Question: A simple beam with an overhang supports a uniform load of intensity q = 1200 lb/ft and a concentrated load P = 3000lb (see figure).

A simple beam with an overhang supports a uniform load of intensity q = 1200 lb/ft and a concentrated load P = 3000lb (see figure). The uniform load includes an allowance for the weight of the beam. The allowable stresses in bending and shear are 18 ksi and 11 ksi, respectively.
Select from Table E-2 (a), Appendix E, the lightest I-beam (S shape) that will support the given loads.

P-3000 lb P=3000 lb _8ft q = 1 200 lb/ft 12 ft

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