Client
Landeshauptstadt Stuttgard, Tiefbauamt, Hohe Strasse 25, 70176 Stuttgart, Germany
General contractor
ARGE Marti Tunnel Rosenstein
Construction period
April 2014 – August 2018
Objects descriptions / Description of the objects:
- Access tunnel, lenght 72m
- Road tunnel consisting of two paralel tunnel tubes, each with a lenght of 750m
Construction technology:
- Tunnel driving by mining methods without drill&blast works .
Executed works:
1. Preparing of site area
2. Excavation of access tunnel from bus parking place – ZOO Wilhelma
3. Excavation of main tunnels:
– downwards excavation: south tunnel tube, direction Neckartalstrasse (breakthrough No.4)
– downwards excavation: north tunnel tube, direction Neckartalstrasse (breakthrough No.4)
– upwards excavation: south tunnel tube, direction Pragstrasse (breakthrough No.4)
– upwards excavation: north tunnel tube, direction Pragstrasse (breakthrough No.4)