Wolf 2 – Concrete slab feeder tunnel of the Brenner base tunnel
Facts and Figures
| Company | ÖBA – Österreichische Betondecken Ausbau GmbH |
| Principal | Swietelsky Tunnelbau GmbH & Co. KG |
| Location | Innsbruck - Austria |
| Type | Concrete slab construction |
| Service duration | 03.2017 - 04.2017 |
Top performance under difficult conditions.
For the Brenner base tunnel, ÖBA constructed a 3.3 km long single layer concrete slab in the “Wolf 2” feeder tunnel in March and April 2017.
The extreme linear angle of 10% and the extremely constricted space in the tunnel were major challenges for the ÖBA team.
In addition, the works had to be carried out in a single layer execution with a very high slab thickness of 30 cm. All that in a short construction time and under strict terms by the customer.
Difficult surroundings as a challenge.
The 3.3 km long stretch had to be concreted in only a few weeks in a very restricted space.
© ÖBA
Millimetre work under the mountain.
In particular the positioning of the paver unit in the tunnel was precision work.
© PORR
Logistics in the deep.
The concrete had to be transported into the tunnel with dumper trucks and quickly processed there.
© PORR