4th Tube for River Elbe tunnel   4th Tube for River Elbe tunnel 1. General Especially since the beginning of industrialization, the Elbe has been an important lifeline for Hamburg; however, it has also been an...  

Air Cushion Siphon Wiener Platz, Dresden   Air Cushion Siphon Wiener Platz, Dresden As a result of the City of Dresden's decision to revamp the Wiener Platz on the south side of the Central Station, the combined system main collector had to...  

Antwerp North-South Link (ASDAM)   Antwerp North-South Link (ASDAM) The section included the driving of two single-track tunnel tubes between the Astridplatz in front of the Central Station and the Damplatz in the north of Antwerp....  

Arnsberg Altstadt Tunnel   Arnsberg Altstadt Tunnel The surrounding ground comprises alternating beds of solid to hard limestones and chalky clay shales and marl shales. The ground only permits little water to pass through it,...  

Aubing Tunnel   Aubing Tunnel The Aubing Tunnel represents the core of the west section of the A 99, Munich's motorway ring, which is currently under construction. The tunnel is designed in the form a closed, 2-cell...