Solved: A 54-kip load is to be supported at the center of
Chapter 5, Problem 5.89(choose chapter or problem)
A 54-kip load is to be supported at the center of the 16-ft spanshown. Knowing that the allowable normal stress for the steel usedis 24 ksi, determine (a) the smallest allowable length l of beam CDif the W12 3 50 beam AB is not to be overstressed, (b) the mosteconomical W shape that can be used for beam CD. Neglect theweight of both beams.
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