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	Kids.Net.Au - Encyclopedia > Box Tunnel
		Box Tunnel is a railway tunnel in western England, between Bath and Chippenham, dug through the Box Hill.
		It is also sometimes claimed that there is a secret junction and spur tunnel within Box Tunnel, leading to a secret bunker, or possibly to a "strategic reserve" of mothballed steam locomotives to be used in the event of a major oil crisis or nuclear war.
		In fact, the tunnelling at Box revealed the existence of large amounts of good quality Bath stone in the hillside, and Tunnel Quarry was opened in 1844 to take advantage of this, with its entrance alongside the eastern portal of Box Tunnel, and a branch line running into it.
	www.kids.net.au /encyclopedia-wiki/bo/Box_Tunnel (614 words)

	Tunnel - Wikipedia, the free encyclopedia
		Tunnels are dug in various types of materials, from soft clays to hard rocks, and the method of excavation depends on the type of soil.
		Box Tunnel in England, which opened in 1841, was the longest railway tunnel in the world at the time of construction.
		The Channel Tunnel between France and England under the English Channel is the second-longest, with a total length of 50 km (31 miles), of which 39 km (24 miles) is under the sea.
	en.wikipedia.org /wiki/Tunnel (1186 words)

	NationMaster - Encyclopedia: Box Tunnel
		Tunnels are dug in various types of materials, from soft clays to hard rocks, and the method of excavation depends on the type of soil.
		Box Tunnel in England, which opened in 1841, was the longest railway tunnel in the world at the time of construction.
		The Channel Tunnel between France and England under the English Channel is the second-longest, with a total length of 50 km (31 miles), of which 39 km (24 miles) is under the sea.
	www.nationmaster.com /encyclopedia/Box-Tunnel (961 words)

	Tunnel - Open Encyclopedia (Site not responding. Last check: 2007-10-26)
		Gotthard Tunnel that opened in Switzerland on September 5, 1980 is the world's longest highway tunnel at 16.32 km (10.14 miles) stretching from Göschenen to Airolo.
		Box Tunnel in England, which opened in 1841, one of the oldest railway tunnels in the world at the time of construction.
		The Atlantic Avenue Tunnel, Brooklyn, New York is the world's oldest underground railway tunnel in a street, built in 1844 by the cut-and-cover method for the Long Island Rail Road.
	open-encyclopedia.com /Tunnel (620 words)

	Big Dig began with a critical decision - The Boston Globe
		Then construct a concrete tunnel box between the walls and cover the box with a membrane to seal it tight.
		To accommodate the inner tunnel box, they either had to reduce the size of the highway to six lanes, which would provide no improvement in traffic flow, compared with the elevated road.
		By comparison, a tunnel box would have involved a much smaller roof atop a far shorter inner wall that could be connected with a clean, flat seam, forming a far more watertight connection.
	www.boston.com /news/local/articles/2004/12/19/big_dig_began_with_a_critical_decision (2522 words)

	Box Tunnel - Open Encyclopedia (Site not responding. Last check: 2007-10-26)
		Box Tunnel is a railway tunnel in western England, between Bath and Chippenham, dug through the Box Hill.
		It is also sometimes claimed that there is a secret junction and spur tunnel within Box Tunnel, leading to a secret bunker, or possibly to a "strategic reserve" of mothballed steam locomotives to be used in the event of a major oil crisis or nuclear war.
		In fact, the tunnelling at Box revealed the existence of large amounts of good quality Bath stone in the hillside, and Tunnel Quarry was opened in 1844 to take advantage of this, with its entrance alongside the eastern portal of Box Tunnel, and a branch line running into it.
	www.open-encyclopedia.com /Box_Tunnel (826 words)

	NETTLEDEN - Box Quarry, Wiltshire
		Box Quarry is at the western end of the MOD's Tunnel Quarry site and is partly owned by the MOD but after some modification it was only used as an air inlet for the Tunnel Quarry complex.
		Box Quarry is by far the biggest and most complex of all the Bath Stone mines, it is in fact the largest stone mine in the country with many miles of interconnecting passages.
		From Box Quarry you can walk through in to the old MOD areas bordering Tunnel Quarry, this area of Box Quarry was used as an air in take to server the central ammunitions depot using the CDI (Corsham Depot Inlet) fan to draw air through the quarry in to the depots air conditioning system.
	www.chocolatechipdesign.co.uk /nettleden/boxquarry/index.shtml (703 words)

