Retrieval of Herrenknecht 7m diameter TBMs Betty and Dorothy has kicked off after their completion of boring on the ...
On 24 November, two state-of-the-art slurry TBMs manufactured by China Railway Construction Heavy Industry (CRCHI) were ...
Tunnelling Journal, North American Tunneling Journal and Canadian Tunnelling (published back to back) are the leading publications for the tunnelling and underground construction industry. Produced ...
The construction of HS2’s longest green tunnel took a major step forward this week with the realignment of a key local road, freeing up space for the next phase of excavations. Set to stretch for ...
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