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Engineering Studies Notes Essay

  • Submitted by: milano225
  • on July 30, 2012
  • Category: Miscellaneous
  • Length: 4,866 words

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Below is an essay on "Engineering Studies Notes" from Anti Essays, your source for research papers, essays, and term paper examples.

Engineering Studies

Civil Structures

Historical Developments in Civil Structures

Beam Bridges

    • The word Beam comes from the old English word for wood.
    • Beams may be loosely grouped into two types; if the beam is supported at both ends it is a simply supported beam, whereas if it is only supported at one end it is a cantilevered beam.
    • A beam may be wood, metal or stone.
    • The Greek historian Herodotus wrote of a multi-span beam bridge in Babylon (present day Iraq) in the 5th Century BC.
    • Early beam bridges often used timber, but because timber rots and is attacked by borers and termites there are few left.
    • In 55 BC Julius Caesar built a 550m long wooden beam bridge that incorporated 50 spans; construction took ten days.
    • By 1570, Italian architect, Andrea Palladio had developed a truss girder bridge.
    • Early in the 19th Century, English engineer James Warren developed a truss girder bridge that would be extensively used by railway engineers.
    • It was In America, however, that the truss girder was developed to its modern day form
    • In 1847, Squire Whipple developed the iron truss, a design that carried on to the twentieth century
    • In 1849, the famous English engineer, Robert Stephenson, developed the Bowstring Girder.
    • In 1850 Stephenson collaborated with others to complete another important type of Beam Bridge.
    • In 1867, Heinrich Gerber built the first balanced cantilever bridge over the River Main in Germany.
    • In 1879 the Tay Bridge (on the same rail line as the forth Bridge) was built
    • 1948 saw the development of one of the most commonly used beam bridges today, the box girder bridge.

Arch Bridges

Masonry Arch Bridges

    • The stone arch bridge was used extensively by Roman engineers from 200 BC to 400 AD
    • The oldest Roman bridge is the Ponte Rotto in Rome
    • The biggest Roman bridge span was 42m on a 4 span viaduct in Narni, on the Via Flaminia....

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