given site since years. This article focuses on how to evaluate the effectiveness of rock fall protection measures and how hazard zoning can be influenced by their correct operation. The approach presented is divided into four main stages, which include a two-step procedure to evaluate the effectiveness of both existing and new protections. It is based on quite a comprehensive rock fall protection database built for the Canton of Vaud in Switzerland, and on the Swiss Federal Guidelines for hazard zoning; however, all the methodological framework proposed and related considerations could be in principle extended to any other regional or national contexts in which a combination of intensity and frequency is used to assess rock fall hazards.

Citation: Prina Howald, E., Abbruzzese, J. M., and Grisanti, C.: An approach for evaluating the role of protection measures in rock fall hazard zoning based on the Swiss experience, Nat. Hazards Earth Syst. Sci. Discuss., doi:10.5194/nhess-2016-265, in review, 2016.
Erika Prina Howald et al.
Erika Prina Howald et al.
Erika Prina Howald et al.

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