Reply on topic: HS2 reveals final design for first Chiltern tunnel vent shaft headhouse
"Barn"shaft designs get planning approval. https://mediacentre.hs2.org.uk/news/hs2s-chilterns-barn-design-vent-shaft-gains-planning-approvalImpact Assessment on Deep Tunnel Sewerage System during Shaft Excavation
This case study contains the impact assessment on DTSS Reinforced Concrete(RC) tunnel induced by the shaft excavation work at Woodlands South Flyover. https://www.youtube.com/watch?v=3nqXjkJLnxIReply on topic: Is Joshimath subsidence caused by tunnel works?
Authorities say subsidence has nothing to do with the tunnel construction. https://www.moneycontrol.com/news/india/centre-denies-connection-between-sinking-joshimath-and-ntpc-tunnel-projects-report-9864281.htmlUK: Farrans-operated TBM completes tunnelling under the River Tees
https://www.youtube.com/watch?v=1WMN-ZNOD4A TBM Penelope, the tunnel boring machine, broke through to the west shaft, completing its 220m journey...d its journey at the base of the 46 metre deep east shaft i...Nana TBM of Kanpur Metro Launched into the Cut & Cover Shaft at McRobertganj
The TBM will be tunneling an essential and strategic tunnel of 414 meters. https://www.metrorailnews.in/nana-tbm-of-kanpur-metro-launched-into-the-cut-cover-shaft-at-mcrobertganj/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.html
cover tunnel photo by: Matt Brown from London, England / CC BY
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