24F-1.8E (SP/SP) - Design Values

24F-1.8E (SP/SP) is a glued-laminated timber grade with reference design values to NDS 2018 Supplement Table 5A. Its reference bending value Fb is 2,400 psi, compression parallel Fc is 1,650 psi, and modulus of elasticity E is 1,800,000 psi (NDS). Values are shown before adjustment factors; apply the relevant NDS C-factors or EC5 k_mod and γ_M for your load case.

Fb (bending): 2,400 psi
Fc (compression): 1,650 psi
E (modulus): 1.8M psi

Reference design values (NDS 2018)

Fb	Bending	2,400 psi
Ft	Tension parallel	1,150 psi
Fv	Shear parallel	300 psi
Fc⊥	Compression perpendicular	740 psi
Fc	Compression parallel	1,650 psi
E	Modulus of elasticity	1,800,000 psi
Emin	Modulus for stability	950,000 psi

Southern Pine combination; higher shear (Fv = 300 psi) than the Douglas Fir combinations.

Source: NDS 2018 Supplement Table 5A. Reference values are shown before adjustment factors (NDS C-factors / EC5 k_mod, γ_M) - apply these per your load case in design.

Other Glued-Laminated Timber grades

24F-V4 (DF/DF)24F-V8 (DF/DF)20F-V3 (DF/DF)GL24h (EN 14080)GL28h (EN 14080)GL32h (EN 14080)GL24c (EN 14080)GL28c (EN 14080)

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