CRCHI unveils the World's First Variable Diameter Inclined Shaft Tunnel Boring Machine
https://www.youtube.com/watch?v=YQT-vU3z618 The World's First Variable Diamete...m overcame the problem of large-scale diameter variation of the cutterhead and shield body, expanding the diameter...CRCHI unveils the World's First Variable Diameter Inclined Shaft Tunnel Boring Machine
https://www.youtube.com/watch?v=YQT-vU3z618 The World's First Variable Diamete...m overcame the problem of large-scale diameter variation of the cutterhead and shield body, expanding the diameter...Second giant HS2 tunnel boring machine gets ready to start digging under Birmingham
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Oslo and Akershus negotiatons about Oslo Package 3 are over. The page is pretty complex. Important thins is, constr...Appraisal for vans on electricity and hydrogen up to and including 2030. Double...
cover tunnel photo by: Matt Brown from London, England / CC BY
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