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Western Portal of Hirschhorn Tunnel

Stabilizarea pantelor - Western Portal of Hirschhorn Tunnel 2020

Netting covering the rockface

Stabilizarea pantelor - Western Portal of Hirschhorn Tunnel 2020

Entrance of the Hirschhorn Tunnel

Stabilizarea pantelor - Western Portal of Hirschhorn Tunnel 2020

Drilling works

Stabilizarea pantelor - Western Portal of Hirschhorn Tunnel 2020

Building with netting in background

Stabilizarea pantelor - Western Portal of Hirschhorn Tunnel 2020

Connection with shackles

Stabilizarea pantelor - Western Portal of Hirschhorn Tunnel 2020

Rockface with mesh protection

 

Anul instalării

2020

Situația inițială

The western portal of the Hirschhorn Tunnel on the German B37 federal road had to be protected. In 2011/2012 already sections above the tunnel portal and above the maintenance depot had been stabilized. This protection was completed in 2020.

Geologie

The secured rock face mainly consists of quartzite-bound sandstone from the middle Buntsandstein. Coarsely laminated clayey sandstones with a thickness of 0.1 to 2.0 m are embedded in the massive, thickly banked sandstones.

Descriere

SPIDER® S3-130 spiral cable net plus TECCO® G65/3 mesh plus shotcrete, were used to secure the remaining section.

After a thorough excavation and clearing of loose material, micro piles were placed in a grid of 2.5 x 2.5 m.

A SPIDER® spiral rope netting, and in fissured areas additionally shotcrete, secure the steep areas. TECCO® mesh was installed in the flatter slope area.

Obiect protejat

Road, Infrastructură

Protecţie împotriva coroziunii

GEOBRUGG SUPERCOATING

Contactul dvs. local

Roger Moor
   

Roger Moor

Country Manager Ost- und Zentralschweiz, Liechtenstein

Natural Hazards
Inginerie hidraulică
Minerit / Tuneluri
Geobrugg AG,Aachstrasse 11,8590 Romanshorn / Elveţia Country Manager Ost- und Zentralschweiz, Liechtenstein

E-mail

René Müller
   

René Müller

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

Natural Hazards
Inginerie hidraulică
Minerit / Tuneluri
Geobrugg AG,Industriestrasse 21,5200 Brugg / Elveţia Country Manager Kantone AG BE BL BS FR GE JU NE SO VD VS

E-mail

Alexander Bittendorfer
   

Alexander Bittendorfer

Project Manager Inspection Services

Natural Hazards
Geobrugg AG,Aachstrasse 11,8590 Romanshorn / Elveţia Project Manager Inspection Services

E-mail

Isacco Toffoletto
   

Isacco Toffoletto

Ticino Country Manager

Natural Hazards
Inginerie hidraulică
Minerit / Tuneluri
Geobrugg AG Ticino,Stabile Cometal, via Pizzante 7,6595 Riazzino / Elveţia Ticino Country Manager

E-mail