Question 2 :The composite beam consists of a wood core and two plates of steel. If the allowable bendingstress for the wood is (allow)w = 20MPa and for the steel (allow)st = 130MPadetermine the maximum moment that can be applied to the beam.E = 11GPa, Et = 200GPaTake:A mmA = 130 mmB = 80 mmM20 mm20 mm-B mmSolution :200(10³) = 18.18211(10⁹)Page 1n =EThe width of steel must be increased to an equivalent width for wood:W..=mm1-width (A³)=(10³) m12Est= Failure of wood:Mc(₁) max=I20(106)= 0.5 MAIFailure of steel:(0:1) max130(106)=M=nMcI(18.182) (0.5MA).IkNmM =kNmAns

Answered: Image /qna-images/answer/484bb6c2-3096-486c-af68-b3521ce8bc9b.jpg

Question 2: The composite beam consists of a wood core and two plates of steel. If the allowable bending stress for the wood is (allow)=20MPa and for the steel (allow)t =130MPa determine the maximum moment that can be applied to the beam. E₁ =11GPa, E., = 200GPa Take: z A mm A = 130 mm B= 80 mm M 20 mm 20 mm- B mm

Question 2: The composite beam consists of a wood core and two plates of steel. If the allowable bending stress for the wood is (allow)=20MPa and for the steel (allow)t =130MPa determine the maximum moment that can be applied to the beam. E₁ =11GPa, E., = 200GPa Take: z A mm A = 130 mm B= 80 mm M 20 mm 20 mm- B mm

Mechanics of Materials (MindTap Course List)

9th Edition

ISBN:9781337093347

Author:Barry J. Goodno, James M. Gere

Publisher:Barry J. Goodno, James M. Gere

Chapter6: Stresses In Beams (advanced Topics)

Section: Chapter Questions

Problem 6.10.9P

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