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1235_Mechanics Homework Mechanics of Materials Solution

1235_Mechanics Homework Mechanics of Materials Solution -...

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Unformatted text preview: PROBLEM 10.47 3345/9“;— o.55'qt% 13‘ 3 P 229.7in 10.47 A SS—kip axial load P is epplied to 3 W8 X 24 lulled-steel column BC that is fieeatitstopCandfixedaIitsbaseB. Knomngthattheeocenmmyofthe load :38 = 0.25 113., determine the largest permissible length L If the allowable stress in the column 13 14 ksi. Use E= 29 x 10" psi. SOLUTION Dalia..- P 2': 55' figs 3 E = 295'10" Psu' ‘- ws523: A=7xm;$ c: at: 3.25:5.J 1),: 6m? i‘i k5}. M1 £[1+%sea(g./g)] 3.533-15- %-353(%@3 (Lem‘ ~—"‘*-I)' EC" e= 0.25.1}- 29000 V3; ibp: 33.3.33“, G.‘|‘i§ EM (‘3 = LGl in. (7.63) H) _ - 335352—5317 ’] ' “5‘” = LIGQSS‘ 1%.:- 0.55918 n‘EI Lez EI '{ o.5918;s(24wox:3.3) = 52.78““): in" : 23. L: ”4.8.33: 3 5.57 33+. 4 ...
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