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A BRUGG GROUP COMPANY
Estados Unidos

Kaikoura SH1 - NS13

Kaikoura - Half Moon Bay, 7371, Kaikoura SH1, New Zealand
2019
TECCO® G65/3 Soluções especiais
Promotor
NCTIR / NZTA
Contratante
Ground Anchor Systems
Objecto protegido
Estrada, Caminho de ferro
Absorção de energia máxima
2000 kJ
Altura do sistema
6.0 m
Comprimento do sistema
56 m
Proteção contra a corrosão
GEOBRUGG SUPERCOATING®, GEOBRUGG ULTRACOATING®
Outras aplicações instaladas
Proteção contra desprendimentos
Situação inicial

The Kaikoura M7.8 earthquake caused widespread damage to the road and rail corridor for approximately 20 km North and South of the Kaikoura township. Over forty major slips inundated the road and rail with more than 750'000 m³ of material from source zones up to 500 meters above sea level.  The highly fractured Grey Wacke meant frequent future rockfalls were expected. The rockfall frequency at NS13 created the requirement for a system that attenuated the rockfall energy to a manageable level with no maintenance and easy clearing. 

Descrição

A 6 m RXE-2000 rockfall barrier was modified into a 56 m special attenuator. The attenuator consisted of a 12/3/350 ROCCO® ringnet in the impact zone (first 10 m) and a 7/3/350 ROCCO® tail (20 m). The lighter 7/3/350 ROCCO® tail was selected to enable the attenuated material to pass through into a catchment area at the toe of the slope for clearing/maintenance. The post spacing was between 8 m - 12 m depending on topography. TECCO® G65/3 was selected as the secondary mesh in the impact zone to ensure the smaller (less than 350 mm) high velocity rocks were also attenuated. GEOBRUGG SUPERCOATING® and GEOBRUGG ULTRACOATING® were selected due to the close proximity of the sea and Type III flex heads were required due to poor ground conditions.

O seu contacto local

Kevin H. Coyle
Kevin H. Coyle
Regional Manager Northeast
Riscos naturais
Geobrugg North America, LLC
3 Beaudet Terr
Columbia CT 06237 / Estados Unidos
Telefone +1 860 377 3230

Formulário de contacto

Saleh Feidi
Saleh Feidi
Regional Manager California
Riscos naturais
Geobrugg North America, LLC
8921 Emperor Ave.
San Gabriel, California 91775 / Estados Unidos
Telefone +1 909 706 8964

Formulário de contacto

John Kalejta
John Kalejta
Regional Manager Central US
Riscos naturais
Geobrugg North America, LLC
3215 67th Avenue Pl
Greeley CO 80634 / Estados Unidos
Telefone +1 505 220 1404

Formulário de contacto

Bob Lyne
Bob Lyne
Regional Manager Southeast
Riscos naturais
Geobrugg North America, LLC
8004 Windspray Drive
Summerfield NC 27358 / Estados Unidos
Telefone +1 336 337 0945

Formulário de contacto

Pierce Runnels, Civil Engineer
Pierce Runnels, Civil Engineer
General Manager Geobrugg North America
Riscos naturais
Geobrugg North America, LLC
22 Centro Algodones
Telefone +1 505 771 4080
Telemóvel +1 505 400 0796

Formulário de contacto

Tim Shevlin
Tim Shevlin
Sales Director
Riscos naturais
Geobrugg North America, LLC
4676 Commercial St. SE, PMB 174
Salem OR 97302 / Estados Unidos
Telefone +1 503 423 7258

Formulário de contacto