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    Author(s): James W. Evans; Jane K. Evans; David W. Green
    Date: 1990
    Source: Gen. Tech. Rep, FPL-GTR-63. Madison, WI: U.S. Department of Agriculture, Forest Service; Forest Products Laboratory. 18 p.
    Publication Series: General Technical Report (GTR)
    Station: Forest Products Laboratory
    PDF: View PDF  (331 KB)

    Description

    This paper presents computer programs for adjusting the mechanical properties of 2-in. dimension lumber for changes in moisture content. Mechanical properties adjusted are modulus of rupture, ultimate tensile stress parallel to the grain, ultimate compressive stress parallel to the gain, and flexural modulus of elasticity. The models are valid for moisture contents from 8 to. 23 percent (assumed green value). Although test results can be adjusted for moisture content, such adjustments decrease in accuracy with increasing change in moisture content. For this reason, the specimens should be conditioned as closely as possible to the target moisture content prior to test.

    Publication Notes

    • We recommend that you also print this page and attach it to the printout of the article, to retain the full citation information.
    • This article was written and prepared by U.S. Government employees on official time, and is therefore in the public domain.

    Citation

    Evans, James W.; Evans, Jane K.; Green, David W. 1990. Computer programs for adjusting the mechanical properties of 2-inch dimension lumber for changes in moisture content. Gen. Tech. Rep, FPL-GTR-63. Madison, WI: U.S. Department of Agriculture, Forest Service; Forest Products Laboratory. 18 p.

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    Keywords

    Computer program, moisture content, mechanical properties, lumber

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