Structural steel beams are to be placed at 7ft 6in on


1. Determine the maximum combined loads using the recommended AISC expressions for LRFD.

D=100 psf, L=70 psf, R=12 psf, L_r=20 psf and S= 30 psf


2. Structural steel beams are to be placed at 7ft 6in on center under a reinforced concrete floor slab. If they are to support a service dead load D=64 psf of floor area and a service live load L=100 psf of floor area, determine the factored uniform load per foot which each beam must support.

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Civil Engineering: Structural steel beams are to be placed at 7ft 6in on
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