HW8 solution.pdf - 1 5.2 A certain polymer fails in tension...

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1 5.2. A certain polymer fails in tension at a stress σ 0 and its uniaxial constitutive law is approximated by the equation σ zz = 0 . 6 σ 0 e 0 . 2 zz ; e zz > 0 = - 0 . 6 σ 0 | e zz | 0 . 2 ; e zz < 0 . It is used for a rectangular beam of width b and height h . Find the maximum bending moment that can be transmitted by the beam without failure.

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