A rigid horizontal bar of negligible mass is connected to two rods as shown in Fig. If the system is initially stress-free. Calculate the temperature change that will cause a tensile stress of 80 MPa in the brass rod. Assume that both rods are subjected to the change in temperature. Brass L=2m A= 1200 mm E- 100 GPa a18.7 um/(m*C) 3m 2m - Copper L-3m A= 1500 mm E= 120 GPa a = 16.8 um/(m"C)
A rigid horizontal bar of negligible mass is connected to two rods as shown in Fig. If the system is initially stress-free. Calculate the temperature change that will cause a tensile stress of 80 MPa in the brass rod. Assume that both rods are subjected to the change in temperature. Brass L=2m A= 1200 mm E- 100 GPa a18.7 um/(m*C) 3m 2m - Copper L-3m A= 1500 mm E= 120 GPa a = 16.8 um/(m"C)
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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Transcribed Image Text:A rigid horizontal bar of negligible mass is connected to two rods as shown
in Fig. If the system is initially stress-free. Calculate the temperature change
that will cause a tensile stress of 80 MPa in the brass rod. Assume that both
rods are subjected to the change in temperature.
Brass
L-2m
A= 1200 mm
E- 100 GPa
a18.7 um/(m*C)
3m
2m-
Copper
L-3m
A= 1500 mm
E= 120 GPa
a = 16.8 um/(m"C)
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