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Prevención de aludes - Geisshorn-Arensa snow nets 2012

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

Prevención de aludes - Geisshorn-Arensa snow nets 2012

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

Prevención de aludes - Geisshorn-Arensa snow nets 2012

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

Prevención de aludes - Geisshorn-Arensa snow nets 2012

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

Prevención de aludes - 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

Prevención de aludes - Geisshorn-Arensa snow nets 2012

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

Prevención de aludes - 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

Prevención de aludes - Geisshorn-Arensa snow nets 2012

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

 
 

Longitud del sistema

- 1890 m

 

Año de instalación

2012

Situación inicial

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. 

Descripción

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 / Región

Suiza

Cliente

Swiss Federal Road Office (ASTRA) / Tiefbauamt Graubünden

Ingeniería

Tur GmbH, Davos

Subcontratista

Bauunternehmung Vetsch Klosters AG

Objeto protegido

Carretera, Edificio

Protección contra la corrosión

Galvanizado, GEOBRUGG SUPERCOATING

Su contacto local

Kevin Coyle
 

Kevin Coyle

Regional Manager Northeast

Protección contra riesgos naturales
Ingeniería hidráulica
Geobrugg North America, LLC,3 Beaudet Terr,CT 06237 Columbia / EE. UU. Regional Manager Northeast

Correo electrónico

Saleh Feidi, Regional Manager California
 

Saleh Feidi

Protección contra riesgos naturales
Geobrugg North America, LLC,8921 Emperor Ave.,91775 San Gabriel, California / EE. UU. , Regional Manager California

Correo electrónico

John Kalejta
 

John Kalejta

Regional Manager Rocky Mountains / Central USA

Protección contra riesgos naturales
Geobrugg North America, LLC,KS 67226 Wichita / EE. UU. Regional Manager Rocky Mountains / Central USA

Correo electrónico

Bob Lyne
 

Bob Lyne

Regional Sales Manager Southeast

Protección contra riesgos naturales
Geobrugg North America, LLC,8004 Windspray Drive,NC 27358 Summerfield / EE. UU. Regional Sales Manager Southeast

Correo electrónico

Pierce Runnels, Civil Engineer
   

Pierce Runnels

Sales Director North America

Protección contra riesgos naturales
Geobrugg North America, LLC,22 Centro Algodones , Civil Engineer Sales Director North America

Correo electrónico

Tim Shevlin
 

Tim Shevlin

Regional Sales Manager Pacific Northwest and Hawaii

Protección contra riesgos naturales
Geobrugg North America, LLC,OR 97302 Salem / EE. UU. Regional Sales Manager Pacific Northwest and Hawaii

Correo electrónico