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. × 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 × 10° psi and E,, = 1.5 × 10° 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 11.5 in. 0.25 in. 10 ft 4 in. FIGURE 4
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. × 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 × 10° psi and E,, = 1.5 × 10° 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 11.5 in. 0.25 in. 10 ft 4 in. FIGURE 4
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 6.2.13P: A simply supported wooden I-beam with a 12-ft span supports a distributed load of intensity q = 90...
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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 × 10° psi and E, = 1.5 × 10° psi, respectively.
Calculate the maximum bending stresses o, in the steel
plates and o,, in the wood member due to the uniform load.
y
0.25 in.
800 lb/ft
11.5 in.
0.25 in.
10 ft
4 in.
FIGURE 4](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F827e6306-dc40-4261-a507-f33727c33fa4%2Fbbec3ecf-e538-4946-b616-60ea318a64cf%2Fxeu48w_processed.jpeg&w=3840&q=75)
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 E,
30 × 10° psi and E, = 1.5 × 10° psi, respectively.
Calculate the maximum bending stresses o, in the steel
plates and o,, in the wood member due to the uniform load.
y
0.25 in.
800 lb/ft
11.5 in.
0.25 in.
10 ft
4 in.
FIGURE 4
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