Unformatted text preview: [—5 ' l __m] 1 my] .L___ .J l I L444 L_J___ A :1 6.25 Two W200 x 46.1 rolled steel sections are to be welded at A and B in either of
the two ways ehown to form a composite beam. Knowing that for each weld the
allowable horizontal shearing force is 500 kN per meter of weld, determine the Emmi!!! allowable shear in the composite beam for each of the two arrangements
own. PROBLEM 6.25 SOLUTION For rolled sfeeﬂ seeHon W ROOHJQJ l. A = sseo m a: 203 n... b‘: = 203 um I. = #515 “ohm“ I: = 15.3uto“ Mml' I = ZlL + My] = 2[ 45'.$~rlo‘ +(ssso)(32°—")‘] = zunvio‘ rm"
= ZH.7)‘/D‘6 m‘ Q = A; = te'seottia‘ial = 5‘54.8Ho’ m»? = 6“M’.8xto" m3 3‘ = 500 kN/M ‘For one. weld. For 2 weld}: (3.44? lOOO kU/M VQ  I .1! __ t2!!.7wo“\(loaono$)ﬁ x 1
7‘“ T V“. 73:. ' S‘MLBIIO“ ' 356 to N = 356 kN I : 2[IJ+ Naif]: 2[is.3xio‘ + sseotz—‘gY] = 15'qu sqo‘ m."
= 15134 Ho“ m. G. = A 31‘ ’ (subway): Seams wilt): mm‘ c 5?4.3v10" m3 : IQ?» __ (15l:‘lq:08"3C‘::D‘OIIO') , 254,103“ = 254 w 4 ...
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 Summer '10
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