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Unformatted text preview: Useful Formulae Basic Definitions Normal stress Shear stress 2 Factory of Safety (FS) 2 ½ Stress Transformations 2 2 2 2 2 2 Axial Loading Displacement e ∑ ∆ Mohr’s Circle Torsion of circular shafts Maximum shear stress Angle of twist ∑ Column Buckling Euler buckling load Effective –length factors (Le = K L) Flexure of beams Flexure fomula Shear stress from bending Shear flow Shear flow, fastener spacing, and fastener shear relationship Stresses in a cylindrical pressure vessel Section Properties Polar moment of inertia for a circular shaft 2 32 • • • • pinnedpinned, K = 1 fixedpinned, K = 0.7 fixedfixed, K = 0.5 fixedfree, K = 2 Area Moment of inertia Rectangular section Circular section CIV‐207 – Solid Mechanics 2 of 6 28 April 2009 ...
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 Winter '09
 Shao
 Shear Stress

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