Germany

Boßler Tunnel: 1000 m excavated, mechanized Drive scheduled to be extended

The DB Projekt Stuttgart-Ulm GmbH is forging ahead with the construction of the Boßler Tunnel as planned. It is the longest tunnel on the new Wendlingen-Ulm rail route with a length of 8806 m. The tunnel boring machine bearing the name Kätchchen reached the 1000 m mark late in the evening on June 18, 2015 in the eastern bore, which subsequently will house the Ulm-Stuttgart track.

“We had envisaged roughly two months for the tunnellers to get accustomed to the rock and the machine as from mid-April when Kätchchen started up” says Matthias Breidenstein, DB project manager for the new Albaufstieg...

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Issue 2015-03 Germany

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Issue 2017-04 Germany

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Germany

Boßler Tunnel: TBM commenced building the second Tunnel Tube

Käthchen, the tunnel boring machine (TBM), which the DB Projekt Stuttgart–Ulm GmbH is using to drive the Boßler Tunnel on the new Wendlingen–Ulm rail route, embarked on its second shield passage...

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Issue 2013-02 France

Vosges Tunnel: 2nd Bore started

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Issue 2014-04 Germany

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