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Unformatted text preview: BRIDGES
How They Work What are Bridges you ask?
Provides passage over an obstacle waterway road railroad tracks Part of our everyday life Forces Acting Upon Bridges Forces Upon Tension forces which expand the object it is acting upon Compression the force that acts to shorten Dissapationtakes weight from center of bridge and stretches it to abutments Example Example Forces Continued Torsion rotational or twisting Resonance vibrations, waves Weather rain, wind, snow Basic Types of Bridges Beam Arch Suspension Beam Bridge Beam Bridges Arch Bridges Arch Bridges Suspension Bridges Suspension Bridges Suspension Bridges Suspension Bridges Bridge Building Project It is now your job to Build a Bridge ...
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This document was uploaded on 04/12/2011.
- Winter '09