24F-V4 (DF/DF) - Design Values
24F-V4 (DF/DF) 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.
Reference design values (NDS 2018)
| Fb | Bending | 2,400 psi |
| Ft | Tension parallel | 1,100 psi |
| Fv | Shear parallel | 265 psi |
| Fc⊥ | Compression perpendicular | 650 psi |
| Fc | Compression parallel | 1,650 psi |
| E | Modulus of elasticity | 1,800,000 psi |
| Emin | Modulus for stability | 950,000 psi |
Fb is the tension-zone value Fbx+ (governs simple-span beams). Compression-zone Fbx- = 1450 psi.
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
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