Nds Timber Design Values: ALASKA SPRUCE
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) | table id |
|---|---|---|---|---|---|---|---|---|---|
| ALASKA SPRUCE | Construction | 1,300,000 | 470,000 | 1,000 | 330 | 1,250 | 575 | 160 | 4A |
| ALASKA SPRUCE | No. 1 | 1,500,000 | 1,500,000 | 950 | 330 | 1,100 | 600 | 160 | 4A |
| ALASKA SPRUCE | No. 2 | 1,400,000 | 1,400,000 | 875 | 330 | 1,050 | 500 | 160 | 4A |
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