Tunnel Küchen, Germany – formwork and concreting works


Hessen Mobil Straßen- und Verkehrsmanagement, Wilhelmstraße 10, 65185 Wiesbaden, Germany

General contractor

Joint venture Innenschale Tunnel Küchen

Construction period

August 2014 – May 2015

Objects description: Highway tunnel with two parallel tubes on state motorway A44, between Kassel and Herleshausen in Hessen, Germany.

  • north tunnel tube from east portal,
  • south tunnel tube from east portal,
  • escape corridors.

Construction technology: Execution of formwork and concreting works of secondary lining in south and north tunnel tube.

Executed works:

  • concreting of north tunnel tube with the total length of 1 373 m,
  • concreting of south tunnel tube with the total length of 1 333 m,
  • formwork and concreting in cut & cover part with a length of 155,75 m,
  • the total number of escape corridors – 5 (2 in a layby),
  • the total number of 10 meters long blocks is 277.