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1215_Mechanics Homework Mechanics of Materials Solution

1215_Mechanics Homework Mechanics of Materials Solution -...

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Unformatted text preview: 10.22 Two columns are used to support a block weighing 3.25 kips in each of the PROBLEM "322 four ways shown. (a) Knowing that the column of Fig. (l) is made of steel with a l.25-in.—diameter, determine the factor of safety with respect to buckling for the loading shown. (5) Determine the diameter of each of the other columns for which the factor of safety is the same as the factor of safety obtained in part a. Use E = 29 SOLUTION 3722 IL = 3.722. ki'p. #0» one column, LCZE kip. Per‘ 3-722. _, P " Lazy ' 2'2"? “‘ Trt’EI Tr‘ E L Perm = L? 13¢”ch 7" (L235: Pct-(0:.i _I_¢_._t::,, (fli"(_l-_¢._)‘=l EKG IO} L61 d‘n L l (:n Lem/l- : 2.0 41p r.25-/z.o = 1.7:.8 in. (3&3) "- l-X'S— in. I clip 1.25“ 0.": - LO‘léin. A ...
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