France: Grand Paris Express - Major Breakthrough Achieved on Line 6 Tunnels
TBM (Tunnel Boring Machine) named Houda successfully broke through into the future Sevran - Livry station on Line 6 of the Grand Paris Express. https://tunnelbuilder.com/News/FranciaGrand-Paris-Express-Major-Breakthrough-Achieved-on-Line-6-Tunnels.aspxGrand Paris Express' Variable Density Herrenknecht Tunnel Boring Machines
...for excavating the tunnels of the enormous Grand Paris Express project. They are hybrid be...or the complex and varied geography of the Paris area. Informative ar...iable-density-tunnel-boring-machine-of-the-grand-paris-express/France: Grand Paris Express: More than half of the tunnelling for Line 17 is done
...ng Line 17) has completed its second tunnelling for the Line 17 of Grand Paris Express. The first tunnel was 3,4 k...ine 17 leaving only 11,5 km of tunnelling! https://www.societedugrandparis.fr/actualites/plus-moitie-chemi...
cover tunnel photo by: Matt Brown from London, England / CC BY
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