Excavation of the first five disposal tunnels completed in Finland
...first five actual final disposal tunnels of Posiva's spent nuclear...ompleted. The total length of the tunnels is about 1700 meters. Their m...onstruction of the final disposal tunnels continues with the strengthen...omi Oy, which has been excavating tunnels for Posiva for several years....Grouting: Building connections between the HS2 Chiltern tunnels
High Speed 2s Chiltern tunnels run through permeable chalk requiring extensive ground treatment. https://www.geplus.co.uk/features/grouting-building-connections-between-the-hs2-chiltern-tunnels-12-12-2023/Why do they not use some sort of TBM for excavating Military Tunnels?
I was reading a news about the Ukrainian forces building tunnel. Why would it not be possible to build such tunnels via Tunnel Boring Machines? https://uk.news.yahoo.com/ukrainian-forces-build-miles-tunnels-063119692.htmlHS2: Another sinkhole appears above Chiltern tunnels in Buckinghamshire
A second sinkhole has formed along the route of High Speed 2's Chiltern tunnels, after Align JV's tunnel engineers were warned of a potential dissolution feature in advance. https://www.geplus.co.uk/news/hs2-another-sinkhole-appears-above-chiltern-tunnels-in-buckinghamshire-15-11-2023/HCC & VCCL win Rs. 236 crore Northeast Frontier Railway order including tunnel construction
Hindustan Construction Company and Vensar Constructions Company Limited will build Single Line BG tunnels of Lot 14A (6 tunnels of total 1725 meters) and Lot 15A (3 tunnels of toatl 572 meters). Work is worth Rs. 236 crore. https://www.equitybulls.com/admin/news2006/news_det.asp?id=279011India plans to build at least 10 tunnels running up to 100 km in Ladakh and Kashmir
...Moti, India laid out plans to build many more tunnels on the border areas to counte...Roads Organization (BRO) has proposed 8 more tunnels to enhance the access to Lada...c-weather-road-connectivity-ladakh-kashmir-10-tunnels-1733236-2020-10-20
cover tunnel photo by: Matt Brown from London, England / CC BY
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