$D aluminum steel t A composite beam is a built-up section made of aluminium and reinforced with a steel bar as shown in the figure above. If the beam is subjected to a bending moment of M=4 kNm, determine the maximum direct stress developed in the aluminium and steel. Eal=10.4 GPa, Est=198 GPa, D=150 mm, b=188 mm, and t=15 mm. (Note: ignore the weight of the beam) Maximum stress for the aluminium section. The answer must be in `MPa' but do not include the units in your answer! Maximum stress for the steel section. The answer must be in `MPa' but do not include the units in your answer!
$D aluminum steel t A composite beam is a built-up section made of aluminium and reinforced with a steel bar as shown in the figure above. If the beam is subjected to a bending moment of M=4 kNm, determine the maximum direct stress developed in the aluminium and steel. Eal=10.4 GPa, Est=198 GPa, D=150 mm, b=188 mm, and t=15 mm. (Note: ignore the weight of the beam) Maximum stress for the aluminium section. The answer must be in `MPa' but do not include the units in your answer! Maximum stress for the steel section. The answer must be in `MPa' but do not include the units in your answer!
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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Transcribed Image Text:$D
aluminum
steel
t
A composite beam is a built-up section made
of aluminium and reinforced with a steel bar
as shown in the figure above. If the beam is
subjected to a bending moment of M=4 kNm,
determine the maximum direct stress
developed in the aluminium and steel.
Eal=10.4 GPa, Est=198 GPa, D=150 mm, b=188
mm, and t=15 mm. (Note: ignore the weight of
the beam)
Maximum stress for the aluminium section.
The answer must be in `MPa' but do not
include the units in your answer!
Maximum stress for the steel section. The
answer must be in `MPa' but do not include
the units in your answer!
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