bridge

Essay specific features

 

Issue:

Science

 

Written by:

Marsha H

 

Date added:

June 16, 2014

 

Level:

University

 

Grade:

B

 

No of pages / words:

3 / 785

 

Was viewed:

561 times

 

Rating of current essay:

 
Essay content:

Or rafts can be tied together in a pontoon (Cridlebaugh, 2002). That was the invention of the first bridge. The innovation of this basic concept came in during the Roman Empire. Romans would create a structure that could withstand great pressure and weight. This is the Roman arch - an invaluable principle which was the trailblazer for bridges in the future There are three basic designs for bridges that we analyzed...
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The beam bridge is a good design when trying to span a short gap that is also not very high. It is supported on either end by land or tall columns. This bridge is normally quite heavy. The truss bridge is similar to a beam bridge except much stronger. These bridges use a pattern of geometrical shapes (triangles) called trusses...
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