A composite beam is made of two brass [E = 120 GPa] bars bonded to two aluminum [E = 70 GPa] bars, as shown. The beam is subjected to a bending moment of 400 N-m acting about the z axis. Using a = 15 mm, b = 100 mm, c = 30 mm, and d = 65 mm, calculate (a) the maximum bending stress in the aluminum bars. (b) the maximum bending stress in the brass bars. N Aluminum y Brass Aluminum b Brass d a

Structural Analysis
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ISBN:9781337630931
Author:KASSIMALI, Aslam.
Publisher:KASSIMALI, Aslam.
Chapter2: Loads On Structures
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A composite beam is made of two brass [E = 120
GPa] bars bonded to two aluminum [E = 70 GPa]
bars, as shown. The beam is subjected to a bending
moment of 400 N-m acting about the z axis. Using
a = 15 mm, b = 100 mm, c = 30 mm, and d = 65 mm,
calculate
(a) the maximum bending stress in the aluminum
bars.
(b) the maximum bending stress in the brass bars.
Aluminum
y
Brass
Aluminum
b
Brass
C
a
d
Transcribed Image Text:A composite beam is made of two brass [E = 120 GPa] bars bonded to two aluminum [E = 70 GPa] bars, as shown. The beam is subjected to a bending moment of 400 N-m acting about the z axis. Using a = 15 mm, b = 100 mm, c = 30 mm, and d = 65 mm, calculate (a) the maximum bending stress in the aluminum bars. (b) the maximum bending stress in the brass bars. Aluminum y Brass Aluminum b Brass C a d
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