Diablo railway tunnel Ways & Freytag Ingenieurbau AG
In a joint venture with Vinci Construction Grand Projects 2008 – 2009
Conversion of the dead-end station at Zaventem Airport, Brussels into a through station; connection of the station to the new high-speed railway line from Brussels to Antwerp
• 2 TBM-driven tunnels, length: 1,07 km each, external diameter 8,00 m, 1428 rings of 7+1 segments
Maximum hydraulic pressure 2,3 bars,
Test pressure 4,6 bars at worst combination of 5 mm gap and 20 mm offset
Tunnel Flex 33 Plus, Rubber gaskets with 90° Soft corners
