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HS2 launches final tunnel machine Karen towards Euston terminus
TBM Karen will excavate the second bore of the 4.5-mile Euston Tunnel.
A 271.5-tonne tunnel boring machine has started excavating a 2.2km tunnel to carry electricity beneath the River Thames.
Nearly 200 metres long and weighing over a thousand tonnes, HS2’s final tunnel boring machine is an underground factory digging a railway to Euston.
HS2 has officially commenced excavation work of the final tunnel bore on the 140-mile railway between central London and the West Midlands.
The Brihanmumbai Municipal Corporation (BMC) on Wednesday began lowering spare parts of a Tunnel Boring Machine (TBM) into the launching shaft for the twin tunnels being constructed under Phase 3-B of ...
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