3-21. The stress-strain diagram for a polyester resin is given in the figure. If the rigid beam is supported by a strut AB and post CD, both made from this material, and subjected to a load of P = 80 kN, determine the angle of tilt of the beam when the load is applied. The diameter of the strut is 40 mm and the diameter of the post is 80 mm. 2 m B 0.75 m ¹0.75 m 0.5 m + σ (MPa) 100 95 80 70 60 50 40 32.2 20- 0 0 compression tension 0.01 0.02 0.03 0.04 € (mm/mm)

Structural Analysis
6th Edition
ISBN:9781337630931
Author:KASSIMALI, Aslam.
Publisher:KASSIMALI, Aslam.
Chapter2: Loads On Structures
Section: Chapter Questions
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Problem 10
3-21. The stress-strain diagram for a polyester resin
is given in the figure. If the rigid beam is supported by a
strut AB and post CD, both made from this material, and
subjected to a load of P = 80 kN, determine the angle
of tilt of the beam when the load is applied. The diameter of
the strut is 40 mm and the diameter of the post is 80 mm.
2 m
B
P
0.75 m ¹0.75 m
D
0.5 m
σ (MPa)
100
95
80
70
60
50
40
32.2
20
0
compression
tension
0.01 0.02 0.03 0.04
-€ (mm/mm)
Transcribed Image Text:Problem 10 3-21. The stress-strain diagram for a polyester resin is given in the figure. If the rigid beam is supported by a strut AB and post CD, both made from this material, and subjected to a load of P = 80 kN, determine the angle of tilt of the beam when the load is applied. The diameter of the strut is 40 mm and the diameter of the post is 80 mm. 2 m B P 0.75 m ¹0.75 m D 0.5 m σ (MPa) 100 95 80 70 60 50 40 32.2 20 0 compression tension 0.01 0.02 0.03 0.04 -€ (mm/mm)
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