Client
Deutsche Bahn AG, Germany
Superior Contractor
Marti GmbH Deutschland, Germany
Construction period
November 2008 – June 2010
Objects description:
- north tunnel tube from the east portal
- south tunnel tube from the east portal
- escape gallery
Construction technology:
Tunnel was driven by NATM (New Austrian Tunnelling Method), with using drilling and blasting works, in a way of split bench.
Executed works:
- driving of the tunnel tubes, profile 91 m2
- length of north tube 3 170 m
- length of south tube 3 170 m
- driving period was 18 months,11/2008-04/2011
- driving of 13 escape galleries, length 10 m, profile 54 m2
- primary support of tunnels by using of shocrete, lattice girders, wire meshes and rock anchors type SWELEX