Question: Fig. P8.1 10 ft D IP 8.1 A W10 x 39 rolled-steel beam supports a load P as shown. Knowing that P = 45

Fig. P8.1 10 ft D IP 8.1 A W10 x 39 rolled-steel

Fig. P8.1 10 ft D IP 8.1 A W10 x 39 rolled-steel beam supports a load P as shown. Knowing that P = 45 kips, a = 10 in., and 6 = 18 ksi, determine (a) the maximum value of the normal stress 6, in the beam, (b) the maxi- mum value of the principal stress max at the junction of the flange and web, (c) whether the specified shape is acceptable as far as these two stresses are concerned. 8.2 Solve Prob. 8.1, assuming that P = 22.5 kips and a = 20 in.

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