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1292_Mechanics Homework Mechanics of Materials Solution

1292_Mechanics Homework Mechanics of Materials Solution -...

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Unformatted text preview: PROBLEM 19 117 10.117 A column of3.5-m effective length is made by welding together two 89 X 64 ' X 6.4-mm anng as shown. Using E = 200 GPa, determine the allowable centric load if a factor of safety of 2.8 is required. SOLUTION Ohe angle x: l$.8 mm 11 = I), 4 A (35.1-45.3? = 0.333 x :o‘ 4: (438101ch 6 _)| = 0.886 #103 mm >+ IJ=C2YO.68G><10")= 1.372xlo‘ um“ e L372x/o" m“ “IT‘EI; _ 'fi‘UOOxIO‘XLE'IZHO") {F53 Lei ' (2.2)(3.5)= = 710:10" N = 79.0 kN ...
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