For the plane truss shown in Figure P15 9, bar element 2 is subjected to a uniform temperature rise of T 10 deg C Let E 210 GPa, A 12 5 cm2, and Icirc plusmn 12 Atilde 10 6 deg C What temperature change is needed in bars 1 and 3 to remove the stress due to the uniform temperature rise in bar 2 Show...

A uniform temperature increase of 10C in each element yields zero stress for this special symme ...

For the plane truss shown in Figure P15 -9, bar element 2 is subjected to a uniform

Question:

For the plane truss shown in Figure P15 -9, bar element 2 is subjected to a uniform temperature rise of T = 10 °C. Let E = 210 GPa, A = 12.5 cm2, and Î± = 12 Ã— 10-6/°C. What temperature change is needed in bars 1 and 3 to remove the stress due to the uniform temperature rise in bar 2? Show enough work to prove your answer. Use a longhand solution.