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Civil Engineering Design Knowledge
Structural Lumber Engineering Properties 5" to 5" thick and wider |
| Size |
Grade |
Extreme Fiber Stress in Bending
"Fb"1
Single Member Uses |
Tension
Parllel
to Grain
"Ft" |
Horizontal
Shear
"Fv" |
Compression
Perpendicular
to Grain
|
Compression
Parallel
to Grain
"Fc" |
Modulus
of
Elasticity
"E" |
5" x 5"
and larger |
Dense Select Structural
Select Structural
No. 1 Dense
No. 1
No. 2 Dense
No.
2
|
1750
1500
1550
1350
975
850
|
1200
1000
1050
900
650
550
|
110
110
110
110
100
100
|
440
375
440
375
440
375
|
1100
950
975
825
625
525
|
1,600,000
1,500,000
1,600,000
1,500,000
1,300,000
1,200,000
|
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