Technical specifications

Structural modification of Schuman train and metro station;
construction of double-track Schuman-Josaphat Tunnel

  • box section
  • Length: 1,400 m
  • Width: approx. 10.85 m
  • Height: 6.86 m
  • Pipe jacking to build a pipe umbrella support system


Lengths of pipe jacking

  • 703 m with an internal diameter of 3.00 m
  • 1,700 m with an internal diameter of 1.80 m
  • 550 m with an internal diameter of 1.40 m

Construction method

  • Mining techniques for most of the tunnel
  • Partly under the protection of manually constructed underpinnings
  • Partly by a pipe umbrella support system constructed using the pipe jacking method
  • pipe jacking using an AVN 1800 machine

Geology

  • Sand with beds of sandstone

General data

Project
Schuman-Josaphat Tunnel
Double-track railway tunnel

Client 
Departement Mobiliteit en Vervoer
[Belgian Department of Transport]

Contractor
Wayss & Freytag Ingenieurbau AG
in a joint venture

Construction period
October 2008 to June 2015

Construction costs
€ 217 million

 

 

Utilisation
Infrastructure
Type
Railway tunnel, double-track
Length
1,400 m
Construction Method
Mining techniques
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