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Nds Timber Design Values: MIXED OAK
Select Structural|Beams and Stringers|4D to Utility
NDS (National Design Specification) reference design values for visually graded dimension lumber — bending, tension, shear, compression, and modulus of elasticity
| species | grade | E psi (psi) | Emin psi (psi) | Fb psi (psi) | Fc perp psi (psi) | Fc psi (psi) | Ft psi (psi) | Fv psi (psi) | G | grading rules agency | size classification | standard | table id |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| MIXED OAK | Select Structural|Beams and Stringers|4D | 1,000,000 | 370,000 | 1,350 | 800 | 825 | 800 | 155 | 0.68 | NELMA | Beams and Stringers | NDS-2018 Supplement | 4D |
| MIXED OAK | Select Structural|Posts and Timbers|4D | 1,000,000 | 370,000 | 1,250 | 800 | 875 | 850 | 155 | 0.68 | NELMA | Posts and Timbers | NDS-2018 Supplement | 4D |
| MIXED OAK | Standard | 800,000 | 290,000 | 525 | 800 | 650 | 300 | 170 | 0.68 | NELMA | 2" - 4" wide | NDS-2018 Supplement | 4A |
| MIXED OAK | Stud | 800,000 | 290,000 | 625 | 800 | 400 | 375 | 170 | 0.68 | NELMA | 2" & wider | NDS-2018 Supplement | 4A |
| MIXED OAK | Utility | 800,000 | 290,000 | 250 | 800 | 425 | 150 | 170 | 0.68 | NELMA | 2" - 4" wide | NDS-2018 Supplement | 4A |
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