Tunnels of the world - Revision history

Editor at 15:17, 30 June 2021

2021-06-30T15:17:13Z

← Older revision		Revision as of 15:17, 30 June 2021
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	The rock and soil under the strait made it impossible to use a tunnel boring machine, so dynamite and drills had to be used to blast out more than 30 miles of the tunnel, a considerable engineering feat especially since it was achieved through a known earthquake zone.		The rock and soil under the strait made it impossible to use a tunnel boring machine, so dynamite and drills had to be used to blast out more than 30 miles of the tunnel, a considerable engineering feat especially since it was achieved through a known earthquake zone.

−	~~= Find out more =~~	+	= Related articles on Designing Buildings Wiki =
−		+
−	=== Related articles on Designing Buildings Wiki ===	+

	* 7 Engineering Wonders of the World.		* 7 Engineering Wonders of the World.
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	* Bridges of the world.		* Bridges of the world.
	* Building of the week series.		* Building of the week series.
		+	* Channel.
	* Chesapeake Bay Bridge-Tunnel.		* Chesapeake Bay Bridge-Tunnel.
	* Civil engineering dream projects.		* Civil engineering dream projects.

Designing Buildings at 08:44, 24 November 2020

2020-11-24T08:44:41Z

← Older revision		Revision as of 08:44, 24 November 2020
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	* CNN - [http://edition.cnn.com/2014/07/11/travel/great-tunnels/ Great tunnels]		* CNN - [http://edition.cnn.com/2014/07/11/travel/great-tunnels/ Great tunnels]

−	[[Category:~~International~~]] [[Category:~~Projects_and_case_studies~~]] [[Category:DCN_Project_Knowledge]]	+	[[Category:DCN_Collection]] [[Category:DCN_Definition]] [[Category:DCN_Guidance]] [[Category:DCN_Project_Knowledge]] [[Category:International]] [[Category:Projects_and_case_studies]]

Editor at 14:01, 29 July 2020

2020-07-29T14:01:06Z

← Older revision		Revision as of 14:01, 29 July 2020
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	* Building of the week series.		* Building of the week series.
	* Chesapeake Bay Bridge-Tunnel.		* Chesapeake Bay Bridge-Tunnel.
		+	* Civil engineering dream projects.
	* East West Metro Tunnel, Calcutta.		* East West Metro Tunnel, Calcutta.
	* Follo Line, Norway.		* Follo Line, Norway.
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	* CNN - [http://edition.cnn.com/2014/07/11/travel/great-tunnels/ Great tunnels]		* CNN - [http://edition.cnn.com/2014/07/11/travel/great-tunnels/ Great tunnels]

−	[[Category:International]] [[Category:Projects_and_case_studies]]	+	[[Category:International]] [[Category:Projects_and_case_studies]] [[Category:DCN_Project_Knowledge]]

Editor at 18:03, 26 June 2020

2020-06-26T18:03:27Z

← Older revision		Revision as of 18:03, 26 June 2020
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	* Bridges of the world.		* Bridges of the world.
	* Building of the week series.		* Building of the week series.
		+	* Chesapeake Bay Bridge-Tunnel.
	* East West Metro Tunnel, Calcutta.		* East West Metro Tunnel, Calcutta.
	* Follo Line, Norway.		* Follo Line, Norway.

Editor at 09:35, 29 June 2017

2017-06-29T09:35:24Z

← Older revision		Revision as of 09:35, 29 June 2017
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	* East West Metro Tunnel, Calcutta.		* East West Metro Tunnel, Calcutta.
	* Follo Line, Norway.		* Follo Line, Norway.
		+	* Global undergrounds - exploring cities within.
	* River engineering.		* River engineering.
	* Stad Ship Tunnel.		* Stad Ship Tunnel.

Editor at 09:20, 20 June 2017

2017-06-20T09:20:51Z

← Older revision		Revision as of 09:20, 20 June 2017
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	* Building of the week series.		* Building of the week series.
	* East West Metro Tunnel, Calcutta.		* East West Metro Tunnel, Calcutta.
		+	* Follo Line, Norway.
	* River engineering.		* River engineering.
	* Stad Ship Tunnel.		* Stad Ship Tunnel.

