18-19 June 2025
Porterbrook’s Long Marston Rail Innovation Centre

Tunnel Arches

SATEBA UK Stand: W15
Tunnel Arches
Tunnel Arches
Tunnel Arches

SATEBA UK are experienced in working with designers and specifiers to create unique, bespoke tunnel arches. This includes the Green Tunnels currently being supplied to the HS2 project. 

Designed as a double arch, the tunnel has two separate halves for southbound and northbound trains. Instead of the whole tunnel being cast on site, five different concrete precast segments are slotted together to achieve the double arch – one central pier, two side walls and two roof slabs.

Construction requires less people and equipment on site, improving safety and reducing disruption for residents. The innovative design ensures that less steel and less concrete is used. This, together with being produced offsite has significantly reduced embedded carbon by as much as 50%!

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