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Protecţia împotriva căderilor de pietre - Skagway, Alaska 2020

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

Protecţia împotriva căderilor de pietre - Skagway, Alaska 2020

Active rockfall chute directly above facilities to be protected

Protecţia împotriva căderilor de pietre - Skagway, Alaska 2020

Concrete base support (foundation) steel reinforcment

Protecţia împotriva căderilor de pietre - Skagway, Alaska 2020

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

Protecţia împotriva căderilor de pietre - Skagway, Alaska 2020

Elevated post base support (foundation)

Protecţia împotriva căderilor de pietre - Skagway, Alaska 2020

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

Protecţia împotriva căderilor de pietre - Skagway, Alaska 2020

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

Protecţia împotriva căderilor de pietre - Skagway, Alaska 2020

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

Protecţia împotriva căderilor de pietre - Skagway, Alaska 2020

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

Protecţia împotriva căderilor de pietre - 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

Protecţia împotriva căderilor de pietre - Skagway, Alaska 2020

Top view of RXE-8000 rockfall barrier

 

Sisteme

 

Lungime sistem

- 36 m

 

Anul instalării

2020

Situația inițială

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.  

Descriere

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).

Obiect protejat

Calea ferata, infrastructura turistică, Altele

Protecţie împotriva coroziunii

Galvanized, GEOBRUGG SUPERCOATING

Tehnologie

Alte aplicaţii instalate

Protecţia împotriva căderilor de pietre

Contactul dvs. local

Roger Moor
   

Roger Moor

Country Manager Ost- und Zentralschweiz, Liechtenstein

Natural Hazards
Inginerie hidraulică
Minerit / Tuneluri
Geobrugg AG,Aachstrasse 11,8590 Romanshorn / Elveţia Country Manager Ost- und Zentralschweiz, Liechtenstein

E-mail

René Müller
   

René Müller

Country Manager Kantone AG BE BL BS FR GE JU NE SO VD VS

Natural Hazards
Inginerie hidraulică
Minerit / Tuneluri
Geobrugg AG,Industriestrasse 21,5200 Brugg / Elveţia Country Manager Kantone AG BE BL BS FR GE JU NE SO VD VS

E-mail

Alexander Bittendorfer
   

Alexander Bittendorfer

Project Manager Inspection Services

Natural Hazards
Geobrugg AG,Aachstrasse 11,8590 Romanshorn / Elveţia Project Manager Inspection Services

E-mail

Isacco Toffoletto
   

Isacco Toffoletto

Ticino Country Manager

Natural Hazards
Inginerie hidraulică
Minerit / Tuneluri
Geobrugg AG Ticino,Stabile Cometal, via Pizzante 7,6595 Riazzino / Elveţia Ticino Country Manager

E-mail