For the plane truss shown in Figure P15 6, bar element 2 is subjected to a uniform temperature drop of T 30 deg C Let E 70 GPa, A 4 Atilde 10 2 m2, and a 23 Atilde 10 6 (mm mm) deg C Determine the stresses in each bar and the displacement of node 1 2, 3 m 30 30

Question: For the plane truss shown in Figure P15 -6, bar element 2 is subjected to a uniform temperature drop of T = 30°C. Let E

For the plane truss shown in Figure P15 -6, bar element 2 is subjected to a uniform temperature drop of T = 30°C. Let E = 70 GPa, A = 4 Ã— 10-2 m2, and a = 23 Ã— 10-6 (mm/mm)/°C. Determine the stresses in each bar and the displacement of node 1.

2, 3 m 30 30

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