	Box Tunnel -- Facts, Info, and Encyclopedia article (Site not responding. Last check: 2007-10-26)
		The dramatic western portal, near (A (usually rectangular) container; may have a lid) Box, is designed in the classical style, but the eastern portal, at (Click link for more info and facts about Corsham) Corsham, has a plain brick face.
		On the other hand, it is asserted that it impossible to guarantee the effect on a particular calendar day, because the angle at which the sun rises on a given date varies slightly with the cycle of leap years.
		The cold war bunker known as "Burlington" and intended to be used by (A person active in party politics) politicians and the (Royal persons collectively) Royal Family in the event of nuclear war is in another cavern nearby.
	www.absoluteastronomy.com /encyclopedia/b/bo/box_tunnel.htm (789 words)

	Box Tunnel (Site not responding. Last check: 2007-10-26)
		Box Tunnel is a railway tunnel in western England, between Bath and Chippenham, dug through the BoxHill.
		The alignment of the Box Tunnel has been the subject of serious discussion in the New Civil Engineer and elsewhere.I am grateful to my friend James Richard for making calculations which convinced me that the alignment on 9 April would permitthe sun to be visible through the tunnel soon after dawn on a fine day.
		In fact, the tunnelling at Box revealed the existence of large amounts of good quality Bath stone in the hillside, and TunnelQuarry was opened in 1844 to take advantage of this, with its entrance alongside the eastern portal of Box Tunnel, and a branchline running into it.
	www.therfcc.org /box-tunnel-116550.html (718 words)

	Box Tunnel - Wikipedia, the free encyclopedia
		At the time of opening it was the longest railway tunnel in the world, though the Standedge and several other canal tunnels were longer.
		I am grateful to my friend James Richard for making calculations which convinced me that the alignment on 9 April would permit the sun to be visible through the tunnel soon after dawn on a fine day.
		The cold war bunker known as "Burlington" or Hawthorn and intended to be used by politicians and the Royal Family in the event of nuclear war is in another cavern nearby.
	www.wikipedia.org /wiki/Box_Tunnel (850 words)

	Learn more about Tunnel in the online encyclopedia. (Site not responding. Last check: 2007-10-26)
		Some tunnels are constructed purely for carrying water (for consumption, for hydroelectric purposes or as sewers); others carry other services such as telecommunications cables.
		The Lincoln Tunnel between New Jersey and New York is the busiest vehicular tunnel in the world.
		The Box Tunnel in England, which opened in 1841, is one of the oldest railway tunnels in the world.
	www.onlineencyclopedia.org /t/tu/tunnel.html (418 words)

	Box Tunnel Information
		At the time of opening it was the longest railway tunnel in the world, though the Standedge and several other canal tunnels were longer.
		On the other hand, it is asserted [1] that it impossible to guarantee the effect on a particular calendar day, because the angle at which the sun rises on a given date varies slightly with the cycle of leap years.
		The Cold War bunker known as "Burlington" or Hawthorn and intended to be used by politicians and possibly by the Royal Family in the event of nuclear war is in another cavern nearby.
	www.bookrags.com /Box_Tunnel (873 words)

	Chapter 2 - Highway & Rail Transit Tunnel Maintenance & Rehabilitation Manual - VTRT - Bridge - Infrastructure ...
		The roadway slab in many of the older highway tunnels in New York City is supported by placing structural steel beams, encased in concrete, that span transversely to the tunnel length, and are spaced between 750 mm (30 in) and 1,500 mm (60 in) on centers.
		Tunnels with a concrete or shotcrete inner lining are conducive to tile placement because of their smooth surface.
		Rail transit tunnels are similar to highway tunnels in that they should provide sufficient light for train operators to properly adjust from the bright portal or station conditions to the darker conditions of the tunnel.
	www.fhwa.dot.gov /bridge/tunnel/maintman02.cfm (4841 words)

