Thermal Stresses | Mechanics of Materials

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Example (10):
The rigid bar of negligible weight is supported as shown in the figure. If W =80 kN, compute the temperature change of the assembly that will cause a tensile stress of 50 MPa in the steel rod. Use the following data:
Example (11):
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, calculate the temperature change that will cause a tensile stress of 90 MPa in the brass rod. Assume that both rods are subjected to the same change in temperature.