HS2 - Burton Green tunnel takes shape


THE 200-METRE-LONG portal for the Burton Green porous tunnel near Kenilworth has been finished, with 500 metres of the structure to be completed.

Built by main civils contractor Balfour Beatty Vinci, the tunnel will have green space created over the top with trees and plants, creating a new facility for local communities.

More than 160 roof segments were installed on the portal, each weighing more than 20 tonnes. The portal features a series of vents in the roof which reduce the ‘piston effect’ of trains moving through the structure.

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