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Protezione da caduta massi - Skagway, Alaska 2020

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

Protezione da caduta massi - Skagway, Alaska 2020

Active rockfall chute directly above facilities to be protected

Protezione da caduta massi - Skagway, Alaska 2020

Concrete base support (foundation) steel reinforcment

Protezione da caduta massi - Skagway, Alaska 2020

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

Protezione da caduta massi - Skagway, Alaska 2020

Elevated post base support (foundation)

Protezione da caduta massi - Skagway, Alaska 2020

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

Protezione da caduta massi - Skagway, Alaska 2020

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

Protezione da caduta massi - Skagway, Alaska 2020

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

Protezione da caduta massi - Skagway, Alaska 2020

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

Protezione da caduta massi - 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

Protezione da caduta massi - Skagway, Alaska 2020

Top view of RXE-8000 rockfall barrier

 

Sistemi

 

Lunghezza del sistema

- 36 m

 

Anno di installazione

2020

Situazione iniziale

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.  

Descrizione

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).

Oggetto protetto

Ferrovia, Infrastrutture turistiche, Altri

Protezione dalla corrosione

Galvanized, GEOBRUGG SUPERCOATING

Progettazione:

Altre applicazioni installate

Protezione da caduta massi

Il contatto locale

Kevin H. Coyle
 

Kevin H. Coyle

Regional Manager Northeast

Sistemi contro il dissesto idrogeologico
Ingegneria idraulica
Geobrugg North America, LLC,3 Beaudet Terr,Columbia CT 06237 / Stati Uniti Regional Manager Northeast

E-mail

Saleh Feidi
 

Saleh Feidi

Regional Manager California

Sistemi contro il dissesto idrogeologico
Ingegneria idraulica
Geobrugg North America, LLC,8921 Emperor Ave.,San Gabriel, California 91775 / Stati Uniti Regional Manager California

E-mail

John Kalejta
 

John Kalejta

Regional Manager Central US

Sistemi contro il dissesto idrogeologico
Ingegneria idraulica
Geobrugg North America, LLC,3215 67th Avenue Pl,Greeley CO 80634 / Stati Uniti Regional Manager Central US

E-mail

Bob Lyne
 

Bob Lyne

Regional Manager Southeast

Sistemi contro il dissesto idrogeologico
Ingegneria idraulica
Geobrugg North America, LLC,8004 Windspray Drive,Summerfield NC 27358 / Stati Uniti Regional Manager Southeast

E-mail

Pierce Runnels, Civil Engineer
   

Pierce Runnels

General Manager Geobrugg North America

Sistemi contro il dissesto idrogeologico
Geobrugg North America, LLC,22 Centro Algodones , Civil Engineer General Manager Geobrugg North America

E-mail

Tim Shevlin
 

Tim Shevlin

Sales Director

Sistemi contro il dissesto idrogeologico
Geobrugg North America, LLC,Salem OR 97302 / Stati Uniti Sales Director

E-mail