Switzerland

Gotthard Base Tunnel: First bore completion breakthrough in world‘s longest rail tunnel

1 Former Swiss Federal Councillor Adolf Ogi, Federal Councillor Moritz Leuenberger (Minister of Transport) and Dr. Renzo Simoni, CEO of AlpTransit Gotthard AG (left to right)
1 Former Swiss Federal Councillor Adolf Ogi, Federal Councillor Moritz Leuenberger (Minister of Transport) and Dr. Renzo Simoni, CEO of AlpTransit Gotthard AG (left to right)
2 The 57 km long Gotthard Base Tunnel (longitudinal section showing the breakthrough point at Sedrun)
2 The 57 km long Gotthard Base Tunnel (longitudinal section showing the breakthrough point at Sedrun)

The world‘s longest rail tunnel is coming ever closer to reality: the first bore completion breakthrough in the Gotthard Base Tunnel took place in the eastern bore on October 15, 2010, 30 km from the south, and 27 km from the north, portal; at 14:18h, tunnel-boring machine Sissi (Herrenknecht AG‘s S-210), approaching from the direction of Faido, broke through the final meters of rock barring the way to Sedrun.

Some two hundred people, with guests of honour including Swiss transport minister Moritz Leuenberger and former Federal Councillor Adolf Ogi (Fig. 1), witnessed the breakthrough in the...

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tunnel 08/2010

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tunnel 08/2010

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