Donnie the TunnelBoringMachine, behind some people.
https://www.trenchlessinternational.com/2019/12/17/boring-begins-on-coxwell-bypass-tunnel/
#Coxwell
...n Musk has no experience in mechanical engineering yet alone in tunnelboringmachines. You may hire some experien...nd get them tweak this and that on a Lovat TBM. But inventing a tunnelboringmachine 10 times faster than standard...
' thanks to the Japanese engineers' contributions to tunnelboringmachine technology'?
Are you serious?
The last time I checked it was the USA a.k.a Robbins, who invented TBM and took it further than anyone else.
As usual, New Civil Engineer is has a more sober header than daily newspapers.
Progress revealed on HS2 tunnelboringmachines
https://www.newcivilengineer.com/latest/progress-revealed-on-hs2-tunnel-boring-machines-27-05-2020/
...whenever an article has "Elon Musk" in it, the guy gets the benefit of the doubt even for radical things like 10 times faster boringtunnelboringmachine.
Then again, people line E...
Hi Lutz. You are confusing CityRailLink with the CentralInterceptor project. The former is 12 meter transport tunnel whereas the latter is a 5.45m waste water tunnel.
In any case, knowing your preferences, you will be glad to hear that it is 2-0 for Herrenknecht.
More opposition to Stonehenge tunnel...
https://www.salisburyjournal.co.uk/news/18181487.stonehenge-alliance-calls-a303-tunnel-scrapped-open-letter-government/
Looking back the Cologne tunnel sinking, can you blame the Bundestag administrators...been damaged by the construction of the underground tunnel.
https://www.tagesspiegel..../einigung-im-streit-zwischen-bahn-und-bundestag-s21-tunnel-...