BMG GmbH & Co. KG - Keithstrasse 2-4 - D-10787 Berlin | Tel: +49 (0)30 2100220

PDB 79

Construction Project
New Railway Construction Ebensfeld-Erfurt - Overpass Wohlrosetalbridge
Location
  • Gehren (Thuringia)
Client
  • DB Netz AG
Planning
  • ILF Consulting Engineers and OBERMEYER Planen + Beraten GmbH, Munich
Investment volume
  • approx. EUR 12.0 million
Construction time
  • 10 months
Contracted services for BMG
  • Section 55.8 HOAI-General construction supervision
  • Construction management
  • Contract management
Structures constructed
  • Railway overpass (L = 150 m) executed as prestressed concrete box girder
  • Four pylons with dimensions on the pylon head of W/D = 3.00/5.60 m
  • Raft foundation for pylons and abutment
Construction method
  • Superstructure field-by-field on falsework
Special features
  • Accompaniment of the construction project by an ecological construction supervision
  • Compensation of the unavoidable impact on nature with a detailed compensation concept
Utilization
  • Long-distance railway bridge (design speed= 300 km/h)
Construction
  • Prestressed concrete box girder
  • Structural system as five-field chain of single span girders
  • Grid distance between supports 25.50 m + 3 x 33.00 m + 25.00 m
  • Bridge width (W = 14.10 m)
  • Height of construction (H = 2.70 m)
  • Clear height (H = 3.625 m)
  • Maximum height above ground (H = 22.00 m)
Geology
  • Solid rock of the volcanic rock complex of the Rotliegende (red sediment)
  • The lower Rotliegende is made up of igneous rocks, tuffs, tuffites with sedimentary  inclusions of clay, silt and sandstones as well as conglomerates
  • Rock covered with weathered slope rock, on which quaternary river gravel was deposited in the valleys