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Viaduc du rocher de Larce - RN5

Steinschlagschutz - Viaduc du rocher de Larce - RN5 2024

Excellent visual integration of the protection system with 5,000 m² mesh

Steinschlagschutz - Viaduc du rocher de Larce - RN5 2024

The system's adaptability means that posts can be positioned on ridges with center-to-center distances of up to 16 m, reducing the number of posts and anchors required

Steinschlagschutz - Viaduc du rocher de Larce - RN5 2024

5,000 m² of protection with excellent visual integration of the system. Thanks to the use of high-tensile steel wire mesh, the number of posts could be reduced, and energy dissipators were not necessary.

 

Systeme

 

Systemlänge

65 m - 100 m

 

Installationsjahr

2024

Ausgangslage

The Morez Viaduct on the RN5 runs for several hundred meters along the Larce rock face. This predominantly rocky slope produces numerous boulder and rock fall events, which are currently channeled and accumulated in aging structures that are inadequate for the phenomena involved (mesh barriers, rope ladders, etc.).

Massnahme

Geobrugg supplied a rockfall attenuator that met several criteria. A study of the area's rockfall hazards provided the input data allowing the use of the ATTERO dimensioning software.

Thanks to the solution’s adaptability and low visual impact, it is perfectly integrated into the viaduct. This attenuator’s optimized composition, with no energy dissipation system (brake), will minimize the need for maintenance intervention.

Land/Region

Frankreich

Kunde

Direction Interdépartementale des Routes (DIR) EST

Planer

Géolithe

Ausführende Firma

NGE Fondations

Geschützte Objekte

Strasse

Korrosionsschutz

GEOBRUGG SUPERCOATING

Ansprechpartner

René Müller
   

René Müller

Country Manager Western Switzerland

Naturgefahren
Uferschutz/Wasserbau
Minen / Bergbau / Tunnel
Geobrugg AG,Industriestrasse 21,5200 Brugg / Schweiz Country Manager Western Switzerland

E-Mail

Olivia Sartorius
   

Olivia Sartorius

Project Manager Sales Eastern Switzerland

Naturgefahren
Uferschutz/Wasserbau
Minen / Bergbau / Tunnel
Geobrugg AG Project Manager Sales Eastern Switzerland

E-Mail

Alexander Bittendorfer
   

Alexander Bittendorfer

Project Manager Inspection Services

Naturgefahren
Fernüberwachung
Geobrugg AG,Trucks via road 14 or 13 only!, Aachstrasse 11,8590 Romanshorn / Schweiz Project Manager Inspection Services

E-Mail

Isacco Toffoletto
   

Isacco Toffoletto

Country Manager Southern Switzerland

Naturgefahren
Uferschutz/Wasserbau
Minen / Bergbau / Tunnel
Geobrugg AG,Via Brusada 5,6933 Muzzano / Schweiz Country Manager Southern Switzerland

E-Mail