	Box Tunnel (Site not responding. Last check: 2007-10-26)
		Carpal Tunnel Syndrome The history and treatment of carpal tunnel syndrome with details of surgery with endoscopic carpal tunnel release by Michael G Brown MD.
		Cubital Tunnel Syndrome Patient information on symptoms and treatment of cubital tunnel syndrome from a plastic hand and cosmetic surgeon.
		Carpal Tunnel Syndrome - from BUPA Concise fact sheet explaining the causes, symptoms and treatment of Carpal Tunnel Syndrome, available for down loading in Adobe Acrobat.
	www.serebella.com /encyclopedia/article-Box_Tunnel.html (1106 words)

	Using Management Center for VPN Routers 1.1 - Defining VPN Tunnel Policies [CiscoWorks Management Center for VPN ...
		A tunnel policy consists of a set of rules that define the endpoints of the IPSec tunnel, what traffic is routed into the tunnel, and how the traffic is secured in the tunnel.
		Within the IPSec tunnels, data is authenticated and secured by means of a combination of authentication and encryption algorithms, known as a transform set.
		For example, if you have one tunnel policy for all internal traffic on the hub and spoke and a second policy for high-security traffic to a specific server (that also matches the internal traffic condition), the second policy must be in a higher position in the list so that it is applied.
	www.cisco.com /en/US/products/sw/cscowork/ps3994/products_user_guide_chapter09186a008014f5ec.html (5633 words)

	THE BOX HILL TUNNEL, AN ANORAK'S PARADISE OR A PASSAGE TO NARNIA, By Rory Lushman
		This tunnel can be found in Wiltshire, a county that many ufologists head for in the summer months in their quest for a fix and that fix being - crop circles.
		The temperature within a tunnel is constant, whatever time of year it is. Obviously the portal ends would fluctuate with the outside temperature but deep in a sealed tunnel, the temperature would not fluctuate.
		The common consensus amongst ufologists and railmen is that the tunnel is disused.
	www.angelfire.com /mn2/Oubliette/Boxhill.html (3485 words)

	BUILDING BIG: Databank: Thames Tunnel
		Brunel invented the tunnel shield, a giant iron box that could be pushed forward through soft, gooey soil.
		Finally, 18 years after construction began, Brunel's tunnel shield emerged on the other side of the Thames, proving for the first time that it is possible to carve a tunnel underwater.
		The tunnel was originally built for carriages, but the construction of carriage access roads proved to be too expensive.
	www.pbs.org /wgbh/buildingbig/wonder/structure/thames.html (407 words)

	Intelligent System Offers Safer Tunnel Traffic For Europe
		The average frequency of fires in tunnels is higher than 25 per 100 million vehicle kilometres and the frequency of fires involving heavy goods vehicles (HGV) is higher than that for passenger cars.
		SAFE TUNNEL is expected to contribute to the development of a future tunnel management concept for intelligent vehicles and intelligent infrastructures to improve driver safety.
		The objective was to introduce measures to reduce the number of HGV incidents in the European tunnels by 40 per cent within 10 years and cut the frequency of fires by 50 per cent in tunnels within six years.
	www.spacedaily.com /news/car-tech-05m.html (812 words)

	ipedia.com: Tunnel Article (Site not responding. Last check: 2007-10-26)
		Ground-level railway stationss often have one or more pedestrian tunnels under the railway to enable passengers to reach the platforms without having to walk across the tracks.
		Gotthard Tunnel opened in Switzerland on September 5, 1980 as the world's longest highway tunnel at 16.32 km (10.14 miles) stretching from Goschenen to Airolo.
		Tunnel closed its doors soon after the demise of nearby Twilo, the victim of the owner's debts and of Rudy Giuliani's quality-of-life campaign.
	www.ipedia.com /tunnel.html (603 words)

	MTA - Tunnel Jacking
		Inside these pits, tunnel boxes 80 feet wide and 40 feet high were built, which were then pushed by hydraulic jacks under the railroad tracks.
		Once the jacking pit was built and the tunnel box formed inside, crews broke apart the head end of the concrete pit, scooped away about three feet of soil, pushed the tunnel box ahead, and repeated the procedure again and again.
		Two of the boxes were built in two sections and the final box was built in three sections, with a set of jacks in between and another at the rear.
	www.massturnpike.com /bigdig/background/tjacking.html (782 words)

