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9. The rigid horizontal bar ABC of negligible mass is connected to two rods as shown in the figure. If the system is initially stress-free, a temperature change will cause a tensile stress of 140 MPa in the brass rod. Assume that both rods are subjected to the same change in temperature. Brass L=2 m A = 1200 mm? E = 100 GPa a = 18.7 x 10-°C B 3 m 2 m

9. The rigid horizontal bar ABC of negligible mass is connected to two rods as shown in the figure. If the system is initially stress-free, a temperature change will cause a tensile stress of 140 MPa in the brass rod. Assume that both rods are subjected to the same change in temperature. Brass L=2 m A = 1200 mm? E = 100 GPa a = 18.7 x 10-°C B 3 m 2 m

Structural Analysis
Structural Analysis
6th Edition
ISBN:9781337630931
Author:KASSIMALI, Aslam.
Publisher:KASSIMALI, Aslam.
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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d) Calculate the change in temperature. Indicate increase or decrease in temperature.

9. The rigid horizontal bar ABC of negligible mass is connected to two rods as shown in the figure. If the system is initially stress-free, a temperature change will cause a tensile stress of 140 MPa in the brass rod. Assume that both rods are subjected to the same change in temperature. Brass L=2 m A = 1200 mm? E = 100 GPa a = 18.7 x 10-°C B -3 m 2 m Copper L-3 m A = 1500 mm? E= 120 GPa a = 16.8 x 10-6/°C
Transcribed Image Text:9. The rigid horizontal bar ABC of negligible mass is connected to two rods as shown in the figure. If the system is initially stress-free, a temperature change will cause a tensile stress of 140 MPa in the brass rod. Assume that both rods are subjected to the same change in temperature. Brass L=2 m A = 1200 mm? E = 100 GPa a = 18.7 x 10-°C B -3 m 2 m Copper L-3 m A = 1500 mm? E= 120 GPa a = 16.8 x 10-6/°C
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