Structural Characteristics of Weathered Plywood

by Michael O. Hunt, Assoc.Prof. of Wood Science; Dept. of Forestry and Natural Resources, Purdue Univ., West Lafayette, Ind.,
DeForest A. Matteson, Jr., (M.ASCE), Engr.; Product Research Dept., American Plywood Assoc., Tacoma, Wash.,

Serial Information: Journal of the Structural Division, 1976, Vol. 102, Issue 4, Pg. 759-768

Document Type: Journal Paper

Errata: (See full record)

Abstract: Plywood exposed for more than 21 yr to continuous weathering and use as the roof decking of portable hog houses was found to have strength properties comparable to those expected in new plywood. Tests of 10 panels in flexure, rolling shear, and shear-through-the-thickness, conducted according to ASTM standards, showed the weathered plywood to have structural properties sufficient to justify use of the currently published design stresses. Comparison of bending properties of specimens with weathered face ply intact with specimens in which the weathered face ply had been removed suggested no significant degradation due to weathering.

Subject Headings: Weathering | Shear stress | Shear tests | Roofs | Decks | Residential buildings | Panels (structural) | Standards and codes |

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