Tunnel seals

Tunnel seals

Expected life: more than a hundred years

The Gina gasket and Omega seal are used between the sectional elements of immersed tunnels to prevent water ingress due to external water pressure. This combination of seals not only allows for sealing but also for the transfer of the hydrostatic loads and movements between the tunnel ends due to soil settlement, creep of concrete, temperature effects and seismical activity. The designs are generally based on the expected tunnel lifetime of 120 years.

Blue Dimension™ benefits:

  • Safer tunnels
  • Longer life
  • No maintenance


If you would like to know more about this solution, please go to: Tunnel seals


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