Editor at 09:57, 16 June 2017

2017-06-16T09:57:30Z

← Older revision		Revision as of 09:57, 16 June 2017
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	* Bridges of the world.		* Bridges of the world.
	* Building of the week series.		* Building of the week series.
		+	* East West Metro Tunnel, Calcutta.
	* River engineering.		* River engineering.
	* Stad Ship Tunnel.		* Stad Ship Tunnel.

Editor at 09:01, 24 April 2017

2017-04-24T09:01:34Z

← Older revision		Revision as of 09:01, 24 April 2017
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	* Stad Ship Tunnel.		* Stad Ship Tunnel.
	* Tunnelling.		* Tunnelling.
		+	* Tunnel Engineering Exhibition 2017.

	=== External references ===		=== External references ===

Editor at 09:35, 10 April 2017

2017-04-10T09:35:11Z

← Older revision		Revision as of 09:35, 10 April 2017
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	* Building of the week series.		* Building of the week series.
	* River engineering.		* River engineering.
−	* ~~Skyscraper~~.	+	* Stad Ship Tunnel.
	* Tunnelling.		* Tunnelling.

Editor at 09:32, 17 February 2016

2016-02-17T09:32:49Z

← Older revision		Revision as of 09:32, 17 February 2016
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−	[[File:Laerdal-tunnel-16.jpg\|~~800px~~]]	+	[[File:Laerdal-tunnel-16.jpg\|link=File:Laerdal-tunnel-16.jpg]]

−	=== Channel Tunnel (UK and France) ===	+	= Channel Tunnel (UK and France) =

	The Channel Tunnel carries high-speed Eurostar trains beneath the English Channel to and from Folkestone in Kent, UK and Pas-de-Calais in France. The tunnel’s total length is 31.4 miles (50.5 km), with 23.5 miles (37.9 km) undersea, making it the longest undersea tunnel in the world.		The Channel Tunnel carries high-speed Eurostar trains beneath the English Channel to and from Folkestone in Kent, UK and Pas-de-Calais in France. The tunnel’s total length is 31.4 miles (50.5 km), with 23.5 miles (37.9 km) undersea, making it the longest undersea tunnel in the world.
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	At its lowest point the tunnel is 75 m (250 ft) deep, and trains are capable of travelling at 160 km/hr (99 mph).		At its lowest point the tunnel is 75 m (250 ft) deep, and trains are capable of travelling at 160 km/hr (99 mph).

−	=== Laerdal Tunnel (Aurland, Norway) ~~(see top image) ==~~=	+	= Laerdal Tunnel (Aurland, Norway) =

−	The Laerdal Tunnel is a road tunnel connecting Laerdal and Aurland in West Norway. At 15.23 miles (24.51 km), it is the longest road tunnel in the world. Work began in 1995, and involved tunnelling through a mountain range. It was completed in 2000.	+	The Laerdal Tunnel (see top image) is a road tunnel connecting Laerdal and Aurland in West Norway. At 15.23 miles (24.51 km), it is the longest road tunnel in the world. Work began in 1995, and involved tunnelling through a mountain range. It was completed in 2000.

	The project was innovative in the way that engineers sought to alleviate the psychological strain of driving for 20 minutes through a tunnel. It is lit with white and yellow lights to give the impression of sunrise, together with three large cave sections that allow for rest breaks and to give the illusion that drivers are travelling through a number of smaller tunnels.		The project was innovative in the way that engineers sought to alleviate the psychological strain of driving for 20 minutes through a tunnel. It is lit with white and yellow lights to give the impression of sunrise, together with three large cave sections that allow for rest breaks and to give the illusion that drivers are travelling through a number of smaller tunnels.

