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Nds Timber Design Values: WESTERN CEDARS
Construction to Select Structural|4D
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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| WESTERN CEDARS | Construction | 900,000 | 330,000 | 800 | 425 | 850 | 475 | 155 | 0.36 | WCLIB, WWPA | 2" - 4" wide | NDS-2018 Supplement | 4A |
| WESTERN CEDARS | No. 1 | 1,000,000 | 370,000 | 725 | 425 | 825 | 425 | 155 | 0.36 | WCLIB, WWPA | 2" & wider | NDS-2018 Supplement | 4A |
| WESTERN CEDARS | No. 2 | 1,000,000 | 370,000 | 700 | 425 | 650 | 425 | 155 | 0.36 | WCLIB, WWPA | 2" & wider | NDS-2018 Supplement | 4A |
| WESTERN CEDARS | No. 3 | 900,000 | 330,000 | 400 | 425 | 375 | 250 | 155 | 0.36 | WCLIB, WWPA | 2" & wider | NDS-2018 Supplement | 4A |
| WESTERN CEDARS | No.1|Beams and Stringers|4D | 1,000,000 | 370,000 | 975 | 425 | 725 | 475 | 140 | 0.36 | WCLIB, WWPA | Beams and Stringers | NDS-2018 Supplement | 4D |
| WESTERN CEDARS | No.1|Posts and Timbers|4D | 1,000,000 | 370,000 | 875 | 425 | 800 | 600 | 140 | 0.36 | WCLIB, WWPA | Posts and Timbers | NDS-2018 Supplement | 4D |
| WESTERN CEDARS | No.2|Beams and Stringers|4D | 800,000 | 290,000 | 625 | 425 | 475 | 325 | 140 | 0.36 | WCLIB, WWPA | Beams and Stringers | NDS-2018 Supplement | 4D |
| WESTERN CEDARS | No.2|Posts and Timbers|4D | 800,000 | 290,000 | 550 | 425 | 550 | 350 | 140 | 0.36 | WCLIB, WWPA | Posts and Timbers | NDS-2018 Supplement | 4D |
| WESTERN CEDARS | Select Structural | 1,100,000 | 400,000 | 1,000 | 425 | 1,000 | 600 | 155 | 0.36 | WCLIB, WWPA | 2" & wider | NDS-2018 Supplement | 4A |
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