Switzerland
Switzerland

myGeobrugg

Beaminster Tunnel & Slopes

Slope Stability - Beaminster Tunnel & Slopes 2013

One side of the tunnel after tragic landslide

Slope Stability - Beaminster Tunnel & Slopes 2013

Another side of the tunnel after tragic landslide

Slope Stability - Beaminster Tunnel & Slopes 2013

One of tunnel portals slopes during soli nailing works

Slope Stability - Beaminster Tunnel & Slopes 2013

Drilling works using drill rig installed on an excavator arm

Slope Stability - Beaminster Tunnel & Slopes 2013

Tunnel portal towards the end of installation

Slope Stability - Beaminster Tunnel & Slopes 2013

800 TECCO® SYSTEM³ spikes plates were used

Slope Stability - Beaminster Tunnel & Slopes 2013

A total of 4700 m² was stabilised with TECCO® G65/3

 
 

Year of installation

2013

Initial situation

In 2012 following a period of havy rainfall a landslide blocked the road tunnel portal (also known as Horn Hill Tunnel), killing two people.

Geology

Sands.

Description

Parson Brinckerhoff used the knowledge of Geobrugg to design a soil nailed solution. In total 4700 m² of TECCO® G65/3 and 800 system spike plates were used to complete the project. TECCO® Sistem was selected as it provided the option of optimisation of nail spacing which on a projecrt of this scale allowed for significant cost and time savings.

Customer

Dorset County Council

Contractor

Raymond Brown Construction Ltd.

Protected object

Road

Corrosion protection

GEOBRUGG SUPERCOATING

Engineering

Parsons Brinckerhoff

Other participating companies

CAN Geotechnical Ltd.

Your local contact

Roger Moor
   

Roger Moor

Country Manager Ost- und Zentralschweiz, Liechtenstein

Natural Hazards
Hydraulic Engineering
Mining / Tunnels
Geobrugg AG,Aachstrasse 11,8590 Romanshorn / Switzerland 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
Hydraulic Engineering
Mining / Tunnels
Geobrugg AG,Industriestrasse 21,5200 Brugg / Switzerland 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 / Switzerland Project Manager Inspection Services

E-Mail

Isacco Toffoletto
   

Isacco Toffoletto

Ticino Country Manager

Natural Hazards
Hydraulic Engineering
Mining / Tunnels
Geobrugg AG Ticino,Stabile Cometal, via Pizzante 7,6595 Riazzino / Switzerland Ticino Country Manager

E-Mail