An overhanging W920 3 449 rolled-steel beam supports a
Chapter 8, Problem 8.3(choose chapter or problem)
An overhanging W920 X 449 rolled-steel beam supports a load P as shown. Knowing that P = 700 kN, a = 2.5 m, and \(\sigma_\text{all}=100 \text{ MPa}\), determine (a) the maximum value of the normal stress \(\sigma_m\) in the beam, (b) the maximum value of the principal stress \(\sigma_\max\) at the junction of the flange and web, (c) whether the specified shape is acceptable as far as these two stresses are concerned.
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