Timbers – 5" and larger

10x16

Standard: DOC PS 20 / NDS SupplementSource: Nominal − ½" (green), calculated
xyb = 9.5d = 15.5
Cross-section, to scaledimensions in inches

Dimensions

Depthd
15.5in
Widthb
9.5in

Mass and area

Cross-sectional areaA
147.2in²
Outside perimeterP
50in

Strong axis x–x

Moment of inertiaIx
2,948in⁴
Elastic section modulusSx
380.4in³
Plastic section modulusZx
570.6in³
Radius of gyrationrx
4.474in

Weak axis y–y

Moment of inertiaIy
1,107in⁴
Elastic section modulusSy
233.1in³
Plastic section modulusZy
349.7in³
Radius of gyrationry
2.742in

Torsion and stability

Torsional constantJ
2,739in⁴

Equivalents in other standards