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Unformatted text preview: = = NOTE: xy xz in the flanges in the web Shearing Stresses in ThinWalled Members The variation of shear flow across the section depends only on the variation of the first moment. I VQ t q = = For a box beam, q grows smoothly from zero at A to a maximum at C and C and then decreases back to zero at E . Shearing Stresses in ThinWalled Members For a wideflange beam, the shear flow increases symmetrically from zero at A and A , reaches a maximum at C and the decreases to zero at E and E . The continuity of the variation in q and the merging of q from section branches suggests an analogy to fluid flow....
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 Fall '08
 LINDASCHADLERFEIST
 Shear, Stress

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