Ceneri Base Tunnel: North Drive in Vigana

At the end of December 2011, as foreseen 670 m of the 15.4 km long Ceneri Base Tunnel had been excavated by drill+blast for the north drive started in June 2009 at Vigana (Camorino). At the beginning of 2012 work began on the inner lining of this tunnel section. The tricky undercutting of the A2 motorway is numbered among the preliminary operations undertaken in this sphere.
As from 2012 only the drives from the Sigirino intermediate point of attack are to be tackled. At the beginning of 2012, 16.8 km (42.4 %) of the roughly 40 km of tunnels had been excavated. The inner lining is being...

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Issue 04/2011

Ceneri Base Tunnel: Stage reached by Work

1 Introduction The Ceneri Base Tunnel passes through Monte Ceneri over a length of 15.4 km. The overburdens amount up to 800 m. The route alignment takes the geological and topographical conditions...

Issue 04/2010

Ceneri Base Tunnel

Significance of the Ceneri Base Tunnel The ramps of the present railway route at the Ceneri possess gradients of up to 26 ‰. If the Ceneri Base Tunnel were not to be built additional locomotives...

Issue 04/2009 Switzerland

Ceneri Base Tunnel

The ramps of the present-day rail routes at the Ceneri amount to up to 26 %o - the same gradients that are to be found at the Gotthard. The building of the Gotthard Base Tunnel alone would not have...

Issue 01/2016 Switzerland

Breakthroughs in both Ceneri Base Tunnel Tubes

The main breakthrough took place in the western bore of the Ceneri Base Tunnel on January 21, 2016. Shortly after this final round of blasting the tunnellers were able to exchange handshakes. The...

Issue 04/2015

Ceneri Base Tunnel: Current Construction Status and Prospects

1 Description of the Project By creating the first virtually level rail route through the Alps, the NRLA opens up exciting new perspectives for rail transport. Freight can then be transported...