Redeveloping the Michaelstunnel/D

Special Cutting Units for a complex Tunnel Project

Four Terex hydraulic cutting units had a central role to play in renovating the Michaelstunnel, a 2.5 km long road tunnel in Baden-Baden/D. A total of 27 million euros was invested to redevelop and renovate the busy, 2-lane tunnel. This included the planning of a new ventilation system, additional evacuation tunnels and installing a fireproof tunnel ceiling.

The 2 Austrian contractors Jäger Bau GmbH (Schruns) and PKE Verkehrstechnik GmbH (Vienna) were commissioned to provide the structural and operational engineering. Prior to installing the new ventilation system the old ceiling first had to...

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