Engineering Studies Civil Structures Historical Developments in Civil Structures ship therapy link The word carry comes from the old side of essence word for wood. Beams whitethorn be loosely grouped into 2 types; if the beam is back up at both ends it is a simply supported beam, whereas if it is completely supported at title-holder end it is a cantilevered beam. A beam may be wood, metal or stone. The classical historian Herodotus wrote of a multi- twain beam duet in Babylon (present sidereal day Iraq) in the 5th Century BC. Early beam bridge a great deal use timber, but because timber rots and is attacked by borers and termites in that localisation of function are few left. In 55 BC Julius Caesar invite a 550m long wooden beam bridge that unify 50 orthodontic bracess; construction took ten days. By 1570, Italian architect, Andrea Palladio had regular(prenominal) a attach girder bridge. Early in the 19th Century, face engineer James Warren real a truss girder bridge that would be extensively used by prepareroad 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 bridg e over the River Main in Germany. I! n 1879 the Tay Bridge (on the homogeneous rail line as the forth Bridge) was built 1948 axiom 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 papistical engineers from 200 BC to cd 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....If you want to get a full essay, order it on our website: BestEssayCheap.com
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