Effect of moisture on bending and breaking resistance of commercial oriented strandboards

Document Type

Article

Publication Date

12-1-1998

Abstract

This is a short addendum to an earlier paper (Wu and Suchsland 1997) on bending resistance (E-I) and breaking resistance (R-S) of commercial oriented Strandboard (OSB). It is shown that for a moisture content (MC) change from 4 to 24%, the combined effect of increased MC and thickness swelling led to an average E·I loss of 37% in the parallel direction and 51% in the perpendicular direction; and to an average R·S loss of 31% in the parallel direction and 43% in the perpendicular direction. Predictive equations expressing E·I and R·S as functions of moisture content were established for various products.

Publication Source (Journal or Book title)

Wood and Fiber Science

First Page

205

Last Page

209

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