Programme

Workshop on the Application of Numerical Models in Avalanche Engineering
4-7 October 2015, Chamonix, France.
Hôtel Les Aiglons, 270 Avenue de Courmayeur, 74 400 Chamonix Mont-Blanc,
http://www.aiglons.com
Sunday 4 October 2015
Diner, 19h30 Restaurant, Hôtel Les Aiglons, Restaurant “le A”.
Monday 5 October 2015
8h00 -8h20
Emmanuel THIBERT, Perry BARTELT, Matthias GRANIG, Margherita MAGGIONI:
Welcome, programme and workshop goals
8h30 – 10h00
Scenario definition
8h20-8h40.
8h40-9h00.
9h00-9h20
9h20-9h40
9h40-10h00
Mathias GRANIG (WLT, Austria): The definition of avalanche scenarios.
Jochen VEITINGER/Betty SOVILLA (SLF, Switzerland): Methods and parameters
for avalanche release area definition.
Philipp JÖRG (Tur GMBH, Switzerland): Scenarios for potential release zones
within supporting structures - a case study.
François RAPIN (Irstea, France): Sensitive avalanche paths with example of
classification in Chamonix Valley.
Andre BURKARD (wasser/schnee/lawinen, Switzerland) How to interpret small
flow heights with high velocities when modelling avalanche danger and
exploring the influence of the release zone form on simulation results:
examples from Kt. Wallis, Switzerland
10h00 -10h40
Discussion / Coffee Break
10h40– 12h15
10h40-11h00
Modelling
Mohamed NAAIM (Irstea, France): Avalanche modeling and hazard
predetermination.
Mathias CARRON (Silvaplus, Switzerland): The RAMMS model in practice:
application limits of a helpful modeling tool.
11h00-11h20
11h20-11h40
11h40-12h10
12h10-12h30
Perry BARTELT/Lisa DREIER (SLF, Switzerland): Powder Snow Avalanche
Engineering: Physics, Modelling and Applications.
Siegfried SAUERMOSER (WLV, Austria): Implementation of simulation results in
practice.
Discussion / End Morning Session
12h30 -14h00: Lunch at the hotel, Restaurant “le A”
14h00-15h30
14h00-14h30
14h30-14h50
14h50-15h10
15h10-15h30
Runout I
Stefan MARGRETH (SLF, Switzerland): Evaluation of the effectiveness of catching
dams with avalanche simulations – case studies
Stéphane ROUDNITSKA (RTM, France): The 2D digital modelling helping the
expert in case of old and controversial historic avalanches: example in Tarentaise
Valley.
Elena LEVERA (Italy): Small powder snow avalanches - a case study in Aosta
Valley
Philippe BERTHET-RAMBAUD/Fany BOURJAILLAT (Engineerisk, France):
Introduction and influence of (large) existing buildings on avalanche hazard
zoning: case study of Flaine.
15h30-16h00
Coffee break
14h00-15h30
Runout II
16h00-16h20
16h20-16h40
16h40-17h00
Christian TOLLINGER (WLV, Austria): Dams and avalanche simulations - practical
experiences.
Christoph OBERSCHMIED (Autonome Provinz Bozen, Südtirol): Mit RAMMS
nachgerechnete Fliesslawinen in Südtirol.
Barbara FRIGO (PoliTO, Italy): Avalanche impact pressure measurements at
Seehore experimental test-site.
17h00-18h00
What problems need to be solved in avalanche engineering? And how should
we solve them? An open discussion with all participants
18h30
End of Monday sessions
Free evening
Tuesday 6 October 2015
8h30-10h00
8h30-9h00
Le Bourgeat avalanche track case study
Emmanuel THIBERT (Irstea, France): Site presentation and field visit information,
Group for cars
9h00-9h45
Practical works: division in groups, tools and available data.
10h00-14h00
Field visit and lunch at “Le Bourgeat” avalanche track
Back to hotel les Aiglons at 14h00
14h00 – 18h30
Le Bourgeat avalanche track case study
Practical works in 3-6 groups
16h00-16h30
Coffee break
16h30 – 18h30
Le Bourgeat avalanche track case study
Practical works in 3-6 groups
18h30
Free evening
End of Tuesday sessions
Wednesday 7 October 2015
8h30 -10h00
8h30-8h50
8h50-9h10
9h10-9h30
9h30-9h50
Results from practical works
Presentation and Discussion Group 1
Presentation and Discussion Group 2
Presentation and Discussion Group 3
Presentation and Discussion Group 4
10h00-10h30
Coffee break
10h40 -10h30
10h30-10h45
Future Research Questions
______
Thierry FAUG (Irstea, France): Recent granular models for the force experienced
by objects in grain flows, and implications for the design of both wall‐like and
mast‐like structures impacted by avalanches.
JT FISCHER (BFW/ WLV, Austria): Study to assess the powder pressure in the
avalanche run out zone
Isabelle OUSSET (Irstea, France): Reinforced concrete protective structures
dedicated to snow avalanches: quasi‐static or dynamic behavior?
Eloise BOVET (FMS, Italy): Avalanche dynamics studies at Seehore experimental
test-site.
Marc CHRISTEN/Lukas STOFFEL (SLF, Switzerland): New developments in the
RAMMS Avalanche Software Package.
10h45-11h00
11h00-11h15
11h15-11h30
11h30-11h45
Conclusions
12h00-12h30
Workshop Conclusions/Discussion, Feedback, Next Workshop
12h30 -14h00: Lunch at the hotel, Restaurant “le A”
Afternoon : 2 optional visits
Aiguille du Midi (cable car).
Taconnaz avalanche defense structure
E. Thibert, 9 September 2015
Hotel information
Contact: Marion Buferne: [email protected]
phone +33 (0)4 50 55 96 33
Breakfast from 6h30
Rooms to be free at 12h00
10 parking spaces booked for participants, upon request at the hotel reception.

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