Germany

Hirschhagen Tunnel:
Polypropylene Fibre Concrete for enhanced Fire Resistance

Work on building the 4.3 km long Hirschhagen Tunnel commenced in early June 2013. It is planned to complete Germany’s second longest road tunnel in 2018 Quelle/credit: Hessen Mobil
Work on building the 4.3 km long Hirschhagen Tunnel commenced in early June 2013. It is planned to complete Germany’s second longest road tunnel in 2018
Quelle/credit: Hessen Mobil
View of the two tunnel bores and the access area from the direction of Helsa close to the federal highway B7 Quelle/credit: Dyckerhoff GmbH
View of the two tunnel bores and the access area from the direction of Helsa close to the federal highway B7
Quelle/credit: Dyckerhoff GmbH
Securing the driving activities by using a pipe umbrella Quelle/credit: Baresel GmbH
Securing the driving activities by using a pipe umbrella
Quelle/credit: Baresel GmbH
Side wall drifting in the Hirschhagen Tunnel: cautious progress with part-excavations Quelle/credit (2): Baresel GmbH
Side wall drifting in the Hirschhagen Tunnel: cautious progress with part-excavations
Quelle/credit (2): Baresel GmbH
A polypropylene fibre concrete of quality CEM II/A-S 42.5 R from the Dyckerhoff factory at Deuna is being used for the inner shell with enhanced fire resistance for the Hirschhagen Tunnel Quelle/credit: Hessen Mobil
A polypropylene fibre concrete of quality CEM II/A-S 42.5 R from the Dyckerhoff factory at Deuna is being used for the inner shell with enhanced fire resistance for the Hirschhagen Tunnel
Quelle/credit: Hessen Mobil

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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tunnel 01/2015

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tunnel 01/2015

Ressort:  Brandschutz | Fire Protection
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