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Topic: Cantilever bridge

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	Cantilever bridges - Design Technology
		Cantilever bridges normally use pairs of cantilevers back to back with a short beam bridge in between the cantilevers.
		The intentions for the bridge was that it would carry a railway engine and carriages up to 260 metres from the nearest support which at the time was quite an ambitious project.
		The bridge was designed and built by Benjamin Baker in the late 1880's and was one of the first cantilever bridges to be constructed.
	www.design-technology.org /cantileverbridges.htm (0 words)

	Cantilever Bridge
		A dental bridge is a false tooth, known as a pontic, which is fused between two porcelain crowns (a porcelain cap which covers the crown of the tooth) to fill in the area left by a missing tooth.
		The need for a dental bridge and specifically the cantilever bridge is obvious, however a bonus feature of this type of dental procedure is that the appearance after surgery is a natural one.
		Dental bridges do however have some disadvantages though in that it is common for your teeth to be mildly sensitive to extreme temperatures for a few weeks after the treatment.
	www.dentalfind.com /glossary/cantilever_bridge.html (580 words)

	Cantilever
		Cantilever is a clumsy word, reflecting a basic problem for designers - how to achieve a satisfactory appearance from a bridge which includes two types of structure, cantilever and suspended span.
		In practice, for a motorway bridge, the suspended span is often a simple beam, often shaped to continue the line of the cantilevers.
		The aqueduct is continuous, of necessity, which makes this bridge very unusual, as almost all cantilever bridges carry suspended spans which are supported at their ends by attachments that allow rotation.
	www.brantacan.co.uk /cantilever.htm (0 words)

	Cantilever \| World of Invention
		An aircraft wing is an example of a horizontal cantilever, where the support is on the end of the wing, supported by the wind, and the plane is the weight supported by the beam (that is, the wing).
		Another early steel cantilever bridge was over the East River in New York City, completed in 1901, with two main spans of 1,182 ft (360 m) connected by a central anchor span of 630 ft (192 m) on Blackwell Island.
		The Golden Gate bridge in San Francisco is part cantilever bridge and part suspension bridge, with a cantilever span of 1,400 ft (430 m).
	www.bookrags.com /research/cantilever-woi (551 words)

	Bridge Basics - A Spotter's Guide to Bridge Design (Site not responding. Last check: 2007-10-28)
		While a typical arch bridge passes its load to bearings at its abutment; a tied arch resists spreading (drift) at its bearings by using the deck as a tie piece.
		Masonry bridges, constructed in stone and concrete, may have open or closed spandrels A closed spandrel is usually filled with rubble and faced with dressed stone or concrete.
		Cantilever bridges are constructed using trusses, beams, or girders.
	www.pghbridges.com /basics.htm (0 words)

	Teachers' Domain: Firth of Forth Cantilever Bridge
		Cantilever bridges like the Firth of Forth Railway Bridge may look complicated, but the principle on which they're built is very simple.
		Similarly, the Forth Railway Bridge spans the waterway called the Firth of Forth, stretching between columns near opposite banks of the Firth to a column on a small island in the center.
		Whereas a beam bridge relies on the strength of the beam spanning the distance between columns to carry its own weight, as well as the loads generated by cars and trains that travel over it, the Forth Bridge uses a cantilever system to counteract the downward force generated between columns.
	www.teachersdomain.org /resources/phy03/sci/phys/mfw/bbcantilever/index.html (0 words)

	BUILDING BIG: Databank: Firth of Forth Bridge
		The Firth of Forth Bridge is made of a pair of cantilever arms, or beams "sticking out" from two main towers.
		The poet and artist William Morris declared it "the supremest specimen of all ugliness." Ugly or not, the Firth of Forth is a safe bridge.
		The Firth of Forth was the first bridge built primarily of steel.
	www.pbs.org /wgbh/buildingbig/wonder/structure/firth_of_forth.html (315 words)

	Great King Bridges
		A cantilever bridge requires the simultaneous construction of two arms of the structure in opposite directions from a single point so that the weight of each counterbalances the other.
		This much-photographed bridge was able to function as a key transportation artery for close to a century, despite the fact that it was only able to carry two lanes of traffic.
		It was held to be one of the longest cantilever spans in the United States at the turn of the century and probably one of the early steel bridges of its kind in the northwest.
	www.kingbridgeco.com /new_page_20.htm (3432 words)

	Bridges Over Niagara Falls
		The bridge had a span of 825 feet (251.4m), and was supported by four wire cables of ten-inch diameter each and had two decks: the lower deck was devoted to vehicles and the upper deck was devoted to the railway traffic.
		The ends of the cantilevers extended 395 feet (120m) from the abutments leaving a gap of 120 feet (36.5m) which was filled by an ordinary truss type bridge hung form the ends of the cantilever.
		In 1900, the superstructure of the bridge was redesigned.
	www.iaw.com /~falls/bridges.html (10127 words)

