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.

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.

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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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=2 m
A = 1200 mm?
E= 100 GPa
a= 18.7 um/(mC)
3 m
- 2 m -
Соpper
L= 3m
A = 1500 mm
E = 120 GPa
a = 16.8 um/(m"C)

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