Question

M8.16 The transformed-section method scenes 210 mm 28 mm E 160 GPa E=90 GPa 76 mm K 240 mm y (mm) A composite beam cross section consists of two rectangular bars securely bonded together. The beam is subjected to a bending moment M = 20 kN-m that produces compression stress at H Determine: Oн (MPa) a) the vertical distance from K to the horizontal centroidal axis Ок (MPa) b) the bending stress produced at H c) the bending stress produced at K 1st 2nd 3rd attempt Try one enter Timothy A. Philpot 2001-2017 MecMovies

Answer 1

210mm 28mm Answer H K -76 mm 240mmm The dtam is memmt M 2dNm Meting aulyicliul to a a) etical ditacegfrn Kto the herizetal anis Ccntrid) all alulalun r this wilh whut o AR Khis or n AB anl Aast and as Ai Carua) 6x240/mm Badies Yi leutreid w.nt lase AB) 28 mm (76t14) 2 (t624028) t(2Sx10)(6) C76x240)+2 gX 210) y yiAi こAi 693120t529200 122232 0 824 04 5 880 50.67MM 24120

headng staes puducid at H M tauss Co M ZNA ニ20KN.w Ranlirng Jwen is distamc man ZNA nutral anis CUA) h 2 for ducluy bo ymae N A I = IArh3en 12 NA man 2 NA 12 X

M ZNA fen o at H 120X1010xO 210 2812 20x 103 Ixl21eX103) (28X1O 3)2 7288 M) 728862971 (a hwchrng ues faducalat 20x103 2 ZNA leoixst70x /20x103x1e30 86S 65097 240x76176