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A BRUGG GROUP COMPANY
Amerika Birleşik Devletleri

Kaikoura State Highway 1 (SR1-2)

Kaikoura SH1, 7343, Peketa Kaikoura, Yeni Zelanda
2019
Müşteri
NCTIR and NZTA
Yüklenici
Rock Control
Gösterilen obje
Road
Enerji emme kapasitesi
500 kJ
Sistem boyu
3.0 m
Sistem uzunluğu
100 m
Korozyon koruması
GEOBRUGG ULTRACOATING®
Durum

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 means frequent future rockfalls and debris loads. The high rockfall frequency created the requirement for a geohazard solution at Site 1-2.

Açıklama

The original design and installation was a 50 meters long 3 meters high GBE-500A barrier. After installation, the decision was made to install an additional 50 meters of barrier to protect the highway further. The system was easily extended by upgrading the northernmost post to a support rope separation with no material wastage.


The GBA-500A is a hinged post system. The barrier has upslope anchors, which reduce the post foundation forces and therefore minimise impact to the precast concrete wall and shotcrete retaining walls below. The rockfall barrier used a 10 meters post spacing, had two downslope anchors due to a curved alinement and as previously mentioned was split into two sections with a support rope separation. Due to the highly fractured rock mass, self-drilling anchors were required. Geobrugg type II flex heads transfer the loads to the bar anchors. The mesh was ultra-coated due to its proximity to the sea.

Yerel yetkiliniz

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

İletişim formu

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

İletişim formu

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

İletişim formu

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

İletişim formu

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

İletişim formu

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

İletişim formu