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Ochrona przed obrywami skalnymi - Skagway, Alaska 2020

Completed RXE-8000, 10 m tall, 35 m wide

Ochrona przed obrywami skalnymi - Skagway, Alaska 2020

Active rockfall chute directly above facilities to be protected

Ochrona przed obrywami skalnymi - Skagway, Alaska 2020

Concrete base support (foundation) steel reinforcment

Ochrona przed obrywami skalnymi - Skagway, Alaska 2020

Construction of post base support (foundation) steel reinforcment and concrete form

Ochrona przed obrywami skalnymi - Skagway, Alaska 2020

Elevated post base support (foundation)

Ochrona przed obrywami skalnymi - Skagway, Alaska 2020

Installation of 10 m tall post and pre-attached 19/3/300 ring nets with a crane

Ochrona przed obrywami skalnymi - Skagway, Alaska 2020

RXE-8000 posts and pre-attached 19/3/300 ring nets

Ochrona przed obrywami skalnymi - Skagway, Alaska 2020

RXE-8000 with transmission ropes guided through the pre-attached 19/3/300 ring nets

Ochrona przed obrywami skalnymi - Skagway, Alaska 2020

Side view of RXE-8000 and post base support elevating the barrier to catch rocks launching from cliff.

Ochrona przed obrywami skalnymi - Skagway, Alaska 2020

Extension of support ropes across south rockfall chute allowing anchorage in rock outcrop. Upper system ATT-80 utilizing SPIDER S4-130 structural netting

Ochrona przed obrywami skalnymi - Skagway, Alaska 2020

Top view of RXE-8000 rockfall barrier

 

Zastosowane systemy

 

Dlugosc systemu od

- 36 m

 

Rok Instalacji / Montazu

2020

Sytuacja początkowa

Skagway is a small coastal city in southeast Alaska that became a gateway to the Klondike during the 1896 gold rush. Skagway is now a popular cruise ship destination and launching point for the historic narrow-gauge railroad between Skagway and White Pass Summit, which is a touristic attraction. The cruise ship dock and railroad are located at the base of the steep hills forming the fjord where there are two very active rockfall chutes.  

Opis zastosowanego rozwiazania

Various rockfall protection measures have been installed at this site over the past 20 years, including cable net draped attenuators, a rockfall barrier, and a modern rockfall attenuator utilizing SPIDER S4-130 as the structural mesh. The latest installation is an RXE-8000 (8,000 kJ).

Challenges included anchorage and support ropes crossing an active rockfall chute and a tall launching cliff directly above the barrier, requiring elevated post-base supports (foundations).

Chroniony Objekt

Railway, Touristic infrastructure, Other

Ochrona przeciwerozyjna

Galvanized, GEOBRUGG SUPERCOATING

Projektant

Inne zainstalowane aplikacje

Ochrona przed obrywami skalnymi

Osoba kontaktowa na miejscu

Kevin H. Coyle
 

Kevin H. Coyle

Regional Manager Northeast

Zagrożeniami naturalnymi
Nżynieria hydrauliczna
Geobrugg North America, LLC,3 Beaudet Terr,Columbia CT 06237 / USA Regional Manager Northeast

Formularz kontaktowy

Saleh Feidi
 

Saleh Feidi

Regional Manager California

Zagrożeniami naturalnymi
Nżynieria hydrauliczna
Geobrugg North America, LLC,8921 Emperor Ave.,San Gabriel, California 91775 / USA Regional Manager California

Formularz kontaktowy

John Kalejta
 

John Kalejta

Regional Manager Central US

Zagrożeniami naturalnymi
Nżynieria hydrauliczna
Geobrugg North America, LLC,3215 67th Avenue Pl,Greeley CO 80634 / USA Regional Manager Central US

Formularz kontaktowy

Bob Lyne
 

Bob Lyne

Regional Manager Southeast

Zagrożeniami naturalnymi
Nżynieria hydrauliczna
Geobrugg North America, LLC,8004 Windspray Drive,Summerfield NC 27358 / USA Regional Manager Southeast

Formularz kontaktowy

Pierce Runnels, Civil Engineer
   

Pierce Runnels

General Manager Geobrugg North America

Zagrożeniami naturalnymi
Geobrugg North America, LLC,22 Centro Algodones , Civil Engineer General Manager Geobrugg North America

Formularz kontaktowy

Tim Shevlin
 

Tim Shevlin

Sales Director

Zagrożeniami naturalnymi
Geobrugg North America, LLC,Salem OR 97302 / USA Sales Director

Formularz kontaktowy