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Transcript of Suspension Bridges
Clifton Suspension Bridge
Yicang, Hubei province, China Suspension Bridge
Bangkok Suspension Bridge More difficult to carry heavy traffic Sources
http://www.design-technology.org The Galloping Gertie Bosphorus Bridge in Istanbul, Turkey,Roeblings
The Great Belt Bridge, Denmark
Humber Bridge, England simplest form were originally made from rope and wood
Modern suspension bridges use a box section roadway supported by high tensile strength cables
early nineteenth century, suspension bridges used iron chains for cables
high tensile cables used in most modern suspension bridges were introduced in the late nineteenth century.
Today, the cables are made of thousands of individual steel wires bound tightly together
suspension bridges can span distances from 2,000 to 7,000 feet far longer than any other kind of bridge
most expensive to build
suspends the roadway from huge main cables, which extend from one end of the bridge to the other Devastations The 1940 Tacoma Narrows Bridge was the first incarnation of the Tacoma Narrows Bridge, a suspension bridge in the U.S. state of Washington that spanned the Tacoma Narrows strait of Puget Sound between Tacoma and the Kitsap Peninsula. In 1838 government engineers reported a plan for a bridge to be suspended between two piers six hundred feet apart, but no actual aid was ever obtained from Congress in promoting this enterprise
The first American suspension bridge was the Jacob's Creek Bridge, built by engineer and inventor James Finley in Westmoreland County, Pennsylvania, in 1801
The first design for a bridge resembling the modern suspension bridge is attributed to Venetian polymath Fausto Veranzio, whose 1595 book "Machinae Novae" included drawings both for a timber and rope suspension bridge, and a hybrid suspension and cable-stayed bridge using iron chains
The first wire-cable suspension bridge was the Spider Bridge at Falls of Schuylkill (1816), a modest and temporary footbridge built following the collapse of James Finley's Chain Bridge at Falls of Schuylkill (1808) Galloping Gertie Silver Bridge When built in soft ground, suspension bridges require extensive and expensive foundation work. Golden Gate Bridge Huber Bridge Flexibility can be a disadvantage to suspension bridges BIBLIOGRAPHY Google Images http://www.design-technology.org
http://hassam.hubpages.com/hub/Famous-Suspension-Bridges The Silver Bridge was an eyebar-chain suspension bridge built in 1928 and named for the color of its aluminum paint. The bridge connected Point Pleasant, West Virginia and Gallipolis, Ohio, over the Ohio River. http://www.onlinefootage.tv/stock-video-footage/3865/disaster-tacoma-narrows-bridge-galloping-gertie-in-washington-collapses-1940 The Silver Bridge was an eyebar-chain suspension bridge built in 1928 and named for the color of its aluminum paint. The bridge connected Point Pleasant, West Virginia and Gallipolis, Ohio, over the Ohio River. http://en.wikipedia.org/wiki/Silver_Bridge http://en.wikipedia.org/wiki/Tacoma_Narrows_Bridge_(1940) Jacob Creeks Bridge www.ehow.com › Vacations & Travel Planning