segmental lining

TBM Emily lifted after 3.4-mile HS2 tunnel drive

04/08/2025 09:00 | Concrete Contracting

Tunnel drive completes with 17,514 precast segments installed beneath west London
TBM milestone as 400,000 precast segments drive Brenner tunnel forward

01/08/2025 09:00 | Precast Production

Italian side nears completion as segment use and concrete volumes highlight project’s scale
HS2 tunnel breakthrough delivers concrete milestone

08/07/2025 09:00 | Precast Production

Over 17,000 precast segments installed as TBM ‘Emily’ completes 5.5km drive under west London