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478_Mechanics Homework Mechanics of Materials Solution

478_Mechanics Homework Mechanics of Materials Solution -...

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Unformatted text preview: 4.218 Threel20 x 10—min steel plates have been welded together to form the beam PROBLEM 4.218 shown. Assmning that the steel is elastoplastie with E = 200 GPa and “y = 300 We, determine (a) the bending moment for which the plastic zones at the top and bottom of the beam are 40 mm thick, (1)) the corresponding radius of curvature of the beam. A: ORCHID): 1200 m...‘ 1. A: T (30306): 300 mm A3? (:30)CID): EODMW} SOLUTION Pl 2 GrA, =(3ooxuo‘mQ00a-lo“): 35mm" N Q27 (STA; : (800x(o‘ )(3ooxld‘ )= 70.403 p R: : Ié-S'fAz = %. (Socrlo‘ )Caoouo“ 3 “- HEkIO‘ N 3': 65 m: syncs" w 3‘: 45mm: ‘55 “0"?» 3/3 = 20mm 3 20ml0'3m Mammal; + P53”) : Z {(BGOKGS) + Galas) + (45)(zo)} r 56.7»«(0’ MM 56.7 mm (zooxlo'Xsoxzd’) : 20 m 3001:10‘ ...
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