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Stefan Margreth

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Stefan Margreth

Organisationseinheit:	Lawinen und Prävention Schutzmassnahmen
Tel:	+41 81 4170 254
Fax:	+41 81 4170 110
Raum:	Da A 2 10
E-Mail:	,
Adresse:	WSL-Institut für Schnee- und Lawinenforschung SLF Flüelastrasse 11 7260 Davos Dorf

Stefan Margreth

Education / Research


since 2008	Lecturer ETH Zurich.
since 1997	Head research group "Protection Measures" at the WSL-Swiss Federal Institute for Snow and Avalanche Research SLF Davos.
since 1989	Senior Consultant at the WSL-Swiss Federal Institute for Snow and Avalanche Research SLF Davos.
1988–1989	Research Assistant, Institute of Geotechnical Engineering, ETH Zurich.
1985–1986	Norwegian Railway (Oslo) and Dr. Halter Engineering & Consulting (Zurich): Internship and Research Fellow.
1982–1987	Diploma-Studies in Civil Engineering, ETH Zurich.

Research

Measurement and calculation of snow forces acting on avalanche defense and rockfall structures
Effectiveness of avalanche defense measures
Design of avalanche defense measures (e.g. avalanche sheds, dams)
Failure analysis and back-calculation of snow pressure or avalanche loads
Maintenance of avalanche defense measures
Back-analysis of avalanche events
Risk and cost-benefit analysis


Investigation of the catastrophic avalanche in Galtür, 1999.	Analysis of the effectiveness of supporting structures.	Safety concept for ice and snow avalanches at Gr. Jorasses.

Consulting

Avalanche defense consulting and hazard mapping (e.g. elaboration and review of hazard maps, application and maintenance of supporting structures, design of avalanche sheds, deflecting and catching dams, snow drift fences), more than 150 consulting reports in Switzerland and countries as Germany, Italy, Austria, Iceland, Japan, Russia, Turkey and Iran.
Protection and design of buildings and infrastructure against avalanche impacts and snow pressure.
Risk calculations and cost-benefit analysis.
Snow loads on buildings.
Expert witness in court cases especially on hazard mapping and avalanche accidents (e.g. on the catastrophic avalanche event in Galtür in 1999).
Proofing engineer of new defense structures in avalanche starting zones.

Teaching

Graduate Course on “Snow and Avalanches: Processes and Risk Management” at ETH Zürich (together with Jürg Schweizer)
Lecturer in avalanche engineering at the European Summer University on Natural Hazards, 1992 in Chamonix (France), 1995 in Sion (Switzerland), 2000 in Salardu (Spain) and 2004 in Courmayeur (Italy).
Courses, excursions and lessons for practitioners in avalanche engineering and hazard mapping.
Course on avalanches for technical directors of ropeways (Swiss Ropeways Association).

Memberships

since 1997 FAN (Natural Hazard Experts Switzerland)
since 1989 EKLS (Expert Commission for Avalanches and Rockfall)
since 1988 SGBF (Schweizerische Gesellschaft für Boden und Felsmechanik)

Other interests


Ski touring	Rock climbing	Ice climbing