Files

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  Eurotunnel English Channel tunnel geological profile.

  It is amazing how the tunnellers followed the chalk layer.     Image by: Commander Keane [CC BY-SA 4.0 (https://creativecommons.org/licenses/by-sa/4.0)]

  1847 days ago

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  HS2 CEO Mark Thurston

  Mark Thurston, the CEO of Britain's mega project High Speed 2 (HS2). source: HS2 media release https://mediacentre.hs2.org.uk/news/hs2s-ceo-to-step-down-after-six-and-a-half-years

  292 days ago

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  NFF Statistics: Total meter of tunnels excavated via TBM in Norway

  Total meter of tunnels excavated by TBM over the years. (from Norsk Forening for Fjellsprengningsteknikk NFF - Norwegian Association for Rock Blasting Technology)

  1237 days ago