4) See A.1.3 for 2 span floor joist requirements. Table 9.2 Adjustment factors for alternate loading and spacing conditions for determining required compression perpendicular to grain design values (Fc⊥) for joists and rafters. Loads, psf On-center spacing, in. Live Dead 12 16 19.2 24 10 5...
EDA 1 Floor joist span tablesTRADA Technology
(8" -2) x 2 = 12' = maximum allowable span for a generic "deck floor joist" A look at an actual current joist span table will show that depending on the wood species, the allowable spans for a 2x8 floor joists with 40 pound live load with deflection limit of span/360, ranges fro...