Austria / Brenner Base Tunnel

Completion of Ventilation Shaft

Both during the construction phase as well as during subsequent rail operations of the Brenner Base Tunnel, the ventilation shaft at the community of Patsch together with the ventilation cavern will serve to supply fresh air to the tunnel system in the vicinity of Innsbruck extending halfway along the route to Wolf and to remove spent air from this section. The 180 m deep shaft with 5.80 m diameter leads perpendicularly from the surface down to the Ahrental access tunnel. As from a depth of roughly 20 m the shaft was produced downwards from the top by means of drill + blast and lined with...

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Issue 3-4/2025 Austria/Italy

Brenner Base Tunnel – Construction Progress, Summer 2025

The BBT consists of two 8.1 m wide tunnel tubes, which run single-track at a distance of 40–70 m. The two main tubes are connected by cross passages every 333 m. The total construction costs are...

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Issue 07/2012 Austria

Brenner Base Tunnel: Ampass Access Tunnel

Following completion of the 1.8 km long Mauls access tunnel, working is currently forging ahead on the Wolf and Ahrental (2.4 km) access tunnels. After lengthy preparations, work commenced on the 1.4...

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Issue 05/2023

Brenner Base Tunnel: Sandvik DT923i Used for Drill and Blast Excavation of the Main Tunnels

Around 158 km of the total of approx. 230 km of tunnel had been excavated by the end of August 2023. The BBT consists of two 8.1 m wide single track tunnels that run at a distance of 40–70 m. At...

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Austria/Italy

Brenner Base Tunnel: TBM Virginia Has Reached the Brenner

Since May 2019, the over 200-metre-long TBM had been working its way from the assembly cavern towards the Brenner Pass. By reaching its destination, part of the first main tunnel tube has been...

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Issue 02/2023 Austria/Italy

Brenner Base Tunnel: TBM Virginia Has Reached the Brenner

After 4 years, the first tunnel boring machine (TBM) of a main tunnel in the Brenner Base Tunnel successfully completed driving on 30 March 2023. TBM Virginia covered around 14 km on its journey,...

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