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A company of the BRUGG Group
Switzerland
Amden 2011 - Geobrugg Amden 2011 - Geobrugg
Amden 2011 - Geobrugg Amden 2011 - Geobrugg
Amden 2011 - Geobrugg Amden 2011 - Geobrugg
Amden 2011 - Geobrugg Amden 2011 - Geobrugg

Amden

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Street
Steinschlagschutz-Galerien Mattstock und Churfirsten
Place
Weesen
Country/Region
Switzerland
Year of installation
2011
Customer
Tiefbauamt des Kantons St. Gallen, Abteilung Strassen- und Kunstbauten
Engineering
Casutt Wyrsch Zwicky AG
Contractor
Locher Bauunternehmer AG, Zürich, Switzerland
Protected object
Road
Systems
TECCO® G65/3, ROCKFALL-X
System height
1.5 m, 2.0 m
Initial situation

The Swiss National Road No. 17 between Weesen and Amden was endangered by stone and block striking. Between autumn 1978 and August 1981 the  Mattstock Gallery with a length of 110 meters and the Churfirsten Gallery with a length of 155 meters were created.

After various rockfall events and activities the danger situation of the whole street section was checked. The static calculation showed that the two galleries would only cover energies of 300 to max. 500 kJ as standard.

Based on a risk assessment, it was decided to fortify the two galleries for the scenario with a probability of a recovery period of 10 to 30 years with energies of 200 to 1'900 kJ.

Description

ROCKFALL-X G Damping system with cellular glass fill material and TECCO® mesh as protection for the rockfall galleries Mattstock and Churfirsten.

Modules: 1’300 pieces 1,3 m und 575 pieces 2,0 m heigh cellular glass filled ROCKFALL-X G damping modules.

Rockfall energies: 200 kJ to 1‘900 kJ.

Your local contact

Roger Moor
Roger Moor
Ost- und Zentralschweiz, Liechtenstein - Country Manager
Natural Hazards, Mining / Tunnels
Geobrugg AG
Aachstrasse 11
8590 Romanshorn / Switzerland
Phone 071 466 81 52
Mobile 078 783 46 81

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René Müller
René Müller
Country Manager Western Switzerland (AG, BE, BL, BS, FR, GE, JU, NE, SO, VD, VS)
Natural Hazards, Mining / Tunnels
Geobrugg AG
Industriestrasse 21
5200 Brugg / Switzerland
Phone +41 71 466 84 57
Mobile +41 79 420 84 55

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Jonas von Wartburg
Jonas von Wartburg
Country Manager Western Switzerland / Norway
Natural Hazards, Mining / Tunnels
Geobrugg AG
Aachstrasse 11
8590 Romanshorn / Switzerland
Phone +41 71 466 84 58

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Mauro Pini
Mauro Pini
Country Manager Southern Switzerland (TI)
Natural Hazards, Mining / Tunnels
Geobrugg AG
Stabile Cometal, via Pizzante 7
6595 Riazzino / Switzerland
Phone +41 91 859 36 34
Mobile +41 79 693 24 82

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