§ 21.22. Compensation for large knots.
The method of calculating the depth of side rail to determine equivalent strength, assuming the thickness remains constant shall be as follows:
Where D1 = depth of side rail of equivalent strength.
D1 = minimum depth permitted.
Ke = size of knot adjacent to the edge of the wide face when larger
than 1/12 the depth and not greater than 1/6 the depth.
No part of the information on this site may be reproduced for profit or sold for profit.
This material has been drawn directly from the official Pennsylvania Code full text database. Due to the limitations of HTML or differences in display capabilities of different browsers, this version may differ slightly from the official printed version.
