lrfd 010 - .4 U REFERENCE STRENGTHS Table 3.2 Reference...

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Unformatted text preview: .4 U) , REFERENCE STRENGTHS Table 3.2 Reference Strengths for Visually Graded Dimension Lumber Design values in kips per square inch (ksi) 1 Modulus Tension Shear Compression Compression Bending parallel parallel perpendicular parallel of Species and Size to grain to grain to grain to grain Elasticity commercial grade Classification E35 E Fc (5th pct) (mean) SOUTHERN PINE2 Dense Set. Struct. Select Structural Non—Dense Set. Struct. No. 1 Dense No. 1 No. 1 Non—Dense No. 2 Dense No. 2 No. 2 Non—Dense No. 3/Stud SOUTHERN PINE2 Dense Struct. 86 Dense Struct. 72 Dense Struct. 65 SOUTHERN PlNEz Dense Struct. 86 Dense Struct. 7'2 Dense Struct. 65 SPRUCE—PlNE-FIR 2"—4" thick 12" wide 2"—4" thick 2" & wider 2—1/2"—4" thick 2—1/2" & wider Select Structural 2"-4" thick N0. ‘lINo. 2 No. 3 2" & wider Stud Construction 2"-4" thick Standard Utility 2'24" wide SPRUCE-PlNE-FIR (SOUTH) Select Structural No. 1 2"—4" thick No. 2 No. 3 2" & wider Stud Construction 2“-4" thick Standard Utility 2"-4" wide ...
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