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A BRUGG GROUP COMPANY
Statele Unite

Kaikoura SH1 - NS13

Kaikoura - Half Moon Bay, 7371, Kaikoura SH1, Noua Zeelandă
2019
TECCO® G65/3 Soluţii speciale
Client
NCTIR / NZTA
Antreprenor
Ground Anchor Systems
Obiect protejat
Road, Calea ferata
Clasă de energie
2000 kJ
Înălţime sistem
6.0 m
Lungime sistem
56 m
Protecţie împotriva coroziunii
GEOBRUGG SUPERCOATING®, GEOBRUGG ULTRACOATING®
Alte aplicaţii instalate
Protecţia împotriva căderilor de pietre
Situația inițială

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. 

Descriere

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.

Contactul dvs. local

Kevin H. Coyle
Kevin H. Coyle
Regional Manager Northeast
Natural Hazards
Geobrugg North America, LLC
3 Beaudet Terr
Columbia CT 06237 / Statele Unite
Telefon +1 860 377 3230

Formular de contact

Saleh Feidi
Saleh Feidi
Regional Manager California
Natural Hazards
Geobrugg North America, LLC
8921 Emperor Ave.
San Gabriel, California 91775 / Statele Unite
Telefon +1 909 706 8964

Formular de contact

John Kalejta
John Kalejta
Regional Manager Central US
Natural Hazards
Geobrugg North America, LLC
3215 67th Avenue Pl
Greeley CO 80634 / Statele Unite
Telefon +1 505 220 1404

Formular de contact

Bob Lyne
Bob Lyne
Regional Manager Southeast
Natural Hazards
Geobrugg North America, LLC
8004 Windspray Drive
Summerfield NC 27358 / Statele Unite
Telefon +1 336 337 0945

Formular de contact

Pierce Runnels, Civil Engineer
Pierce Runnels, Civil Engineer
General Manager Geobrugg North America
Natural Hazards
Geobrugg North America, LLC
22 Centro Algodones
Telefon +1 505 771 4080
Mobil +1 505 400 0796

Formular de contact

Tim Shevlin
Tim Shevlin
Sales Director
Natural Hazards
Geobrugg North America, LLC
4676 Commercial St. SE, PMB 174
Salem OR 97302 / Statele Unite
Telefon +1 503 423 7258

Formular de contact