Germany

New Pforzheim Tunnel to be completed by 2025

The 903 m long Pforzheim rail tunnel, constructed from 1858 to 1860 between Ispringen and Pforzheim on the Pforzheim–Mühlacker line, most recently underwent refurbishing in 1984 and is now to be replaced; a new tunnel is currently under construction, using underground tunnelling methods, and will take the form of a waterproofed structure running parallel to the old tunnel. Low-impact, low-vibration tunnelling employing a partial-face excavation machine has been selected, in view of the close proximity of the existing bore. The new bore will have a length of 909 m and will be of double-track...

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Germany

New Pforzheim Tunnel

In November 2014 the Deutsche Bahn launched measures for building a new rail tunnel between Ispringen and Pforzheim on the route between Karlsruhe and Mühlacker. The existing 903 m long tunnel was...

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Germany

Upgrading Project VDE 8.1: Burgberg Tunnel receives 2nd Bore

As part of the rail upgrading project VDE 8.1, a second two-track bore is required next to the existing Burgberg Tunnel on the 16 km section near Erlangen (completion by 2018, cost about 108 million...

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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...

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Germany

Redeveloping the Schlüchtern Tunnel

The New Schlüchtern Tunnel is nearly 4 k m long and possesses 9 m internal diameter. It was driven using a tunnel boring machine (TBM) at a distance of 50 to 90 m from the existing tunnel [1-4]. As...

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Germany

Eppstein Rail Tunnel completed

The new 2-track Eppstein rail tunnel was opened on April 2, 2013 after 2 years of construction. It replaces a 134 year old structure. For this purpose, services on the S-Bahn line 2 between Hofheim...

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