Unformatted text preview: 10.107 A compression member made of steel has a 720mm: eﬁective length and
PROBLEM 10'1“ must Support the l98kN load 1’ as shown. For the material used as, = 250 MPa and E = 200 GPa. Using the interaction method with an allowable bending stress equal
to 150 MPa, determine the smallest dimension d of the cross section that elm be used. 10.108 Solve Prob. 10.107, assuming that the effective length is 1.62 m and that the
magnitude P of the eccentric load is 128 kN. SOLUTION Uea‘ha Al‘memsi‘oms Em \Me‘l‘ers A = #oxlo'z’ 59 La =' LGZ m I, = 75: 40v/o")3ol r 5.3333><:0“ J
I: = 1a (LlanoUr = 33333 x Io“ A” 131: 20 m: 2mm" m led: :8 m = 18x10" m 61; = 250 MPa E=Qooooo HPA
= 125266 Then IN" : Ix =1L5'47uo‘3M iﬁ: 140.24 > cc 2 2
11 E _ 1T gzooooo) ‘__ 52,23; MP0» Game“4'“ 2 [32(1, /r]"' — (.‘?7~l(l‘io.2‘n"
P + Jim!— = 1
Ass)...” IdsAwe maxco‘ «. (mauo‘)(tswxd‘)(*=‘)
Mario" 4 )(5‘2.23¢ Mo‘) (sesame? J$)(I50x;o°) .. 
.. al.260wto" + 2.30‘1Wo" : 1
el ol" d2 — GLZGOXlOJJ ~ 2.30?»[0J = C) d3 = %{ $1.240 x;o"+ ($1,260,153? +(qic2.3owo5) 1 = 37.6 HQ“ in > ‘lo :40” m 0' = 81$ MM ...
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