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Камнепады, обвалы, осыпи - Skagway, Alaska 2020

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

Камнепады, обвалы, осыпи - Skagway, Alaska 2020

Active rockfall chute directly above facilities to be protected

Камнепады, обвалы, осыпи - Skagway, Alaska 2020

Concrete base support (foundation) steel reinforcment

Камнепады, обвалы, осыпи - Skagway, Alaska 2020

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

Камнепады, обвалы, осыпи - Skagway, Alaska 2020

Elevated post base support (foundation)

Камнепады, обвалы, осыпи - Skagway, Alaska 2020

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

Камнепады, обвалы, осыпи - Skagway, Alaska 2020

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

Камнепады, обвалы, осыпи - Skagway, Alaska 2020

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

Камнепады, обвалы, осыпи - Skagway, Alaska 2020

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

Камнепады, обвалы, осыпи - 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

Камнепады, обвалы, осыпи - Skagway, Alaska 2020

Top view of RXE-8000 rockfall barrier

 

Системы

 

Длина системы

- 36 m

 

Год установки

2020

Ситуация

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.  

Описание

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).

Защищаемый объект

Железнодорожная линия, Туристическая инфраструктура, Другое

Защита от коррозии

Оцинковка, GEOBRUGG SUPERCOATING

Проектировщик

Другие конструкции

Камнепады, обвалы, осыпи

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Kevin H. Coyle
 

Kevin H. Coyle

Regional Manager Northeast

Инженерная защита
Гидротехника
Geobrugg North America, LLC,3 Beaudet Terr,Columbia CT 06237 / США Regional Manager Northeast

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Saleh Feidi
 

Saleh Feidi

Regional Manager California

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Гидротехника
Geobrugg North America, LLC,8921 Emperor Ave.,San Gabriel, California 91775 / США Regional Manager California

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John Kalejta
 

John Kalejta

Regional Manager Central US

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Гидротехника
Geobrugg North America, LLC,3215 67th Avenue Pl,Greeley CO 80634 / США Regional Manager Central US

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Bob Lyne
 

Bob Lyne

Regional Manager Southeast

Инженерная защита
Гидротехника
Geobrugg North America, LLC,8004 Windspray Drive,Summerfield NC 27358 / США Regional Manager Southeast

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Pierce Runnels, Civil Engineer
   

Pierce Runnels

General Manager Geobrugg North America

Инженерная защита
Geobrugg North America, LLC,22 Centro Algodones , Civil Engineer General Manager Geobrugg North America

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Tim Shevlin
 

Tim Shevlin

Sales Director

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Geobrugg North America, LLC,Salem OR 97302 / США Sales Director

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