−	=== Tokyo Bay Aqua-Line (Tokyo, Japan) ===	+	= Tokyo Bay Aqua-Line (Tokyo, Japan) =

	The Aqua Line crosses Tokyo Bay connecting the cities of Kawasaki and Kisarazu. With an overall length of 14 km (8.7 miles) it incorporates a 4.4 km section of steel box girder bridge with orthotropic deck and a 9.6 km section of underwater bored shield tunnel. Where the bridge and tunnel intersect there is an artificial island that serves as a rest area for drivers.		The Aqua Line crosses Tokyo Bay connecting the cities of Kawasaki and Kisarazu. With an overall length of 14 km (8.7 miles) it incorporates a 4.4 km section of steel box girder bridge with orthotropic deck and a 9.6 km section of underwater bored shield tunnel. Where the bridge and tunnel intersect there is an artificial island that serves as a rest area for drivers.
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	After 23 years of planning, the Aqua Line opened in December 1997, setting a precedent for constructing two-lane road tunnels. It was designed with earthquake resilience in mind, as was demonstrated in a 2011 earthquake that caused severe damage to Tokyo Bay.		After 23 years of planning, the Aqua Line opened in December 1997, setting a precedent for constructing two-lane road tunnels. It was designed with earthquake resilience in mind, as was demonstrated in a 2011 earthquake that caused severe damage to Tokyo Bay.

−	=== Eisenhower Tunnel (Colorado, USA) ===	+	= Eisenhower Tunnel (Colorado, USA) =

	The Eisenhower Tunnel is a twin-bore tunnel under the Continental Divide in the Rocky Mountains. Though the project was only supposed to take 3 years to complete, complications arose when the boring machines could not work to their usual productivity level at such high elevations. When completed in 1979 it became the highest road tunnel in the world, at 3,401 m (11,158 ft) above sea level. The length of the tunnel is 1.7 miles (2.72 km).		The Eisenhower Tunnel is a twin-bore tunnel under the Continental Divide in the Rocky Mountains. Though the project was only supposed to take 3 years to complete, complications arose when the boring machines could not work to their usual productivity level at such high elevations. When completed in 1979 it became the highest road tunnel in the world, at 3,401 m (11,158 ft) above sea level. The length of the tunnel is 1.7 miles (2.72 km).

−	=== SMART (Kuala Lumpur, Malaysia) ===	+	= SMART (Kuala Lumpur, Malaysia) =

	The ‘Stormwater Management and Road Tunnel’ is the second longest stormwater tunnel in Asia, at 6 miles (9.7 km). The main purpose of the tunnel is to alleviate the problem of Kuala Lumpur’s flash flooding, by allowing storm water to flood the tunnel, as well as serving as a road to reduce rush hour traffic congestion. The rainwater is diverted into a lower channel, whilst road traffic travels along the upper level. Automated water-tight gates are opened and closed to allow the flood waters to pass through.		The ‘Stormwater Management and Road Tunnel’ is the second longest stormwater tunnel in Asia, at 6 miles (9.7 km). The main purpose of the tunnel is to alleviate the problem of Kuala Lumpur’s flash flooding, by allowing storm water to flood the tunnel, as well as serving as a road to reduce rush hour traffic congestion. The rainwater is diverted into a lower channel, whilst road traffic travels along the upper level. Automated water-tight gates are opened and closed to allow the flood waters to pass through.

−	=== Seikan Tunnel (Japan) ===	+	= Seikan Tunnel (Japan) =

	At 14.2 miles (23 km) long and 140 m (460 ft), the Seikan is the longest and deepest rail tunnel in the world. It spans the Tsugaru Strait that connects the islands of Honshu and Hokkaido, a risky journey by water due to the unpredictable weather such that an underground tunnel had long been an aspiration. The double track rail tunnel allows an operating speed of 140 km/h (85 mph).		At 14.2 miles (23 km) long and 140 m (460 ft), the Seikan is the longest and deepest rail tunnel in the world. It spans the Tsugaru Strait that connects the islands of Honshu and Hokkaido, a risky journey by water due to the unpredictable weather such that an underground tunnel had long been an aspiration. The double track rail tunnel allows an operating speed of 140 km/h (85 mph).