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701_Mechanics Homework Mechanics of Materials Solution

701_Mechanics Homework Mechanics of Materials Solution -...

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Unformatted text preview: VIBE—3:} C—jL—l 6.43 The 20 x 450mm steel plates are bolted to four L152 x 152 7f 19.0 angles to form a beam with the cross section shown. The bolts have a 22-mm diameter and on: spaced longitudinally every 125 mm. Knowing that the sllowable sverage shoanng stress in the bolts is 90 MPa, determine the largest penmsmble verhcal shear m the beam. (Given: 1, =1896 x 10" mm‘.) PROBLEM 6.43 SOLUTION .3 Fnge: IF": éwsoYzolfims'onouzss)‘= solarium" Web: I“, = 1J5. (20050? = ISL“! no" mm“ 1 Ana}: 3 i = ”.6 u-ID‘c m“; A: 5420 mm 3 : J? 225- '44.?" 12'0.‘ MI“ : + Ag'z' a ‘ q r u.cu(o‘+($420l(lso.ll =' I87.4-x|o m I = 2L + 1.,4 41.,“ = 1346 xlo‘mm“ : {saga-«10" m" I Q; = (450)(2o)(235) -' ZHleo‘ m... ia‘j ii Q“ = (5410)(l80,[\ :- (176*101 MM‘ " Q = Q? + 20‘ 2 4067xzo‘mu‘ = manna"; Ab-N g “Edy; = Erika-)1 " 330.| MML =' 380;'*’0—‘ m1 PM =21....A.. =(2)(sm:o‘)(zzo.|xto“) -* 68.42xlo’ N FM _ €8.42H03 , 547.3guf0‘ N/M 3“" = T ' an: 13;” 189910" )(547.scvto’) _ 1 3’: 5&9: V‘u :- Q : W - 255,-"; N = 255 Mk) 4 ...
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