Lighting

Kö-Arch Tunnel in Düsseldorf completely lit by LED Technology

The Kö-Arch Tunnel in Düsseldorf is the first tunnel in Germany to be completely illuminated by LED technology. The tunnel is part of the complex “Kö-Arch” urban construction concept, which diverts traffic in the city centre underground in favour of green areas and pedestrian routes. The first construction section beneath the Daniel Libeskind Buildings of the Hofgartenstraße to the Heinrich Heine Allee was actually opened nine months earlier than originally planned without exceeding the projected construction costs. Construction sections 2 and 3 have also been finished. The entire tunnelling...

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Issue 2013-06 Austria

Bosruck Tunnel: Redeveloping the existing Bore

A second bore was produced by drill+blast using the New Austrian Tunnelling Method (NATM) for the 5.5 km long, 2-lane Bosruck Tunnel on the A?9 motorway. It possesses 2 lanes. After being broken...

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Issue 2018-02 Rhomberg

Pedestrian Guidance System for Rail Tunnels: HandraiLIT

Safe and simple emergency lighting in rail tunnels can be a life-saver in case of an emergency. According to the manufacturer, “handraiLIT” from Rhomberg is a long-lived pedestrian guidance system,...

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Issue 2010-03 Austria

Breakthrough at Pfänder Tunnel

A second bore for the 6.6 km long Pfänder Tunnel was driven with a tunnelling machine (S-494, Herrenknecht AG) with 11.85 m cutterhead diameter. The support was provided with 25 cm thick and 2 m...

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Issue 2011-08 Austria

Bosruck Tunnel: Breakthrough for 2nd Bore

The breakthrough of the second bore for the 5.5 km long Bosruck Tunnel designed for 2 lanes took place on August 11, 2011 after only 17 months of construction. It occurred 2.5 months earlier than...

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Issue 2012-02 Switzerland

Zurich: Milchbuck-Tunnel with Safety Tunnel

The Milchbuck Tunnel (1985) is one of the most important traffic arteries within the bounds of the city of Zurich. It is numbered among the most frequently used single-bore tunnels in Switzerland....

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