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Unformatted text preview: 5/11/09 Graphical Method • Slope of shear diagram= load intensity: • Slope of Moment diagram= shear : • So: – Where c1 and c2 are determined by 5/11/09 Straight member Deformation • The Neutral Axis does not change in length • All cross sections of the beam remain plane and perpendicular to Neutral Axis • Longitudal normal strain varies Linearly: 5/11/09 Flexure Formula • Normal stress, Using hooks law ( ), also varies linearly: • Compression is negative, while Tension is positive 5/11/09 Flexure Formula (cont) • The maximum normal stress occurs furthest away from the neutral axis • Since:...
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 Spring '08
 LEWISDEAN
 Force, flexure formula, Beam Shear, Straight member Deformation

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