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Design a rectangular sections for the beam, load, and rho values shown. Beam weights are not...

Design a rectangular sections for the beam, load, and rho values shown. Beam weights are not included in the load shown. Show sketches of cross sections, including bar sizes, arrangement, and spacing. Assume concrete weighs 150 pcf, f_y = 60000 psi, f'_c = 4000 psi, unless given otherwise. PL = 20 k, Wd=2k/ft, left end fix, right end roller. from fix to PL 8ft, from PL to roller16 ft. total length = 24 ft. Use rho = 1/2* rho_b

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