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Bridge Structures - College Essays

Bridge Structures

and The Use of Geometry in Their Design
What is a bridge? A bridge is a structure providing continuous passage over a body of water, roadway, or valley. Every bridge looks different from the another. Their bridge structure is different. There are nine types of main bridges. Bridge engineers use a lot of geometry to help them design the different bridges. Without geometry, the bridges would not be safe.
Bridges have been around for a long time. The earliest bridges were probably formed by laying one or more logs across a brook or by stretching ropes or cables across a narrow valley. Those types of bridges are still in use. Wooden-beam bridges appear to have been the most common ...

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One of the most famous bridges would be The Pont du Gard at Nimes, France. It has three tiers of arches rising 155 feet above the Gard River, spans a distance of 855 feet. It was built in the late 1st century BC or the early 1st century AD.
The cantilever bridge is characterized by spans that are supported not at the ends but near the center of the grider or truss.
A suspension bridge 1010 feet long was designed and constructed by the German-American engineer John Roebling over the Ohio River, at Wheeling, West Virginia, in 1846. It was the first long-span wire-cable suspension bridge in the world. The Brooklyn Bridge, the George Washington Bridge, and the Golden Gate Bridge are all suspension bridges. The longest suspension bridge in the world opened in 1980 over the Humber Estuary in England with a span of 4626 feet.
The first steel bridge was built across the Mississippi River at St. Louis, Missouri, by the American engineer James Buchanan Eads, and opened in 1874. ...

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Bridge Structures. (2004, August 14). Retrieved November 22, 2024, from http://www.essayworld.com/essays/Bridge-Structures/12648

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PAPER DETAILS

Added: 8/14/2004 11:55:13 AM
Category: Technology
Type: Premium Paper
Words: 485
Pages: 2

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