Germany

Kurhessenbahn Railway to build new Zierenberg Tunnel

The Kurhessenbahn Railway’s Zierenberg Tunnel which opened back in 1897 has a single track and is 816 m long. As renovation is uneconomic a new 937 m tunnel bore is to be set up parallel 13 to 20 m north of the existing one by early 2019. First of all, site accesses are to be established at the west portal with a bridge for lorries being developed; these preparatory activities are due to last until late 2014. Work on driving the tunnel is scheduled to commence in mid-2015. The new tunnel is to be produced by drill+blast. Blasting will take place using an electronic ignition process with short...

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Issue 03/2016

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1 Introduction The Ulriken Tunnel is part of the “Bergensbanen”, the railway line between Oslo and Bergen in Norway (Fig. 1). The existing tunnel, which was opened in 1964, is 7.7 km long and is...

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Issue 07/2017 Stuttgart 21

Second Bore of the Bad Cannstatt Tunnel broken through

The DB Projekt Stuttgart–Ulm GmbH celebrated the breakthrough of the second (west) bore of the Bad Cannstatt Tunnel on 10 October 2017. This means that in about three and a half years, the two bores...

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Issue 04/2010 Austria

Second Bore for Bosruck Tunnel

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Issue 06/2013 Austria

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