Zierenberger Tunnel

Client

DB Projektbau GmbH, Frankfurt, Germany

Contractor

BeMo Tunnelling GmbH, Niederlassung West

Project location

Zierenberg, Hessen

Start of construction

2015

End of construction

2018

Project total value

21.5 million €

Geology

Nature park Habichtswald
Claystone and upper bunter sandstone

Technical Data

Tunnel Zierenberg, construction of a single-track railway
tunnel, parallel construction in the vicinity of the existing old tunnel.

Length ofTunnel: 936 m
Excavation material: 114.000 m³
Mining technology: 871 m
Declination max.: 12 ‰
Cut & Cover method ca. 65 m
Coverage max.: 3 – 60 m

Excavation: drill and blast, excavator
Execution: reinforced waterproof cast-in-situ secondary lining, NATM, driving
mostly ascending (West to East) in vicinity to the portals under pipe roofing