China breaks foreign monopoly to lead global tunnel boring machine technology
https://www.youtube.com/watch?v=28G9AMhHFoQ China's rapid development in the field of tunnel boring machi.... Just over twenty years ago, China faced foreign restrictions in...ly developed its first shield tunneling machine, the "Tieyi No....BMRCL Gottigere – Nagawara line (Reach 6) tunelling aim for a start in March as 3 TBMs arrive
BMCRL has announced that 3 Tunnel Boring Machines have arrived from Germany with some parts bought from China. If the assembly of the TBMs...re is finally expected to start tunnelling for the Gottigere –...alore/others/aim-for-march-as-3-tunnel-boring-machines-are-here/articleshow/79972204...Snowy 2.0 Tunnel Boring Machines are "slowest tunnel boring machines – 200m in a year"
"boring rates are far below specification and tunnelling is two years behind schedule" https://reneweconomy.com.au/snowy-2-0-the-making-of-one-of-australias-most-spectacular-infrastructure-debacles/
cover tunnel photo by: Matt Brown from London, England / CC BY
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