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Prevenção de avalanches - Geisshorn-Arensa snow nets 2012

Overview of the Geisshorn snow nets covered partially by snow, directly under the rockface

Prevenção de avalanches - Geisshorn-Arensa snow nets 2012

Snow nets are installation friendly thus allow a considerable reduction of helicopter hours

Prevenção de avalanches - Geisshorn-Arensa snow nets 2012

Another view of the helicopter transport and beautiful valley in the back

Prevenção de avalanches - Geisshorn-Arensa snow nets 2012

Modular and lightweight structure allows fast and easy installation. All elements were pre-assembled in the valley first

Prevenção de avalanches - Geisshorn-Arensa snow nets 2012

Pressure plates are a perfect solution for areas with permafrost since they do not require a concrete foundation with anchoring. The picture shows the retaining ropes. Such scheme allows perfect plate positioning and further ground movements

Prevenção de avalanches - Geisshorn-Arensa snow nets 2012

Thanks to modular structure snow nets perfectly follow irregular terrain profile. Short sections follow the structure of the ground

Prevenção de avalanches - Geisshorn-Arensa snow nets 2012

Overview of snow nets installed directly under the rockface. Here rockfall capacity is a must and an enormous advantage of Geobrugg's flexible snow net structures

Prevenção de avalanches - Geisshorn-Arensa snow nets 2012

Our specialists are continuously monitoring installed solutions, here during winter period. Geobrugg wishes nice skiing in Switzerland!

 
 

Comprimento do sistema:

- 1890 m

 

Ano de instalação:

2012

Situação:

In winter 1999 (well remembered in the Alps for extraordinary snowfall and avalanches) National Road 28, to the ski resorts of Klosters and Davos, had to be closed. The inital location of those avalanches was the perimeter of this project. 

Descrição:

To ensure that avalanches of such scale and influence would not emerge from the Geisshorn mountain, the Federal Roads Office (ASTRA) and the Forest and Natural Hazards Office of the canton Grison, (AWN) entrusted the engineering company of Tur GmbH, to plan a mitigation solution. Due to its location, under the rockface where  little rockfall is possible, Tur GmbH decided to use Snow Nets rather than rigid steel structures. This led to the installation of nearly 2000 [m] of Geobrugg avalanche protection barriers (so called Snow Nets).

País / Região:

Suíça

Cliente:

Swiss Federal Road Office (ASTRA) / Tiefbauamt Graubünden

Engenharia:

Tur GmbH, Davos

Contratante:

Bauunternehmung Vetsch Klosters AG

Objecto protegido:

Estrada, Edifício

Protecção contra a corrosão:

Galvanizado, GEOBRUGG SUPERCOATING

O seu contacto local

René Müller
   

René Müller

Country Manager Western Switzerland

Riscos naturais
Engenharia Hidráulica
Mineração / Túneis
Monitoring
Geobrugg AG,Industriestrasse 21,5200 Brugg / Suíça Country Manager Western Switzerland

E-mail

Olivia Sartorius
   

Olivia Sartorius

Project Manager Sales Eastern and Central Switzerland

Riscos naturais
Engenharia Hidráulica
Mineração / Túneis
Monitoring
Geobrugg AG Project Manager Sales Eastern and Central Switzerland

E-mail

Isacco Toffoletto
   

Isacco Toffoletto

Country Manager Southern Switzerland

Riscos naturais
Engenharia Hidráulica
Mineração / Túneis
Monitoring
Geobrugg AG Ticino,Via Brusada 5,6933 Muzzano / Suíça Country Manager Southern Switzerland

E-mail