Timbers – 5" and larger

10x14

Standard: DOC PS 20 / NDS SupplementSource: Nominal − ½" (green), calculated
xyb = 9.5d = 13.5
Cross-section, to scaledimensions in inches

Dimensions

Depthd
13.5in
Widthb
9.5in

Mass and area

Cross-sectional areaA
128.3in²
Outside perimeterP
46in

Strong axis x–x

Moment of inertiaIx
1,948in⁴
Elastic section modulusSx
288.6in³
Plastic section modulusZx
432.8in³
Radius of gyrationrx
3.897in

Weak axis y–y

Moment of inertiaIy
964.5in⁴
Elastic section modulusSy
203.1in³
Plastic section modulusZy
304.6in³
Radius of gyrationry
2.742in

Torsion and stability

Torsional constantJ
2,183in⁴

Equivalents in other standards