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Project information
Lötschberg Base Tunnel
Section "Adelrain Fork"
Adaptable travelling tunnel-formwork
unit for funnel-shaped cavern
Project data
Type of building: tunnel
Method: mining method
Location: Frutigen, Switzerland
Formwork system: Large-area formwork Top 50
Duration of insert: 4 months
Building data
Purpose of the tunnel: railway
Section: circular
inside width (m): 13,1 m - 7,6 m / 18,1 m - 13,1 m
inside height (m): 9,95 m - 7,95 m / 9,95 m - 9,65 m
Formed tunnel length: 275 m
Steps: 16 / 12
Additional info
The formwork was folded down hydraulically
and abridged after each pouring step.
Contractor
Arge SATCO - Schweizer Alp Transit Consortium
Contact: Mr. Häfliger
www.satco.ch
Formwork design
Organisation in Country: Holzco-Doka
Technical Manager: Mr. August Morf
Department Amstetten: Tunnel Expertise Centre
Project Manager: Mr. Martin Wenger
  E-Mail: tunnel@doka.com
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