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Route Chalais-Vercorin, Valais

Protezione da caduta massi - Route Chalais-Vercorin, Valais 2018

The CANOPY protection system is particularly suitable as an alternative or as an extension to tunnels or to rockfall galleries.

Protezione da caduta massi - Route Chalais-Vercorin, Valais 2018

The posts can be installed with light-weight work equipment such as a lorry crane or a mobile lifting platform.

Protezione da caduta massi - Route Chalais-Vercorin, Valais 2018

Because the terrain is to some extent perpendicular, a 3D image was made. The installation could be integrated in this, which allowed the dimensions of the cables and the nets to be determined.

Protezione da caduta massi - Route Chalais-Vercorin, Valais 2018

The canopy is a gallery roof consisting of a rockfall protection net

Protezione da caduta massi - Route Chalais-Vercorin, Valais 2018

The barrier is self-cleaning, because larger stones are catapulted over the road with the aid of the flexible protection surface.

Protezione da caduta massi - Route Chalais-Vercorin, Valais 2018

The almost vertical rock face demands a special base plate anchor: The micro-pile was placed as an inclined anchor, and the anchor on the mountain-side is at a right angle to the base plate.

Protezione da caduta massi - Route Chalais-Vercorin, Valais 2018

The high-tensile wire of the fine-mesh TECCO® G45/2 prevents any penetration or piercing by smaller, highly accelerated stones.

Protezione da caduta massi - Route Chalais-Vercorin, Valais 2018

The post head mounting in detail.

Protezione da caduta massi - Route Chalais-Vercorin, Valais 2018

High importance was attached to covering the rock face with protection nets: No holes between the two elements can be allowed.

 

Lunghezza del sistema

60 m

 

Anno di installazione

2018

Situazione iniziale

The terrace complex of Vercorin above Sierre in the Rhone valley is reminiscent of an eagle’s nest. The Valais holiday village lies between the “Vallon de Réchy” nature reserve and the valley entrance to the Val d’Anniviers.

In peak periods, over one thousand vehicles drive up the Chalais-Vercorin road, and the village of Vercorin is also served by the post bus.

Frequent low-energy rockfalls permanently endanger the road traffic and the affected section between several tunnels.

Descrizione

On the link road Chalais to Vercorin, the self-cleaning rockfall protection solution Canopy SCC-500 has been implemented for maximum energies up to 500 kJ.

Due to the extremely steep terrain up to the perpendicular, a

3D-field survey was undertaken. The construction was directly integrated into this drawing or into the terrain respectively. From this, the lengths of the cables and the

Ring net dimensions could be determined.

The location of the construction had to be defined in advance using the FARO model. By determining the deflection of the net (structure gauge), the positions of the anchoring could be defined.

TECCO® G45/2 was used as secondary mesh to prevent smaller stones with high fall velocities from piercing the mesh.

High importance was attached to covering the rock face with protection nets. No holes between these two elements were tolerated.

Length: 60 m in a single line, with a rock face connection on one side, without any intermediate suspension, (but with a connection included for an extension of the protection of 60 m)

Extension of posts: 6 – 11.5 m

Post spacing (post distance): 10 m

Cliente

Municipality of Chalais and Vercorin

Progettazione:

Nivalp SA, Grimisuat

Oggetto protetto

Strada, Ferrovia, Infrastrutture turistiche, Infrastrutture

Protezione dalla corrosione

Galvanized, GEOBRUGG SUPERCOATING

Il contatto locale

René Müller
   

René Müller

Country Manager Kantone AG BE BL BS FR GE JU NE SO VD VS

Sistemi contro il dissesto idrogeologico
Ingegneria idraulica
Miniera / Gallerie
Geobrugg AG,Industriestrasse 21,5200 Brugg / Svizzera Country Manager Kantone AG BE BL BS FR GE JU NE SO VD VS

E-mail

Olivia Sartorius
   

Olivia Sartorius

Sistemi contro il dissesto idrogeologico
Ingegneria idraulica
Miniera / Gallerie
Geobrugg AG

E-mail

Alexander Bittendorfer
   

Alexander Bittendorfer

Project Manager Inspection Services

Sistemi contro il dissesto idrogeologico
Geobrugg AG,Trucks via road 14 or 13 only!, Aachstrasse 11,8590 Romanshorn / Svizzera Project Manager Inspection Services

E-mail

Isacco Toffoletto
   

Isacco Toffoletto

Sistemi contro il dissesto idrogeologico
Ingegneria idraulica
Miniera / Gallerie
Geobrugg AG Ticino,Via Brusada 5,6933 Muzzano / Svizzera

E-mail