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Nds Timber Design Values: MOUNTAIN HEMLOCK
No.1|Beams and Stringers|4D to Select Structural|Posts and Timbers|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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| MOUNTAIN HEMLOCK | No.1|Beams and Stringers|4D | 1,100,000 | 400,000 | 1,100 | 570 | 725 | 550 | 170 | 0.47 | WCLIB, WWPA | Beams and Stringers | NDS-2018 Supplement | 4D |
| MOUNTAIN HEMLOCK | No.1|Posts and Timbers|4D | 1,100,000 | 400,000 | 1,000 | 570 | 800 | 675 | 170 | 0.47 | WCLIB, WWPA | Posts and Timbers | NDS-2018 Supplement | 4D |
| MOUNTAIN HEMLOCK | No.2|Beams and Stringers|4D | 900,000 | 330,000 | 725 | 570 | 475 | 375 | 170 | 0.47 | WCLIB, WWPA | Beams and Stringers | NDS-2018 Supplement | 4D |
| MOUNTAIN HEMLOCK | No.2|Posts and Timbers|4D | 900,000 | 330,000 | 625 | 570 | 550 | 400 | 170 | 0.47 | WCLIB, WWPA | Posts and Timbers | NDS-2018 Supplement | 4D |
| MOUNTAIN HEMLOCK | Select Structural|Beams and Stringers|4D | 1,100,000 | 400,000 | 1,350 | 570 | 875 | 775 | 170 | 0.47 | WCLIB, WWPA | Beams and Stringers | NDS-2018 Supplement | 4D |
| MOUNTAIN HEMLOCK | Select Structural|Posts and Timbers|4D | 1,100,000 | 400,000 | 1,250 | 570 | 925 | 825 | 170 | 0.47 | WCLIB, WWPA | Posts and Timbers | NDS-2018 Supplement | 4D |
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