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Tunnelling progress as HS2 machines reach Little Missenden
HS2 have confirmed that two giant tunnelling machines are 75% of the way through the 10 mile long Chiltern tunnel.
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HS2 announce carbon cutting milestone
HS2 have moved over 10 million tonnes of material by rail, reaching a milestone in HS2’s plan to cut carbon emissions by removing lorries from roads.
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IMAGES: HS2 reveals final design for the North Portal of the Chiltern Tunnel
HS2 has revealed the final design for the North Portal of the Chiltern Tunnel, the last of seven key design elements for the project’s longest tunnel.
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Images: HS2 tunnelling machines pass Amersham
HS2 have confirmed that the two giant tunnelling machines digging under the Chilterns have passed the third of five ventilation and emergency access shafts.
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Video: HS2 celebrates tunnels reaching halfway point under the Chilterns
HS2 have confirmed that two giant tunnelling machines have passed the halfway mark during the excavation of the 10-mile-long Chiltern tunnels.
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HS2 finish foundation work for UK’s longest railway bridge
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 Chiltern tunnel TMBs reach four-mile point
The Tunnel Boring Machines excavating HS2’s Chiltern tunnels have completed the first four miles of their drive.
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HS2 complete first tunnel cross passages
HS2 has completed the first of thirty-eight underground connections between the northbound and southbound tunnels under the Chilterns.
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HS2 announce the start of construction on UK’s longest railway bridge
HS2 have reached a major milestone as they begin work on the UK’s longest railway viaduct on the outskirts of London.
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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 noise from trains entering and exiting the Chiltern Tunnel at speeds of up to 320km/h.
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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 form the deck of the Colne Valley Viaduct, the UK’s longest railway bridge.
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HS2 releases designs for final Chiltern tunnel rural headhouse
HS2 has unveiled the first plans for the final ‘barn design’ headhouses, as construction has begun to provide emergency access to the 10-mile-long Chiltern tunnel.
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VIDEO: HS2 begins excavation of first ‘barn design’ tunnel vent shaft
Engineers working on Britain’s new high-speed railway have begun excavating the first of five shafts that will provide ventilation and emergency access to the 10-mile long tunnels they are digging under the Chiltern hills.
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HS2 launches second tunnel boring machine at Chiltern site
HS2's second tunnel boring machine, 'Cecilia', will operate alongside an identical machine, named ‘Florence’, to excavate separate northbound and southbound tunnels.
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HS2 Ltd to launch first of 10 tunnel boring machines
In a landmark moment for the project, HS2 Ltd will launch the first tunnel boring machine from HS2’s South Portal site on 13 May 2021.