Laiz railway overpass

Realisation of the complete structure next to the original one. While the line was shut down, dismantling of the railway embankment, including rails and demolition of the old structure, preparation of a deep foundation (bored pile), casting (pile heads, gap closures), preparation of the sub-grade, insertion of the structure, removal of stacking to lower the structure by 1.40 metres, backfilling and realisation of the superstructure as well as the tracks.

Vorschaubild YouTube Video

Construction panel

Laiz railway overpass
Frame structure


DB Netz AG, Karlsruhe

Excecution period:

09/2020 to 10/2021

Order volume:

€ 1.9 million

Scope of work:

Structure: 8.00 metres total length superstructure, 6.40 metres total width superstructure, 3.77 metres smallest clear height, 20.00 metres distance moved
Masses: 300,00 cubic metres of concrete, 60.00 tonnes of reinforced steel, 120.00 metres bored piles, 2,000.00 cubic metres of excavation and reinstatement

Further reference projects:

Structural engineering with HERING:

  • Construction of new railway overpasses as well as partial renewal and rehabilitation
  • Construction of new crossing structures
  • Bridges
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