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1210_Mechanics Homework Mechanics of Materials Solution

1210_Mechanics Homework Mechanics of Materials Solution -...

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Unformatted text preview: PROBLEM 10.17 10.17 A column of 224% effective length is to be made by welding two 9 x 0.5 in plates to 3 W8 X 35 as shown. Det ‘ c the allowable centric load if afiwtor of safety of 2.3 is required. Use E = 29 X 106 psi. SOLUTION 03' w 3 >455 Ix: 127 m" Ij= 42.6 m" b# I: go 02, in @ an) @ 170-0 Each pjmfi‘e A: (0. 51610) = ‘Lfn‘n" In t l—‘i(o.53(‘fl“‘ -‘ 30.375.‘n* I3 = fiffldsfl (4.5)(—8—‘,§E+ 955T] = 8|.‘758 in” Ta+J= I, = m 4 (“(303753 * r9175 w = 1m IJ : 42¢ 46431353) = 206-12 5" L = 2243+ - 20! I‘m ' TF‘E 1'12? (0") 187.75) Parr T: ' ’1‘,“ LC = 771.0 xto’ 1!. = 77: M“ ‘ Pa _ 'm . Pall ‘ ES. . 7? ‘: 335 kuPS " ...
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