2306.1.4 Lumber decking.
BC § 2306.1.4
The capacity of lumber decking arranged according to the patterns described in Section 2304.9.2 shall be the lesser of the capacities determined for flexure and deflection according to the formulas in Table 2306.1.4. Table 2306.1.4Allowable Loads for Lumber Decking PatternAllowable Area Load a, bFlexureDeflectionPatternAllowable Area Load a, bFlexureDeflectionSimple spanTwo-span continuousCombination simple- and two-span continuousCantilevered pieces intermixedControlled random layupMechanically laminated decking2-inch decking3-inch and 4-inch decking For SI: 1 inch = 25.4 mm. a. σb = Allowable total uniform load limited by bending. σΔ = Allowable total uniform load limited by deflection. b. d = Actual decking thickness. L = Span of decking. F'b = Allowable bending stress adjusted by applicable factors. E' = Modulus of elasticity adjusted by applicable factors.













