Traduction et analyse de mots par intelligence artificielle ChatGPT
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Qu'est-ce (qui) est tunnel - définition
![Tunnel in [[Fort de Mutzig]], France.](https://commons.wikimedia.org/wiki/Special:FilePath/14-46-35-f-mutzig.jpg?width=200 "Tunnel in [[Fort de Mutzig]], France.")
![I-895]], serves as an example of a water-crossing tunnel built instead of a bridge.](https://commons.wikimedia.org/wiki/Special:FilePath/2007 09 19 - 895tunnel - WB 3.JPG?width=200 "I-895]], serves as an example of a water-crossing tunnel built instead of a bridge.")
![Tunnel on the [[Taipei Metro]] in [[Taiwan]]](https://commons.wikimedia.org/wiki/Special:FilePath/A crossover on the south side of Zhongxiao Xinsheng Station.JPG?width=200 "Tunnel on the [[Taipei Metro]] in [[Taiwan]]")
![Diana]]'s car hit a Fiat and then the wall. There was no proper barrier and this contributed to her death.](https://commons.wikimedia.org/wiki/Special:FilePath/Alma tunnel Paris.jpg?width=200 "Diana]]'s car hit a Fiat and then the wall. There was no proper barrier and this contributed to her death.")
![The 1,659-foot (506 m) [[Donner Pass]] Summit Tunnel (#6) was in service from 1868 to 1993.](https://commons.wikimedia.org/wiki/Special:FilePath/Donner Pass Summit Tunnel West Portal.jpg?width=200 "The 1,659-foot (506 m) [[Donner Pass]] Summit Tunnel (#6) was in service from 1868 to 1993.")
![abbr=on}} 1829 [[Wapping Tunnel]]. To the right again, hidden by undergrowth, is the disused original short 1829 Crown Street Tunnel.](https://commons.wikimedia.org/wiki/Special:FilePath/Edge Hill cutting.jpg?width=200 "abbr=on}} 1829 [[Wapping Tunnel]]. To the right again, hidden by undergrowth, is the disused original short 1829 Crown Street Tunnel.")
![[[Thomas Talbot Bury]]'s watercolour of the Edge Hill tunnel portals](https://commons.wikimedia.org/wiki/Special:FilePath/Entrance of the Railway at Edge Hill, from Bury's Liverpool and Manchester Railway, 1831 - artfinder 122456.jpg?width=200 "[[Thomas Talbot Bury]]'s watercolour of the Edge Hill tunnel portals")
![[[Shark tunnel]] at the [[Georgia Aquarium]]](https://commons.wikimedia.org/wiki/Special:FilePath/Georgiaaquariumtunnel.jpg?width=200 "[[Shark tunnel]] at the [[Georgia Aquarium]]")
![The [[Gerrards Cross tunnel]] in England, completed in 2010. Looking west towards the station in March 2005, showing the extent of construction three months before a small section collapsed.](https://commons.wikimedia.org/wiki/Special:FilePath/Gerrards Cross railway station 2.jpg?width=200 "The [[Gerrards Cross tunnel]] in England, completed in 2010. Looking west towards the station in March 2005, showing the extent of construction three months before a small section collapsed.")
![[[Utility tunnel]] for heating pipes between [[Rigshospitalet]] and Amagerværket in [[Copenhagen]], [[Denmark]]](https://commons.wikimedia.org/wiki/Special:FilePath/Heatpipe tunnel copenhagen 2009.jpg?width=200 "[[Utility tunnel]] for heating pipes between [[Rigshospitalet]] and Amagerværket in [[Copenhagen]], [[Denmark]]")
![bunkers south of Sydney]].](https://commons.wikimedia.org/wiki/Special:FilePath/Hill 60 illowra battery port kembla.jpg?width=200 "bunkers south of Sydney]].")
![Joralemon Street Tunnel on 1913 postcard, part of the [[New York City Subway]] system](https://commons.wikimedia.org/wiki/Special:FilePath/Joralemon Street Tunnel postcard, 1913.jpg?width=200 "Joralemon Street Tunnel on 1913 postcard, part of the [[New York City Subway]] system")
![A utility tunnel in [[Prague]]](https://commons.wikimedia.org/wiki/Special:FilePath/Kolektory Praha, 15.jpg?width=200 "A utility tunnel in [[Prague]]")
![Liverpool Lime Street]] Approach. The original two-track tunnel was removed to create a deep cutting. Some of the road bridges seen across the cutting are solid rock and in effect are a series of short tunnels.](https://commons.wikimedia.org/wiki/Special:FilePath/Leaving Liverpool Lime St - geograph.org.uk - 747034.jpg?width=200 "Liverpool Lime Street]] Approach. The original two-track tunnel was removed to create a deep cutting. Some of the road bridges seen across the cutting are solid rock and in effect are a series of short tunnels.")
