Germany

Hirschhagen Tunnel: Polypropylene Fibre Concrete for enhanced Fire Resistance

The Hirschhagen Tunnel, which was commissioned by Hessen Mobil – Straßen- und Verkehrsmanagement, is a construction section of the A44 federal motorway between Kassel and Herleshausen. It will run from Helsa to Hessisch Lichtenau. Work on building the 4.2 km long motorway tunnel commenced in early June 2013. It is to be provided with two twin-lane bores, which are connected by 15 cross-passages, some of which can be negotiated by vehicles. The passages between the bores are equipped with locks and fire protective doors. A breakdown bay with emergency call facility will be set up every 600 m...

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Issue 2010-03 Germany

The Hirschhagen Tunnel approved

The plan approval decision for the construction section from Helsa-East to Hessisch Lichtenau-West of the A44 motorway also marks work starting on the 4.1 km long Hirschhagen Tunnel, the longest on...

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Issue 2019-01 Germany ¤ Deutschland

Porr Infra to kit out Germany‘s second-longest Road Tunnel

The Porr bidding consortium won the tender for the construction project “A44, VKE 12, Tunnel Hirschhagen, Technische Ausstattung” at the turn of the year 2018/19. Porr Infra GmbH will be responsible...

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Germany

Porr Infra to kit out Germany's second-longest Road Tunnel

In the course of the new construction of the 5.2-km-long section of the A44, the two-tube Hirschhagen tunnel will play a leading role in traffic technology. The lot has a length of around 4.2 km...

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Issue 2014-06 Switzerland

Self-Rescue in the Simplon Tunnel

The 19.8 km long Simplon Tunnel (completed in 1922) between Bries (Switzerland) and Iselle (Italy) possesses two single-track bores with two sets of points at the centre of the tunnel and...

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Issue 2013-04 Switzerland

Eyholz Tunnel: North Bore broken through

The Eyholz Tunnel between Stald­bach and Grosshüs serves the A?9 motorway to circumvent Visp in the Canton of Valais/CH, passing in the south. It consists of 2 bores set some 30 m apart with 15...

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