	Cosmetic Dentistry - Cosmetic Dental Procedures
		A dental bridge is a false tooth, known as a pontic, which is fused between two porcelain crowns to fill in the area left by a missing tooth.
		Cantilever bridges are used when there are teeth on only one side of the open space.
		A dental bridge is a false tooth, known as a potic, which is fused between two porcelain crowns to fill in the area left by a missing tooth.
	www.webplasticsurgery.com /cosmetic-dentistry/dental-crown-bridge.php (0 words)

	bxcant
		A cantilever differs from the arch and the beam in that the attachment points are not necessarily at opposite ends.
		The largest cantilever bridges are made of steel, though medium sized ones are sometimes in pre-stressed concrete.
		In any trussed cantilever, there are no members in shear: what happens is that the shear forces in the solid structure are represented in the truss by the forces in the sloping struts and ties.
	www.brantacan.co.uk /bxcant.htm (0 words)

	Cantilever Bridges
		Cantilever bridges are a modified form of beam bridge, with the support being placed not at the end, but somewhere in the middle of the span.
		A cantilever is a structure or beam that is unsupported at one end but supported at the other, like diving boards.
		The cantilever bridge was a popular type of bridge in the first half of the twentieth century, but at present, some commentators believe that the cable-stayed bridge will replace it for comparable spanning distances.
	www.richmangalleries.com /cantilever_bridges.htm (274 words)

	Blue Water Bridge Historic Cantilever Bridge in Port Huron Michigan and Point Edward Sarnia Ontario over St. Clair River
		Cantilever bridges are the largest and most complex form of truss bridge.
		I consider this bridge an unusual shape for a cantilever bridge, with its smooth and continuous arch shape.
		Despite that fact, as a fan of the old bridge, I still supported an idea of building a replica of the old bridge when plans for the new bridge were being presented to the public.
	www.historicbridges.org /truss/bwb (377 words)

	SAN FRANCISCO-OAKLAND BAY BRIDGE
		It was spanned by a 10,176 foot cantilever bridge, the longest bridge of its kind at the time.
		A section of the bridge was damaged in the 1989 Loma Prieta earthquake which measured 7.1 on the Richter scale.
		The earthquake demonstrated that despite the Bay Bridge's behemoth stature and deep piers, it was vulnerable to damage during strong quakes.
	www.dot.ca.gov /hq/esc/tollbridge/SFOBB/Sfobbfacts.html (1375 words)

	Jacques Cartier Bridge (QC 134)
		Once the piers were built, the cantilever sections had to be built out from the piers one by one, and without the help of falsework and floating piers so as not to impede river traffic.
		At the center of the bridge on Ile Ste.-Helene, there is a three-story building underneath the bridge (measuring 71.6 meters, or 235 feet in length) that is used today for maintenance operations.
		As the Jacques Cartier Bridge reached its 70th birthday in 2000, the JCCBI awarded a C$127 million contract to re-deck the 2.7-kilometer (1.7-mile) length of the bridge to Buckland and Taylor, an engineering firm with experience in deck replacement systems.
	www.montrealroads.com /crossings/jacques-cartier (2424 words)

	Firth of Forth Cantilever Rail Bridge
		Due to the tragic collapse of the Tay Bridge, The Firth of Forth bridge, completed in 1890, was heavily over-constructed in an attempt to regain the public's confidence.
		Some structural members of the bridge are as large as 12 feet in diameter.
		The Forth Bridge is one of the highlights of British engineering history, signifying what Victorian engineers were capable of.
	bridgepros.com /projects/FirthofForth/FirthofForth.htm (202 words)

	Bridge types - beam structure bridges - beam, cantilever, draw, truss
		A beam bridge is made with large supports on the edges and a heavy beam crossing over water, a ditch, or other open space.
		The cantilever bridge is a bridge formed by two projecting beams or trusses that are joined in the center by a connecting member and are supported on piers that are anchored by balancing members.
		The triangular supports span across the top sides of the bridge, and sometimes trusses are part of the under structure of a truss bridge.
	www.pennridge.org /works/brbeam.html (341 words)

	Dental.... Bridge Cantilever Dental Journal, Palatal Only,
		A cantilever bridge may be used if there are teeth on only one side of the span.
		Bridge dental appliance that permanently fastens to the teeth and fills an empty.
		The allceramic cantilever bridge a variation on a theme.
	bridge-cantilever-dental-journal.nx7.us (0 words)

	Brent Spence Bridge Kentucky Ohio River Cincinnati Cantilever Bridge I-75 I-70 Bridge
		This large cantilever truss bridge that features two deck levels for traffic, and was built in 1963, and as such it might lead one to suspect that it has little visual appeal and historic value.
		The bridge is what I would call a transition bridge, as it include features of newer and older truss bridges alike.
		Building bridges across such a large river is expensive, so I think they should keep all the crossings they can, rather than waste money demolishing it, and then seeing they have to build another 10 years from now.
	www.historicbridges.org /ohio/brentspence/index.htm (530 words)

