Sri Lanka: Iran completes dam construction with 22,5 km tunnels and 595m vertical shaft
Iranian built a dam on Uma Oya in the Puhulpola region of Sri Lanka with a 3.7-km long water conveyance tunnel to...other dam. And from there another 15.2-km long tunnel and a 595-meter vertical shaft t...Special shaft allows two TBMs cross the paths at Paris metro lines 14 and 15.
Thanks to a special structure in a 63-metre wide shaft 55 metres below the Gustave Roussy Institute, the tunnel boring machine 'Allison; boring the line 14 South crossed...ITA Launches Working Group on ‘Shaft Design and Construction’
https://tunnelingonline.com/ita-launches-working-group-on-shaft-design-and-construction/Reply on topic: Litian Heavy Industry High Quality Tunnel Boring Machine Cutters
Litian Heavy Industry High Quality Tunnel Boring Machine Cutters TBM Disc Tunnel Boring Machine Cutters Shaft Spare https://www.litechtools.com/sale-13127044-tbm-disc-tunnel-boring-machine-cutters-shaft.htmlSalini Impregilo TBM breaks through W Street shaft for Washington DC Water Northeast Boundary Tunnel
https://www.youtube.com/watch?v=WPbAEjwXqBM Salini Impregilo operated...d 'Christ' breaks through the shaft at W Street in Northeast Boun...sand. It will get maintenance at the shaft before boring the last part o.... This is when it was lowered to a shaft t...Salini Impregilo TBM breaks through W Street shaft for Washington DC Water Northeast Boundary Tunnel
https://www.youtube.com/watch?v=WPbAEjwXqBM Salini Impregilo operated...d 'Christ' breaks through the shaft at W Street in Northeast Boun...sand. It will get maintenance at the shaft before boring the last part o.... This is when it was lowered to a shaft t...L&T Lowers First Tunnel Boring Machine at Greenways Shaft of Chennai Metro Project
L&T was awarded a Rs. 2385 crore contract from Chennai Metro Rail Ltd. (CMRL) for Package TU-02 with a 42 month deadline. https://www.metrorailnews.in/lt-lowers-first-tunnel-boring-machine-at-greenways-shaft-of-chennai-metro-project/
cover tunnel photo by: Matt Brown from London, England / CC BY
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