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PLATES STEEL STRUCTURES
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defines .rl' plane
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Figure Free-body forces involved in rotation about y-axis. (Forces involved in rotation about the x-axis not shown.)
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Figure
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5.2. Effect of Premature Local Buckling on Overall Column Strength
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5.3. Qa For Stiffened Elements (ANSI AISC360-05, E7.2)
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!~ ~~ ==t
lfWJcYl ti( 0' ~J -=.3~ ~ V~~..JG?
?-o''W b ~tf1(T) )~o -= ~
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CO~ oos;~;:,~ 'P y1 I = t:y.yy ~L;-~ / J; S
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EXAMPL 2 :------------ /\X.
c.~s '-/::::::b,4-"""""
... , 'V T Ar (ke.( ~d-((~ )
b", = >/ '12/- [4 _ 0 3~ / ~: J !::: ~ I tc (t- 13 00+ ~) of=. f (b Jt: ) f
(~~')4~ += F..,-=- 345 MA
~ ~k-L.) = 41.62. t!-. GILL ) ~ = 4-7.5~+~ r r1'(-. ~-b.:.(.s
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1Eb ~ 1.Cf1..{7; r1 _ o~_.;e-'] ;::- 3',62- t.. ~ - 4-4t: 34.5\ l 4~ V~ -t
'2.f+e~ =' A,3 - 2 ( b.l _ ~ ) t'l = 4-~ b ""''''''' t t
Q< '=- Aeu -=: _ .....,-~--}' =090 A3 5~d.o
3) ~~ of Co~ ~ ~ 4'1-.5 4-,~1 VIF; =- ~Aq,5 7
G.o/- '\Fc.r-= (o.6~8 ~) Q'h; =2%:t,~4 MPq (~= 1i~ =~SM~)&:Llr)L
4) tP eo P ~ p~Yl D,~t=c..r Aj .=. p~ ~ () ,~(), (1~~_b4) 554-0 = 1, 4- fS p
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p" ~ f'a. A.b1
2.b.1- 64-( p _8~t) ~)h:r~ = P ~ --
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