Results for Construction technology

27 November 2000

Geology and surveying

Tunnel construction depends on scientific knowledge. Geology helps to find ways through the rock.

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6 September 2006

Breakthrough in the Gotthard

The Gotthard Base Tunnel is the centrepiece of the NRLA. The first breakthrough by a boring machine takes place in the east bore.

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15 October 2008

Traversing the Piora Basin

The Piora Basin, with its sugar-grain rock, threatens to endanger construction of the Gotthard Base Tunnel.

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23 August 2013

A million visitors

During construction of the Gotthard and Lötschberg Base Tunnels, the general public have an opportunity to view the inside of the mountain. Huge numbers do so.

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31 October 2014

Rock meets concrete

The Gotthard Base Tunnel is a high-tech product – and, like every tunnel, the result of much hard graft: by labourers, masons and concrete layers.

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1 October 2015

Tests on the Gotthard

There is a lot of technology in the new Gotthard line. Extensive tests are carried out to ensure it works properly.

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2016

Tunnels of the world

Whose tunnel is the longest? Tunnel construction is a never-ending competition for the world record.

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