Three 1 3 18-in. steel plates are bolted to four L6 3 6 3
Chapter 6, Problem 6.43(choose chapter or problem)
Three 1 3 18-in. steel plates are bolted to four L6 3 6 3 1 angles toform a beam with the cross section shown. The bolts have a 78-in.diameter and are spaced longitudinally every 5 in. Knowing that theallowable average shearing stress in the bolts is 12 ksi, determine thelargest permissible vertical shear in the beam. (Given: Ix 5 6123 in4.)
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