Client
Deutsche Bahn AG, Leipzig, Germany
Superior Contractor
Arge Marti Coburg Ost, Germany
Construction period
December 2010 – December 2011
Description of Objects:
- tunnel Feuerfelsen 1 003 m is a part of transport project, “Deutsche Einheit Nr.8.1” construction of high speed railway Nürnberg-Erfurt-Leipzig/Halle-Berlin
Construction technology:
Tunnel is driven by the NATM – New Austrian Tunnelling Method – by using drilling and blasting works, in a way of split bench.
Executed works:
- driving of tunnel tube of double track railway tunnel, profile 166 m2 (calotte 85 m2, bench 48 m2, invert 33 m2)
- driving of escape gallery NA1, NA2, profile 17 m2
- length of tunnel tube is 1 003 m
- length of escape gallery NA1 92,7 m
- length of escape gallery NA2 132 m
- height of overburden is from 10 to 25 m
- primary support of tunnels by using of shocrete, lattice girders, wire meshes and rock anchors type SWELEX