![coal mining]] in [[New Taipei]], [[Taiwan]]](https://commons.wikimedia.org/wiki/Special:FilePath/New Pinghsi Coal Tunnel.JPG?width=200 "coal mining]] in [[New Taipei]], [[Taiwan]]")
![Line 4]] (c. 1910)](https://commons.wikimedia.org/wiki/Special:FilePath/Paris Metro construction 03300288-3.jpg?width=200 "Line 4]] (c. 1910)")
![The upper-level traffic lanes through [[Yerba Buena Island]], part of the [[San Francisco–Oakland Bay Bridge]]](https://commons.wikimedia.org/wiki/Special:FilePath/San Francisco-Bay Bridge02.jpg?width=200 "The upper-level traffic lanes through [[Yerba Buena Island]], part of the [[San Francisco–Oakland Bay Bridge]]")
![A fabric tunnel in [[Moulvibazar District]], [[Bangladesh]]](https://commons.wikimedia.org/wiki/Special:FilePath/Scene with Fabric Tunnel - Srimangal - Sylhet Division - Bangladesh (12904860703).jpg?width=200 "A fabric tunnel in [[Moulvibazar District]], [[Bangladesh]]")
![The eastern portal of the abandoned [[Sideling Hill Tunnel]], Pennsylvania, U.S., in 2009](https://commons.wikimedia.org/wiki/Special:FilePath/Sideling Hill Tunnel 2009.jpg?width=200 "The eastern portal of the abandoned [[Sideling Hill Tunnel]], Pennsylvania, U.S., in 2009")
![A late 19th-century pneumatic rock-drilling machine, invented by [[Germain Sommeiller]] and used to drill the first large tunnels through the [[Alps]]](https://commons.wikimedia.org/wiki/Special:FilePath/Sommeiller drill.jpg?width=200 "A late 19th-century pneumatic rock-drilling machine, invented by [[Germain Sommeiller]] and used to drill the first large tunnels through the [[Alps]]")
![The 19th century [[Dark Gate]] in [[Esztergom]], [[Hungary]]](https://commons.wikimedia.org/wiki/Special:FilePath/Sotetkapu.JPG?width=200 "The 19th century [[Dark Gate]] in [[Esztergom]], [[Hungary]]")
![Chirk canal tunnel]]](https://commons.wikimedia.org/wiki/Special:FilePath/Southern portal of Chirk canal tunnel - geograph.org.uk - 1293092.jpg?width=200 "Chirk canal tunnel]]")
![A short section remains of the 1832 Edge Hill to Lime Street tunnel in [[Liverpool]]. This and a short section of the original tunnel nearer to Lime Street are the oldest rail tunnels in the world still in active use.](https://commons.wikimedia.org/wiki/Special:FilePath/Start of Lime Street Tunnel Cutting.jpg?width=200 "A short section remains of the 1832 Edge Hill to Lime Street tunnel in [[Liverpool]]. This and a short section of the original tunnel nearer to Lime Street are the oldest rail tunnels in the world still in active use.")
![A workman is dwarfed by the [[tunnel boring machine]] used to excavate the [[Gotthard Base Tunnel]] ([[Switzerland]]), the world's longest railway tunnel.](https://commons.wikimedia.org/wiki/Special:FilePath/TBM S-210 Alptransit Faido East.jpg?width=200 "A workman is dwarfed by the [[tunnel boring machine]] used to excavate the [[Gotthard Base Tunnel]] ([[Switzerland]]), the world's longest railway tunnel.")
![An entrance of the [[Rantaväylä Tunnel]] in the northern part of [[Tampere]], [[Pirkanmaa]], [[Finland]]](https://commons.wikimedia.org/wiki/Special:FilePath/Tampereen rantatunneli.jpg?width=200 "An entrance of the [[Rantaväylä Tunnel]] in the northern part of [[Tampere]], [[Pirkanmaa]], [[Finland]]")
![Decorated entrance to a road tunnel in [[Guanajuato]], [[Mexico]].](https://commons.wikimedia.org/wiki/Special:FilePath/Tunel en Guanajuato.jpg?width=200 "Decorated entrance to a road tunnel in [[Guanajuato]], [[Mexico]].")
![The [[Big Dig]] road vehicle tunnel in [[Boston]], U.S.](https://commons.wikimedia.org/wiki/Special:FilePath/Tunnel-large.jpg?width=200 "The [[Big Dig]] road vehicle tunnel in [[Boston]], U.S.")
![Door to a compartment where runaway slaves would sleep, on the [[Underground Railroad]]](https://commons.wikimedia.org/wiki/Special:FilePath/Underground Railroad Tunnel Door.jpg?width=200 "Door to a compartment where runaway slaves would sleep, on the [[Underground Railroad]]")
Wikipédia
A tunnel is an underground passageway, dug through surrounding soil, earth or rock, and enclosed except for the entrance and exit, commonly at each end. A pipeline is not a tunnel, though some recent tunnels have used immersed tube construction techniques rather than traditional tunnel boring methods.
A tunnel may be for foot or vehicular road traffic, for rail traffic, or for a canal. The central portions of a rapid transit network are usually in the tunnel. Some tunnels are used as sewers or aqueducts to supply water for consumption or for hydroelectric stations. Utility tunnels are used for routing steam, chilled water, electrical power or telecommunication cables, as well as connecting buildings for convenient passage of people and equipment.
Secret tunnels are built for military purposes, or by civilians for smuggling of weapons, contraband, or people. Special tunnels, such as wildlife crossings, are built to allow wildlife to cross human-made barriers safely. Tunnels can be connected together in tunnel networks.
