Zentralbahn railway, Lucerne
The stretch between Lucerne main station and Kriens Mattenhof station is being expanded to a twin track and sunk underground. This project consists of the mined, 550 metre-long Hubelmatt tunnel, the 300 metre-long underground station, the 470 metre-long Allmend tunnel and the 140 metre-long Mattenhof ramp. Enjoy the movie.
Project description
The stretch between Lucerne main station and Kriens Mattenhof station is being expanded to a twintrack and sunk underground. This project consists of the mined, 550 metre-long Hubelmatt tunnel, the 300 metre-long underground station, the 470 metre-long Allmend tunnel and the 140 metre-long Mattenhof ramp.
Construction method Mattenhof ramp:
- Excavation trench closures with burgeoned sheet pile walls
- Water retention by means of well point and large filter well
- Floor plates and walls created as "white trough"
Construction method Allmend cut-and-cover tunnel:
- Excavation trench closures with sheet pile walls
- Water retention by means of well point and large filter well
- Cut-and-cover design under pressurised air
Construction method Allmend station:
- Excavation trench closures by means of bored pile wall
- Concrete structure created with open construction method
Construction method Allmend portal:
- Trench excavation and rock extraction
- Securing excavation trench by means of rock nails and shotcrete
- Central ventilation system and mine tunnel with in-situ concrete design
Construction method North portal/Geissenstein:
- Excavation trench closures with anchored back sheet pile walls and retaining walls
- Securing rock with nails and shotcrete
- Mine tunnel and technical rooms with in-situ concrete
Map
Zusätzliche Dienstleistungen und Services
Unique features: Implementation as total contractor for shell work including total construction in the mining process and creation of the Allmend tunnel with cut-and-cover design under pressurised air.
Specific figures
OrganisationImplementation as total contractor.
Construction scheduleDecember 2008 - June 2013
Contract valueCHF 108 million
Contact for questions about the project | |
|---|---|
| Implenia Bau AG | |
| Telefon: +41 44 307 92 42 | |
| Location Zurich | E-Mail: info.ingenieurtiefbau@implenia.com |