Question

A rigidly held tie-bar in a heating chamber has a diameter of 24 mm and is tensioned to a load of 94 kN at a temperature of 16 °C. (a)

What is the initial stress in the bar? (b) What will be the resultant stress in the restrained bar when the temperature in the chamber has risen to 58°C?

Question image 1Question image 2Question image 3