For the plane truss shown in Figure P15 3, bar element 2 is subjected to a uniform temperature rise of T 60 deg F Let E 30 Atilde 106 psi, A 2 in2, and a 7 0 Atilde 10 6 (in in ) deg F The lengths of the truss elements are shown in the figure Determine the stresses in each bar 2 (2) 10 ft 45 45 (3 10 ft

Question: For the plane truss shown in Figure P15 -3, bar element 2 is subjected to a uniform temperature rise of T = 60 °F. Let

For the plane truss shown in Figure P15 -3, bar element 2 is subjected to a uniform temperature rise of T = 60 °F. Let E = 30 Ã— 106 psi, A = 2 in2, and a = 7.0 Ã— 10-6 (in./in.)/ °F. The lengths of the truss elements are shown in the figure. Determine the stresses in each bar.

2. (2) 10 ft 45 45 (3 10 ft

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