	Cantilever Bridges @ Bridges 101 (Site not responding. Last check: 2007-10-28)
		Often, the part of the bridge that leads to the first cantilever is just a beam bridge.
		Cantilever bridges are built with many materials in different ways.
		Cantilever bridges are built in a way similar to beam and arch bridges, depending on how the bridge is designed.
	library.thinkquest.org /J002223/types/cantilever.html (160 words)

	The Quebec bridge (Site not responding. Last check: 2007-10-28)
		By Summer 1907 the structure was well advanced, with the cantilever arms projected out from both shores of the river, when a disastrous failure of the south arm plunged 76 workmen to their deaths.
		The new bridge would have anchor arms of 515 feet, with cantilever arms extending 580 feet beyond the main piers and supporting a 640-foot suspended span, giving the bridge the same record-breaking 1800 foot clear span planned for the previous design.
		The bridge was designed to support much heavier loads than the earlier one had been, extensive tests of materials were made, and design calculations were checked and rechecked.
	www.netrover.com /~capaigle/Ponts/ponta.html (569 words)

	BBR - Balanced Cantilever Bridge Construction
		With the cantilevering method, the superstructure of bridges is usually built from one or more piers by means of formwork carriers.
		The prestressing tendons are arranged according to the moment diagram of a cantilever, with a high concentration above the pier.
		The use of the cantilevering construction method, for medium and long span concrete bridges, is recommended especially where a scaffolding is difficult or impossible to erect as e.g., over deep valleys, wide rivers, traffic yards or in case of expensive foundation conditions for scaffolds.
	www.bbr.com.sg /BC-cantilever.html (171 words)

	Cantilever Bridge
		A cantilever bridge is used to replace a missing tooth when healthy teeth are available to provide support on one side of the space.
		A "cantilever" is a structure that is supported at one end and carries the load at the other end, like a balcony that is supported by horizontal beams.
		We want the entire procedure of getting a bridge to be comfortable for you, so first we make sure that your mouth is thoroughly numb.
	www.unionsquaredental.com /bridges/cantilever.htm (300 words)

	SOORIKIAN \| Cantilever Console
		Structurally, this unit is inspired by the ingenuity of the cantilever bridge.
		It is this idea of incredible lightness amidst such weight that inspired the structure of the cantilever console.
		The legs are placed in such a way as to achieve equilibrium similar to the cantilever bridge.
	www.soorikian.com /cantilever.html (122 words)

	Dental Bridges - A Complete Consumer Guide
		Dental bridges, dental implants, and partial dentures are used to replace missing teeth, the loss of which might adversely affect your mouth.
		A resin-bonded bridge, where less preparation of adjacent teeth is required, is often used for the front teeth, providing that the adjoining teeth do not have extensive dental fillings or unhealthy gums.
		While your bridge is being fabricated, you will be fitted with a temporary bridge so the teeth and gums can be protected from damage until the permanent bridge is made.
	www.yourdentistryguide.com /bridges (0 words)

	Maurice J Tobin (Mystic River) Bridge (US 1)
		The bridge was closed during much of 1935 while the steel swing span was refurbished and the steel roadway deck (supported by heavy timber trestles) was rebuilt.
		The approaches are comprised of 36 plate-girder spans on the Chelsea side of the bridge, and 32 plate-girder spans on the Charlestown side of the bridge.
		In 1967, the Mystic River Bridge was renamed in honor of Maurice J. Tobin, former Boston mayor and Massachusetts governor.
	www.bostonroads.com /crossings/tobin (1662 words)

	Goethals Bridge (I-278)
		The bridge proposal was to be part of an integral port improvement.
		The Goethals Bridge is a shorter version of the steel-truss cantilever Outerbridge Crossing, with a 672-foot-long suspended center span and two 240-foot-long side spans.
		The Goethals Bridge (I-278) and the parallel Arthur Kill railroad bridge serve the heavily industrialized areas of northwest Staten Island and the Newark-Elizabeth ports.
	www.nycroads.com /crossings/goethals (1440 words)

	websitesbybridgenet.com (Site not responding. Last check: 2007-10-28)
		Design and manufacture of pedestrian and vehicular bridges
		Structural Health Monitoring Total NDT Solutions for Bridges
		Masry and Vititoe is investigating claims of injury and death
	www.websitesbybridgenet.com /dogwood (75 words)

	Commodore Barry Bridge (US 322)
		On the Pennsylvania side, the bridge was to aid in the redevelopment of Chester, a city that had fallen on hard times in the postwar era.
		When I cross the bridge, I get the feeling it's wire together like a model airplane (the public) will be paying well over $200 million overall, and has the right to know for once and for all if (the bridge) is safe.
		The bridge deck rehabilitation project, which included improvements to the approaches (in conjunction with PennDOT and the NJDOT), was performed in three phases to minimize congestion.
	www.phillyroads.com /crossings/commodore-barry (1526 words)

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