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A company of the BRUGG Group
Switzerland
Kaikoura State Highway 1 (SR14) 2017 - Geobrugg Kaikoura State Highway 1 (SR14) 2017 - Geobrugg
Kaikoura State Highway 1 (SR14) 2017 - Geobrugg Kaikoura State Highway 1 (SR14) 2017 - Geobrugg
Kaikoura State Highway 1 (SR14) 2017 - Geobrugg Kaikoura State Highway 1 (SR14) 2017 - Geobrugg

Kaikoura State Highway 1 (SR14)

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Street
1342 Kaikoura S Rd, Peketa
ZIP code
7374
Place
Kaikoura SH1
Country/Region
New Zealand
Year of installation
2017
Customer
NCTIR /NZTA
Contractor
Geovert
Protected object
Road
Systems
RXE-2000, ATTENUATOR
System height
4.0 m
Corrosion protection
GEOBRUGG ULTRACOATING®
Other installed applications
Rockfall Protection
Initial situation

The Kaikoura M7.8 Earthquake caused widespread damage to the road and rail corridor some 20 km North and South of the Kaikoura township. Over 40 major slips inundated the road and rail with over 750,000 m³ of material from source zones up to 500 m above sea level.  The highly fractured greywacke meant frequent future shallow landslides had to be expected. Barriers in several locations were necessary before the reopening of the SH1 road and railway below.

The rockfall frequency requires for a system that attenuates the rockfall energy to a manageable level, minimises maintenance and enables easy clearing.

Description

A 4 m RXE-2000 rockfall barrier was modified into an 89 m Hybrid Attenuator with a 12/3/350 ROCCO® ringnet tail. This system enables the rockfall energy to be attenuated and guided into a catchment area at the toe of the slope for easier clearing maintenance.

The post spacing is between 8 and 12 m depending on topography. Several more attenuator systems are planned along the corridor where there is sufficient space at the bottom of the slope for retainment.

Read more about the other Kaikoura projects:

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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