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A company of the BRUGG Group
Estados Unidos
Cascade Mountain, US Highway 12 2017 - Geobrugg Cascade Mountain, US Highway 12 2017 - Geobrugg
Cascade Mountain, US Highway 12 2017 - Geobrugg Cascade Mountain, US Highway 12 2017 - Geobrugg
Cascade Mountain, US Highway 12 2017 - Geobrugg Cascade Mountain, US Highway 12 2017 - Geobrugg
Cascade Mountain, US Highway 12 2017 - Geobrugg Cascade Mountain, US Highway 12 2017 - Geobrugg
Cascade Mountain, US Highway 12 2017 - Geobrugg Cascade Mountain, US Highway 12 2017 - Geobrugg

Cascade Mountain, US Highway 12

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Rua
US-12
Código postal
98937
Lugar
48935 US-12, Naches, WA 98937
País / Região
Estados Unidos
Ano de instalação
2017
Cliente
Washington State Department of Transportation
Engenharia
Washington State Department of Transportation
Contratante:
Hi-Tech Rockfall Construction, Inc.
Objecto protegido
Estrada
Sistemas
DELTAX® G80/2, Soluções especiais, Rolled Cable Net (US only)
Protecção contra a corrosão
GEOBRUGG SUPERCOATING®
Área estabilizada
780 m²
Altura do talude
25 m
Inclinação do talude
70 ° - 85 °
Exposição
-
Geologia

White Pass Scenic Byway and was featured in Newell Campbell’s geologic road guide (1975) (Fig. H-1). The byway passes through one of the most scenic and geologically interesting areas in Washington. There are tens of volcanic centers that range in age from earliest Miocene to Pleistocene. Late Paleozoic/Mesozoic sedimentary rocks and metamorphic rocks, glacial deposits, and large active landslides are also exposed along the way. The Russell Ranch Formation is exposed near MP 148 along US 12. The Russell Ranch unit includes marine sedimentary and volcanic rocks that are at least in part of Late Jurassic and Early Cretaceous age (~145–130 Ma).  Numerous Quarternary landslide and talus Deposits are also 

From INFORMATION CIRCULAR 107 (Pringle, et al.)

Situação inicial

US Highway 12 is the Southern most pass that crosses the Cascade Mountain in the state of Washington, USA.  Numerous slopes near White Pass are active rockfall areas.  They have been mitigated over the decades with many solutions including numerous draped mesh systems composed of traditional cable nets.  One such antiquated cable net drape at MP 152 was draped across a rockfall chute and in 2017 was destroyed by severe rock and snow slides.  The Washington Department of Transportation decided to update the system with the stronger and improved Rolled Cable Nets (S4-250).

Descrição

Geobrugg worked with the Washington Department of Transportation assisting them in creating a robust Rolled Cable Net drape. The updated drape included upsized and redundant support rope infrastructure. The support rope and flexible wire rope cable anchors were made of 1-1/8" ropes having 130 kip ultimate strength.  The Rolled Cable Nets (S4-250) being 30 % stronger than the nets being replaced were chosen as they performed well in another nearby installation. Hi-Tech Rockfall Construction, Inc. performed scaling at the site and quickly installed the large Rolled Cable Net panels.

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