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Base design values for Yellow Cedar

Visually graded (NLGA) 2-4 in.thick x 2 in. & wider

Compression
Grade
Extreme Fiber Stress in Bending
Fb
Tension Parallel to Grain
Ft
Horizontal Shear
Fv
Perpendicular to Grain
Fc
Parallel to Grain
Fc
Modulus of Elasticity (million psi)
E
Select Structual120072517554012001,600,000
No.1/No. 280047517554010001,400,000
No. 34752751755405751,200,000
Construction92555017554012001,300.00
Standard52530017554010501,200.00
Utility2501501755406751,100,000
Stud6253751756505401,200,000

Design Values for Visually Graded (NLGA)

Yellow Cedar timbers (5×5 and larger)

Design values in pounds per square inch (psi)
Size Grade
Classification
Extreme Fiber Stress in Bending
Fb
Tension Parallel to Grain
F1
Shear Parallel to Grain
Fv
Compressions Perpendicular to Grain
Fc
Compression Parallel to Grain
Fc
Modulus of Elasticity
E
Select StructuralBeams and Stringers11506751304258501,000,000
No. 19254751304257001,000,000
No. 2625300130425450800,000
Select StructuralPosts and Timber10507001304259001,000,000
No. 18755751304258001,000,000
No. 2500350130425550800,000

Stability and Shrinkage in Engineering Data

Shrinkage of yellow cedar from green to overn dry

Radial – 2.8%

Tangental – 6.0%

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