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    Author(s): Ronald W. Wolfe; Russell C. Moody
    Date: 1978
    Source: Gen. Tech. Rep. FPL-307. Madison, WI : U.S. Department of Agriculture, Forest Service, Forest Products Laboratory. 12 pages.
    Publication Series: Research Paper (RP)
    Station: Forest Products Laboratory
    PDF: View PDF  (445 KB)

    Description

    The effects of water soaking on the bending strength and stiffness of laminated timber were determined by deriving wet-dry ratios for these properties. Values for these ratios, when compared to currently recommended wet use factors, confirm the value now used for modulus of rupture. For modulus of elasticity, the reduction due to water soaking was found to be less than that now recommended. Results will be useful to organizations preparing design standards for heavy timbers subject to potentially high moisture contents.

    Publication Notes

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    • This article was written and prepared by U.S. Government employees on official time, and is therefore in the public domain.

    Citation

    Wolfe, Ronald W.; Moody, Russell C. 1978. Bending strength of water-soaked glued laminated beams. Gen. Tech. Rep. FPL-307. Madison, WI : U.S. Department of Agriculture, Forest Service, Forest Products Laboratory. 12 pages.

    Keywords

    Water, soaking, bending strength, stiffness, modulus of elasticity, beams, moisture content, laminated wood, specifications, adhesives, wet-dry ratios, wet-use factor, modulus of rupture, design criteria, glulam, water proof adhesives, preservative treatment, Douglas-fir, southern pine, laminated wood

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https://www.fs.usda.gov/treesearch/pubs/24760