Unless otherwise noted in the following problem, assume that the beam cross section is oriented so the strong axis is the bending axis.
A 4 × 12 (S4S) hem-fir timber beam carries a superimposed uniformly distributed load of 325 lb/ft on a simple span of 12 ft. Determine the maximum bending stress and the maximum shear stress, and compare with the allowable stresses. Be sure to include the beam weight.
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