11.10 A wooden joist 15 cm deep by 7.5 cm wide is reinforced by glueing to its lower face a steel strip 7.5 cm wide by 0.3 cm thick. The joist is simply-supported over a span of 3 m, and carries a uniformly distrībuted load of 5000 N. Find the maximum direct stresses = 20. in the wood and steel and the maximum shearing stress in the glue. Take E/E, (Cambridge)
11.10 A wooden joist 15 cm deep by 7.5 cm wide is reinforced by glueing to its lower face a steel strip 7.5 cm wide by 0.3 cm thick. The joist is simply-supported over a span of 3 m, and carries a uniformly distrībuted load of 5000 N. Find the maximum direct stresses = 20. in the wood and steel and the maximum shearing stress in the glue. Take E/E, (Cambridge)
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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Question
Strength of Materials
The answer should be: wood 4.56 MN/m2; steel 52.9 MN/ m2; glue 0.21 MN/ m2.
11.10
A wooden joist 15 cm deep by 7.5 cm wide is reinforced by glueing to its lower face a steel strip 7.5 cm wide by 0.3 cm thick. The joist is simply-supported over a span of 3 m, and carries a uniformly distributed load of 5000 N. Find the maximum direct stresses in the wood and steel and the maximum shearing stress in the glue. Take E/E, = 20. (Cambridge)
Transcribed Image Text:11.10 A wooden joist 15 cm deep by 7.5 cm wide is reinforced by glueing to its lower face a
steel strip 7.5 cm wide by 0.3 cm thick. The joist is simply-supported over a span of 3
m, and carries a uniformly distributed load of 5000 N. Find the maximum direct stresses
in the wood and steel and the maximum shearing stress in the glue. Take E/E, = 20.
(Cambridge)
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