A beam is constructed of two angle sections, each L5 x 3 x 1/2, which reinforce a 2 x 8 (actual dimensions) wood plank (see the cross section shown in the figure). The modulus of elasticity for the wood is Ew = 1.2 x 106 psi and for steel is E, = 30 x 10 psi. Assume that the component parts of the beams are securely bonded by adhesives or connected by fasteners. Also, use the transformed-section method in the solutions. 2 X 8 wood plank z- 5 in. 3 in. Steel angles Find the allowable bending moment Mallow for the beam if the allowable stress in the wood is ow = 1350 psi and in the steel is o, = 12,000 psi. Dimensions and properties of the angles: I, = 9.43 in.", d = 1.74 in. and A, = 3.75 in.? (Note: Disregard the weight of the beam). Round your answer to one decimal place. Мlow k· in.
A beam is constructed of two angle sections, each L5 x 3 x 1/2, which reinforce a 2 x 8 (actual dimensions) wood plank (see the cross section shown in the figure). The modulus of elasticity for the wood is Ew = 1.2 x 106 psi and for steel is E, = 30 x 10 psi. Assume that the component parts of the beams are securely bonded by adhesives or connected by fasteners. Also, use the transformed-section method in the solutions. 2 X 8 wood plank z- 5 in. 3 in. Steel angles Find the allowable bending moment Mallow for the beam if the allowable stress in the wood is ow = 1350 psi and in the steel is o, = 12,000 psi. Dimensions and properties of the angles: I, = 9.43 in.", d = 1.74 in. and A, = 3.75 in.? (Note: Disregard the weight of the beam). Round your answer to one decimal place. Мlow k· in.
Materials Science And Engineering Properties
1st Edition
ISBN:9781111988609
Author:Charles Gilmore
Publisher:Charles Gilmore
Chapter12: Composite Materials
Section: Chapter Questions
Problem 10ETSQ
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A beam is constructed of two angle sections, each , which reinforce a (actual dimensions) wood plank (see the cross section shown in the figure). The modulus of elasticity for the wood is and for steel is . Assume that the component parts of the beams are securely bonded by adhesives or connected by fasteners. Also, use the transformed-section method in the solutions.
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