Tunnel Bibra – formworks and concreting works

NBS Erfurt-Leipzig/Halle, PFA 2.2, section 243.6 +96 km – 240.5 km +36, part Tunnel Bibra

Client

Deutsche Bahn AG, Germany

Superior Contractor

Marti GmbH Deutschland, Germany

Construction period

October 2009 – May 2012

Objects description:

  • north tunnel tube from the east portal
  • south tunnel tube from the east portal
  • escape galleries

Construction technology:
Performance of formworks and concreting works of secondary lining in north and south tunnel tube.

Executed works:

  • concreting of north tunnel tube – the total length 3 780 m
  • concreting of south tunnel tube – the total length 6 330 m
  • the total number of escape routes – 13
  • the total number of blocks is 1 270, with a typical cross-section 10 m long, number of blocks with concrete arch into escape gallery is 26