The three members of the fully restrained truss shown in Fig.2 have equal length

Question

The three members of the fully restrained truss shown in Fig.2 have equal lengths (L=40 in), equal cross-sectional areas (A=0.5 in2 ). They are also constructed of the same material (E=10.5 x 10^6 psi and ? = 12 x10^ -6 / F). The bar cross-sections are circular.All members are heated by sunlight temperature difference of ? T= 100o F.

(a) Compute the deflection of the center node point when, in addition to the temperature differences, a force of 1200 pounds, directed downward, is applied at node 1.

(b) Compute the internal forces along the axis of each 2 these on element diagram. 2-force member. Draw until they have a

Explanation / Answer

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