918_Mechanics Homework Mechanics of Materials Solution - 8.3 An overhanging W36 x 300 rolled-steel beam supports a load P as shown PROBLEM 3-3 Knowing

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Unformatted text preview: 8.3 An overhanging W36 x 300 rolled-steel beam supports a load P as shown. PROBLEM 3-3 Knowing that P = 320 kips, a = 100 m, and or,” = 29 ksi, determine (a) the maximum value of the normal stress 0,, in the beam, (b) the maximum value of the principal stress am at the junction of a ﬂange and the web, (6) whether the speciﬁed shape is acceptable as far as these two stresses are concerned. NI...“ = 320 {up 1m... , (320K100) r 32000 kip-in. For W 36 X 300 rolled {lee} beam d -- 3c.79;n Maegan. tr LSSO ha. tw:o.q9$1lﬂ. L: 20300 :W’ 8*: ”l0 I‘H‘ .Yh“ C-LI‘ 1&6? 'm. A,c 2 Erie-- 27.98 m‘ .— J¢ : 3' (c+ 353217.539» m3? = 4610.461 93 TlVlw Q5 _ £320 Maﬁa 9‘?) = 3.12 ks.‘ It to (208003019'15) P = (%)‘+ 2:; =(1/ (-53)”: 4 (8. m” \SJN ks. (L) 51., = % + R 22.5 ks" ((3) Since 28.5 ks.‘ < 6.” W36” 300 {s Aceefl‘alle. "4—441 Q ...
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