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 km long Ampass access tunnel at the beginning of May 2012. Prior to this the portal zone was produced by dig-and-cast for undertunnelling the L283 highway. Two lay-bys and 2 turning recesses were driven on account of the small excavated cross-section. The first 300 m of the tunnel penetrates soft ground, which was consequently tackled by excavators and secured by shotcrete and anchors. Then...

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Issue 2014-07 Brenner Base Tunnel

Shotcreting at the Tulfes-Pfons Section

Work on the tubes of the Brenner Base Tunnel, one of the largest underground infrastructure works in the world, is in full swing on different fronts. Excavation of the new Tulfes-Pfons section...

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Issue 2014-08 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...

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Issue 2015-02 Brenner Base Tunnel

BBT: Start of Works on the main Tunnel

The work on the Brenner Base Tunnel, the 64 km long heart of the new Brenner rail line between Munich and Verona, is progressing apace. On March 19, 2015, work began on the main tunnel in Austria....

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Issue 2015-07 Brenner Base Tunnel

Start-Up of the first TBM in the Austrian Part of the BBT

On September 26, 2015, almost exactly a year after works started on the Tulfes–Pfons construction lot, the first tunnel boring machine (TBM) to be used in the Austrian part of the Brenner Base Tunnel...

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Issue 2012-02 Switzerland

Handeck-Gerstenegg Exploratory Tunnel

Currently the Handeck-Gerstenegg exploratory tunnel is under construction to secure access in winter to the Grimsel 1 and 2 power plants as well as to open up  further “KWO plus” projects for the...

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