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Nds Timber Design Values: EASTERN HEMLOCK-TAMARACK (N)
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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| EASTERN HEMLOCK-TAMARACK (N) | No.1|Beams and Stringers|4D | 1,300,000 | 470,000 | 1,200 | 555 | 800 | 600 | 165 | 0.47 | NLGA | Beams and Stringers | NDS-2018 Supplement | 4D |
| EASTERN HEMLOCK-TAMARACK (N) | No.1|Posts and Timbers|4D | 1,300,000 | 470,000 | 1,100 | 555 | 875 | 725 | 165 | 0.47 | NLGA | Posts and Timbers | NDS-2018 Supplement | 4D |
| EASTERN HEMLOCK-TAMARACK (N) | No.2|Beams and Stringers|4D | 1,100,000 | 400,000 | 775 | 555 | 500 | 400 | 165 | 0.47 | NLGA | Beams and Stringers | NDS-2018 Supplement | 4D |
| EASTERN HEMLOCK-TAMARACK (N) | No.2|Posts and Timbers|4D | 1,100,000 | 400,000 | 650 | 555 | 600 | 425 | 165 | 0.47 | NLGA | Posts and Timbers | NDS-2018 Supplement | 4D |
| EASTERN HEMLOCK-TAMARACK (N) | Select Structural|Beams and Stringers|4D | 1,300,000 | 470,000 | 1,450 | 555 | 950 | 850 | 165 | 0.47 | NLGA | Beams and Stringers | NDS-2018 Supplement | 4D |
| EASTERN HEMLOCK-TAMARACK (N) | Select Structural|Posts and Timbers|4D | 1,300,000 | 470,000 | 1,350 | 555 | 1,000 | 900 | 165 | 0.47 | NLGA | Posts and Timbers | NDS-2018 Supplement | 4D |
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