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426_Mechanics Homework Mechanics of Materials Solution

426_Mechanics Homework Mechanics of Materials Solution -...

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Unformatted text preview: 4.165 An axial load P of magnitude 30 kN is applied as shown to a short section of a PROBLEM 4.165 C 150 X 12.2 rolled-steel channel. Determine the largest distanced for which the maximum compressive stress is 60 MPa. P 3‘- 30 kN l a SOLUTION Add 3/- «Mai 2- ages «.5 ahowm For C ISO * IZZ V‘oUea \$41919 strife-d = 1540 m3 -= 1540M)" m‘ =' IS‘A MM 48 MM 5-! MM 5.35wo‘ mm It 0. 27‘ I M" Ma" ‘20-! MM 5.35310" m"' 0.276 no“ u” I1" A i at, I: 1: a 1 'l A Line dFaeHau 6i 'FNt-E. F di': —0. 2'93: g-a’twr- \O.I5mm P . souo' N My: -Pz,. = «(soxeo‘)(le>.15xto")=~304.5N-m M; 'l - Pa. 6} :- -60r£0" Pa. 2 “2.7"... ._ assuo" (—304.5‘)(|2.7*10")A_ 30x10“ + coxzo‘E ‘ ~76H0“ 0-176YIO" 1540,40“ I-G —%‘£— «3: — lion -.— I‘M-IS! + 603110‘ = - 135:.be N-m _ 1.4.: = -ii-sée'r—to’l = mam-n, -. 62.2 m - 0': 13 'belo‘ ...
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