Tunnels
Boring through. The tunnel boring machine and the roadheader, the Channel Tunnel and the Gotthard Base, metro construction under a live city, sewers and utility tunnels, and the deep repositories being built to hold nuclear waste for a hundred thousand years.
Part of Underground
47 moments in this segment.
- - Pen and Pencil (newspaper), 10 February 1855 page 5. Pen and Pencil, Saturday, 10 February 1855, No. 1, Vol I., page 5 of 16, including illustrations. An illustration from Pen and Pencil (an illustrated Family Newspaper). The Sister of Charity. The Ca. Period photograph.
- - File-A0305-2--Main Line Scranton Division--Nay Aug Tunnel--East End. A0305-2--Main Line Scranton Division--Nay Aug Tunnel--East End [1905.12.11] Keywords: tunnel; Railroads; (NPS Focus Subject Thesaurus). Period photograph.
- - File-A0310-A0314--Main Line Scranton Division--Nay Aug Tunnel. A0313 Concrete Arch West Keywords: tunnel; retaining wall; Railroads; (NPS Focus Subject Thesaurus). Period photograph.
- - 1914 Fortepan 62768. Photograph showing 1914 fortepan 62768. Period photograph.
- - Geologic Carbon Sequestration: Injecting CO2 Underground. A Berkeley Lab public lecture on capturing, compressing and storing carbon dioxide in geological formations.
- - MTS Perforator Tunnelbohrmaschine. 2010 in München.
- - 12.11.26 TBM breaking out. מכונת TBM פורצת החוצה ממנהרה מספר 1 בקו הרכבת המהיר לירושלים.
- - Gotthard Base Tunnel breakthrough. The tunnel-boring contractor's record of the 2010 and 2011 breakthroughs in the eastern and western bores.
- - Inside the world's longest sea caves. Geologist Nicolas Barth, studying active faults on New Zealand's South Island, climbed down a cliff and found what is reckoned the longest sea cave in the world.
- - The Gotthard Base Tunnel: research and technology. Swiss public broadcaster SRF follows the chief engineers through the final decisive tests before opening.
- - 27 October 1904: the New York subway opens. A short marker of the first ride on the New York City subway.
- - Inside Aldwych, London's abandoned Tube station. A tour of the station opened in 1907 and used as a wartime bomb shelter, closed to passengers since 1994.
- - Channel Tunnel: three parallel bores. The Institution of Civil Engineers explains the tunnel's two running bores and central service tunnel, opened May 1994.
- - The abandoned part of Charing Cross Underground. The disused Jubilee line platforms beneath a working London station.
- - How the world's first metro system was built. Transport historian Christian Wolmar on the cut-and-cover construction of London's Metropolitan Railway.
- - Bazalgette: saviour of the Great Stink. An engineer's tribute to Joseph Bazalgette, whose intercepting sewers ended the 1858 Great Stink.
- - London's abandoned tube station. The disused Charing Cross Jubilee platforms, now used for emergency-services training and filming.
- - Making the London Underground's design system. How the Tube's map, typeface and station architecture became a coherent system, and how the network keeps growing.
- - Tunnel construction explained. The methods used to drive tunnels: cut-and-cover, drill-and-blast, immersed tube and boring machines.
- - Tunnels designed to last 100,000 years. Tom Scott inside Onkalo on Olkiluoto island, the first deep geological repository for high-level waste.
- - How the world's longest underwater tunnel was built. The engineering problems of driving 50km beneath the English Channel.
- - London Underground: how was it built?. Channel 5 on the 1863 Metropolitan line and how it changed urban transport worldwide.
- - RESO: the world's longest underground network. Montreal's 32km of tunnels linking office towers, malls and metro stations beneath the winter street.
- - What is a tunnel boring machine?. A short explainer on TBMs, issued as HS2 launched its first giant machine.
- - Finland's answer to nuclear waste. The B1M on Olkiluoto's reactors and the repository being driven beneath them.
- - Inside an HS2 tunnel boring machine. A tunnelling engineer walks the length of a 170m TBM, an underground factory that excavates and lines at once.
- - The race to build the first American subway. Boston and New York compete to put rapid transit underground.
- - Channel Tunnel breakthrough. ITN footage of British and French workers breaking through the last wall of chalk between the two sides.
- - Euston's abandoned Underground station. The hidden station entombed within the rebuilt Euston complex.
- - Storing Uranium Waste for 100,000 Years. Science magazine on Finland's plan for permanent deep geological disposal of spent fuel and why other countries' attempts stalled.
- - The Seikan Tunnel. The Japanese rail agency's own account of building and operating the Tsugaru Strait tunnel.
- - The World's First Permanent Nuclear-Waste Repository. DW News on Finland becoming the first country with a permanent plan for all the radioactive waste its reactors produce.
- - Keeping the world's longest rail tunnel safe. Tom Scott on the safety systems around the 57km Gotthard Base Tunnel, most of them outside the tunnel itself.
- - Carbon Capture and Storage Research at the BGS. The British Geological Survey outlines how captured CO2 is injected into and retained by deep geological formations.
- - How the Metropolitan Railway was built. The engineering of the world's first underground railway, opened to the public in January 1863.
- - The world's first underground railway. What travelling on the steam-hauled Metropolitan Railway was actually like when it opened in 1863.
- - The Laerdal Tunnel. Norway's 24.5km road tunnel, the longest in the world, and the lighting used to fight driver fatigue.
- - Inside Onkalo, the World's First Deep Nuclear Repository. DW visits Finland's Onkalo, the only high-level nuclear waste storage site under construction, and the deep-time engineering problem it poses.
- - The Seikan Tunnel explained. The undersea rail tunnel beneath the Tsugaru Strait linking Honshu to Hokkaido.
- - How the Channel Tunnel works. An engineering account of the undersea tunnel on its 30th anniversary, from the chalk marl to the service tunnel.
- - The Channel Tunnel at thirty. The B1M on building the world's longest undersea link between Britain and France.
- - Three things to know about Onkalo. The US Department of Energy summarises the first licensed deep geological repository for spent nuclear fuel.
- - The engineering behind the world's longest tunnel. How 25 million tonnes of rock were moved to drive the Gotthard Base Tunnel through the Alps.
- - The Underground Network That Helps Forests Survive. NOVA on the mycelial networks beneath forests and how fungi move nutrients between trees.
- - Inside the world's first nuclear waste tomb. A visit to Onkalo, cut into Finnish bedrock to hold spent fuel permanently.
- - Budapest's Millennium Underground. Continental Europe's oldest metro line, opened in 1896, still running in its shallow cut-and-cover box.
- - 1.9-Billion-Year-Old Bedrock Will Hold Spent Nuclear Fuel. AP descends the Onkalo shaft as the world's first permanent spent-fuel disposal facility prepares to begin operations in Finland.