	LIVERPO - Online Information article about LIVERPO (Site not responding. Last check: 2007-10-26)
		After the entrance of a train the door is lowered and fresh air forced into the tunnel at considerable pressure from the same end by fans.
		Boston system of electrically operated subways and tunnels is ventilated by electric fans capable of completely changing the air in each section about every fifteen minutes.
		As an illustration, assume that the tunnel is a mile in length, that the consumption of fuel is 32 lb per mile, and that one train passes through the tunnel every five minutes in each direction; then the volume of air required per minute will be 32 lb X 29 cub.
	encyclopedia.jrank.org /LEO_LOB/LIVERPO.html (2839 words)

	quantronium.html (Site not responding. Last check: 2007-10-26)
		The tunnel barrier is an oxide layer 1 nm thick.
		The states with 0 or 1 Cooper pair in the island are the basis states of a possible candidate for a solid-state qubit.
		Recently, we have improved the Cooper pair box to make a new quantum circuit nicknamed Quantronium, in which we have measured the decoherence time, in the observation-free mode.
	www.math.gatech.edu /~jeanbel/4803/quantronium.html (412 words)

	Dog fun (Site not responding. Last check: 2007-10-26)
		There was no way he was going to go through the tunnel opening (the diameter of the tunnel is 2 feet and the length was about 2 feet at the first class).
		By the 2nd class, he was going through my box (I cut it down to 2 feet in height) as long as I was throwing a treat into the box.
		The next trick was to bend the tunnel so that he couldn’t see the end of the tunnel when he looked through it at the beginning.
	www.chescogreyhounds.org /dog_fun.html (2168 words)

	NPS Historical Handbook: Wright Brothers
		Their second wind tunnel—the first was a makeshift affair hurriedly contrived by Orville out of a wooden starch box and was used for just a few days and then only in preliminary tests—consisted of an open end wooden box 6 feet long and 16 inches square (inside dimensions).
		The air entered the tunnel through a funnel-shaped metal section equipped with a honeycomb-type wind straightener to produce a uniform airflow.
		The most ingenious parts of the Wright wind tunnel were the two balances they designed for measuring the lift and drag of the model air-foils.
	www.cr.nps.gov /history/online_books/hh/34/hh34i.htm (588 words)

	Box Tunnel - Term Explanation on IndexSuche.Com
		is a railway tunnel in western England, between Bath and Chippenham, dug through the Box Hill.
		There is a story which states that Brunel deliberately aligned the tunnel such that the rising sun is visible through it on April_9 each year, his birthday.
		This extensive stone mine was taken over by the government for use as an ammunition dump (with an underground station) during and after World_War_II, and was connected to other underground facilities cut into the same hill.
	www.indexsuche.com /Box_Tunnel.html (768 words)

	Discover
		The hill near Box was the last part of the line to be dealt with.
		It was generally believed that a tunnel through the hill would be so long and deep as to "stifle and deafen" passengers travelling through it.
		It is a testament to Brunel and his engineers that the Box Tunnel remains a functional element of the London Paddington to Bristol railway line.
	www.wowheritage.org.uk /nominations/nomination.php?NominationID=17 (292 words)

	The Box Hill Tunnel (Site not responding. Last check: 2007-10-26)
		The Bath end of the tunnel is very visible to the public and indeed there are many pictures of this end.
		The myth of steam trains being kept in the Box tunnel needed to be resolved.
		This smaller tunnel was originally a test tunnel before work commenced on the main line tunnel next to it.
	www.magonia.demon.co.uk /news/tunnels.html (3637 words)

	NETTLEDEN - Box Tunnel, Corsham
		Local men were put to work from the village, roughly 4000 in all and using a ton of candles and a ton of gun powder a week they slowly blasted their way through the hill, the operation cost £100 for every yard the workforce advanced.
		Fourteen air shafts were sunk along the alignment of the tunnel, this varied in depth from 70 to 300 feet, the shafts acted as access and bases from which the excavation was carried out.
		Part of the stone quarry were acquired and converted by the war department and converted for use in various war time roles, the huge Tunnel Quarry complex became the Central Ammunitions Depot making use of the branch line next to Box Tunnel.
	www.chocolatechipdesign.co.uk /nettleden/boxtunnel/index.shtml (531 words)

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