5.66 For the beam and loading shown, design the cross section of the beam, knowing that the grade of timber used has an allowable normal stress of 12 MPa.
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First, we need to calculate the maximum bending moment in the beam. The beam is simply supported and has a uniformly distributed load. The maximum bending moment for such a beam occurs at the center and can be calculated using the formula M_max = wL^2/8, where w Show more…
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