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Beam Deflection: Difference between revisions

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The equation opposite gives [http://en.wikipedia.org/wiki/Deflection_%28engineering%29#Beam_deflection_for_various_loads_and_supports '''Deflection (Δ)'''] of a simply supported beam loaded in the centre.
The equation opposite gives [http://en.wikipedia.org/wiki/Deflection_%28engineering%29#Beam_deflection_for_various_loads_and_supports '''Deflection (Δ)'''] of a simply supported beam loaded in the centre.
 
[[File:WhiteSpace.jpg|300px|right]]
[[File:BeamDeflectionLabelled.jpg|400px|right]]
'''Where''':
'''Where''':



Revision as of 11:58, 7 November 2014

The deflection of a beam under load may be measured using a dial gauge for example but may also be calculated.

The equation opposite gives Deflection (Δ) of a simply supported beam loaded in the centre.

WhiteSpace.jpg
BeamDeflectionLabelled.jpg

Where:

  • W = Load
  • L = Span
  • E = Young's Modulus ( - a measure of how stiff the materials is)
  • I = Moment of Inertia ( - a measure of the capacity of a cross section to resist bending)