2. Determine the horizontal displacement at C. Assume all members are pin connected (i.e., this is a truss). P1 = 5 kip and P2 = 3 kip. Member AB and BC experience a temperature increase of ATAB = 150°F and ATBC = 200°F, respectively. Member CD is fabricated 0.05" short, and member DE is fabricated 0.1" long. For all members, cross section is 1 in2, E = 29,000 ksi, and α = 6 ×ばつ 10−6/°F. Use the tables below for your calculations. B 4ft C D A 4ft B 3ft + 3ft For loads: Member n N L A E nNL/AE AB AD BC BD CD DE For thermal effect: Sum Member n α AT L naATL AB AD BC BD CD DE Sum For fabrication errors: Member n δ ηδ AB AD BC BD CD DE Sum

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