A glue-laminated timber beam is reinforced by carbon fiber reinforced plastic (CFRP) material bonded to its bottom surface. The cross section of the composite beam is shown in figure below. The elastic modulus of the wood is E= 12 GPa and the elastic modulus of the CFRP is 112 GPa. The simply supported beam spans L = 6 m and carries a concentrated load P= 3.8 kN at midspan, see figure below. b₁ L/2 If b₁ = 88 mm and b₂ = 41 mm determine: P B L/2 C CFRP y b₂ f) the maximum bending moment in the beam. Enter your answer in kNm to 3 decimal places. g) the maximum bending stress in timber. Enter your answer in MPa to 2 decimal places. h) the maximum bending stress in the CFRP. Enter your answer in MPa to 2 decimal places. 250 mm 3 mm

A glue-laminated timber beam is reinforced by carbon fiber reinforced plastic (CFRP) material bonded to its bottom surface. The cross section of the composite beam is shown in figure below. The elastic modulus of the wood is E= 12 GPa and the elastic modulus of the CFRP is 112 GPa. The simply supported beam spans L = 6 m and carries a concentrated load P= 3.8 kN at midspan, see figure below. b₁ L/2 If b₁ = 88 mm and b₂ = 41 mm determine: P B L/2 C CFRP y b₂ f) the maximum bending moment in the beam. Enter your answer in kNm to 3 decimal places. g) the maximum bending stress in timber. Enter your answer in MPa to 2 decimal places. h) the maximum bending stress in the CFRP. Enter your answer in MPa to 2 decimal places. 250 mm 3 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 6.3.11P: A beam is constructed of two angle sections, each L5 x 3 x 1/2, that reinforce a 2 x g (actual...

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