HS2 to use giant 3D printing robot arm to cut carbon and costs

By Tom Lowe2021-08-03T05:00:00

Tech to be used by Costain, Skanska and Strabag on tunnels between Euston station and the M25

HS2 is planning to use a five-tonne robotic arm to 3D print sections of the £100bn railway under plans to reduce carbon emissions and costs.

The technology, the first of its kind to be used in the UK, will use concrete mixed with graphene to build up components on site layer by layer.

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