L18 - • Chaps 1 and 2 normal stress due to centric loads...

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Unformatted text preview: • Chaps. 1 and 2, normal stress due to centric loads • Chap. 3, shearing stresses in a circular member due to a twisting couple • Chap. 4, normal stresses due to bending couples • Chaps. 5 and 6, shearing stresses due to transverse loads • Chap. 7, stress transformation by a rotation of the coordinate axes and how to determine the principal planes, principal stresses, and maximum shearing stress at a point. • Chapter 8, stress in a structural member or machine element due to a combination of loads and how to find the corresponding principal stresses and maximum shearing stress Overview TODAY: Principal Stresses in BEAMS Principal Stresses in a Beam • Prismatic beam subjected to transverse loading It VQ It VQ I Mc I My m xy m x = − = = − = τ τ σ σ • Principal stresses determined from methods of Chapter 7 • Can the maximum normal stress within the cross-section be larger than I Mc m = σ Principal Stresses in a Beam...
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L18 - • Chaps 1 and 2 normal stress due to centric loads...

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