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H.W 4 A simple beam on a 10 ft span supports a uniform load of intensity 800 lb/ft (see figure). The beam consists of a wood member (4 in. X 11.5 in. in cross section) that is reinforced by 0.25 in. thick steel plates on top and bottom. The moduli of elasticity for the steel and wood are E, = 30 x 106 psi and E,,= 1.5 X 106 psi, respectively. Calculate the maximum bending stresses o, in the steel plates and o, in the wood member due to the uniform load. 0.25 in. 800 lb/ft 10 ft FIGURE 4 11.5 in. 0.25 in. in.

H.W 4 A simple beam on a 10 ft span supports a uniform load of intensity 800 lb/ft (see figure). The beam consists of a wood member (4 in. X 11.5 in. in cross section) that is reinforced by 0.25 in. thick steel plates on top and bottom. The moduli of elasticity for the steel and wood are E, = 30 x 106 psi and E,,= 1.5 X 106 psi, respectively. Calculate the maximum bending stresses o, in the steel plates and o, in the wood member due to the uniform load. 0.25 in. 800 lb/ft 10 ft FIGURE 4 11.5 in. 0.25 in. in.

Structural Analysis
Structural Analysis
6th Edition
ISBN:9781337630931
Author:KASSIMALI, Aslam.
Publisher:KASSIMALI, Aslam.
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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H.W 4 A simple beam on a 10 ft span supports a uniform load of intensity 800 lb/ft (see figure). The beam consists of a wood member (4 in. x 11.5 in. in cross section) that is reinforced by 0.25 in. thick steel plates on top and bottom. The moduli of elasticity for the steel and wood are Es 30 x 10° psi and E, = 1.5 x 106 psi, respectively. Calculate the maximum bending stresses o, in the steel plates and or, in the wood member due to the uniform load. 0.25 in. 800 lb/ft 10 ft FIGURE 4 11.5 in. 0.25 in. 4 in.
Transcribed Image Text:H.W 4 A simple beam on a 10 ft span supports a uniform load of intensity 800 lb/ft (see figure). The beam consists of a wood member (4 in. x 11.5 in. in cross section) that is reinforced by 0.25 in. thick steel plates on top and bottom. The moduli of elasticity for the steel and wood are Es 30 x 10° psi and E, = 1.5 x 106 psi, respectively. Calculate the maximum bending stresses o, in the steel plates and or, in the wood member due to the uniform load. 0.25 in. 800 lb/ft 10 ft FIGURE 4 11.5 in. 0.25 in. 4 in.
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