1256_Mechanics Homework Mechanics of Materials Solution

# 1256_Mechanics Homework Mechanics of Materials Solution -...

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Unformatted text preview: 77 10.77 A column of5.6-m effective length must carry a centric load of 2750 kN. PROBLEM 10- Knowing that or = 250 MPa and E.= 200 GPa, use allowable stress design to select the wide-ﬂange shape of 360-mm nominal depth that should be used. SOLUTION .. S : (b/s)(27_\$.___owo) , lgjsxio‘sml = 18330 w: 250 * to“ l ‘12 2750* (05x54) 33“; :16‘m” = 83.?!10‘ MM” 1t (20:): m“) 'I. Tr-J W3Gox216 A = 27éoo m.‘ = 27400210“ m __ IVS“ =~ 283:10‘ m“ o.‘(. = 10! mm '3 101x153 m n 200,,09 C; = EH/Qﬁ?‘ mass Le; =._._-_§__ - \$5.45 < C Lair = O.‘+‘+|23 roixlo'3 ,s £4, %(o.q‘+:2s)—J,I;(o.4ms)3 = LSZH _ M[ -s o 1 .- 10‘ new | 49441233] I233» P4 .u ".- SMA =(I23.‘7k10‘)(27éoo*lo'6)’ 3420s :03 N = 3%0 kl” 3920 W > 2150 W use wseolee .- ...
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