Pennsylvania Code & Bulletin
COMMONWEALTH OF PENNSYLVANIA

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The Pennsylvania Code website reflects the Pennsylvania Code changes effective through 53 Pa.B. 8238 (December 30, 2023).

34 Pa. Code § 21.22. Compensation for large knots.

§ 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:

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 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.



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