Page 224 - Civil Engineering Formulas

Board feet bh 2 per linear foot of piece 6 2 3 3.56 1 8.19 1 1 3 15.23

Properties of Sections for Standard Lumber Sizes [Dressed (S4S) sizes, moment of inertia, and section modulus are given with respect to xx axis, with dimensions b and h, as shown on sketch] Section Moment of modulus inertia bh 2 S I 12 6.45 22

TABLE 6.1 Area of section bh 2 A h 5.89 8.93 12.19

Standard dressed size S4S 3 5 8 5 1 2 7 1 2 National Lumber Manufacturers Association.
X b 1 5 8 1 5 8 1 5 8

b
Nominal size h 4 6 8
h/2 b 2 2 2 Source:
X
h

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