Each of the following problems refers to arolled-steel shape selected in a problem of Chap. 5 to support agiven loading at a minimal cost while satisfying the requirementsm # sall. For the selected design, determine (a) the actual valueof sm in the beam, (b) the maximum value of the principal stresssmax at the junction of a flange and the web.Loading of Prob. 5.74 and selected W530 3 92 shape.
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