Select an open-web steel joist for the following roof system that must support a 30 psf dead load (which includes an estimated joist weight) and a 25 psf live load. The joists are 30-fl long and spaced 5-ft o.c. The maximum permissible live load deflection is L/360. Use ASI3 and specify the required number of rows of bridging for each case.

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30' Jolst -20¹ 30' Jolst -20¹

Answer rating: 100% (QA)

Given data Dead load W D 30 psf Live load W L 25 psf Length of the joist L 30ft Spaci... View the full answer