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Tunnelling progress as HS2 machines reach Little Missenden
HS2 have confirmed that two giant tunnelling machines are 75%…
HS2 have confirmed that two giant tunnelling machines are 75% of the way through the 10 mile long Chiltern tunnel.
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David Emms
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HS2 finish foundation work for UK’s longest railway bridge
HS2 have finished installing the 292 concrete piles that will…
HS2 have finished installing the 292 concrete piles that will form the foundations for bridge at the 2.1-mile Colne Valley Viaduct.
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HS2 reveal design for noise-cancelling north portal of the Chiltern Tunnel
HS2 have revealed designs for the north portal, which cuts…
HS2 have revealed designs for the north portal, which cuts noise from trains entering and exiting the Chiltern Tunnel at speeds of up to 320km/h.
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HS2 tunnelling machines complete first stage of digging under Chilterns
Two Tunnel Boring Machines (TBMs) excavating HS2’s longest tunnels have…
Two Tunnel Boring Machines (TBMs) excavating HS2’s longest tunnels have completed the first stage of their drive up to the first ventilation shaft at Chalfont St Peter.
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HS2 ramps up work on concrete deck of the UK’s longest railway bridge
HS2 has begun production on 1,000 concrete segments that will…
HS2 has begun production on 1,000 concrete segments that will form the deck of the Colne Valley Viaduct, the UK’s longest railway bridge.