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  1. Species Identification and Design Value Estimation of Wooden Members in Covered Bridges

    Covered timber bridges are historic structures with unique aesthetic value. To preserve this value and maintain bridges in service, robust evaluation of their performance and safety is necessary. The strength of the timber found in covered bridges can vary considerably, not only because of age and condition, but also because of species and grade. For the practicing...

    Author(s):
    Alex C. Wiedenhoeft; David E. Kretschmann
    Year:
    2014
    Keywords:
    field grading, species identification, covered bridges, inspection, wood anatomy, condition assessment, design value estimation
    Source:
    USDA Forest Service, Forest Products Laboratory, General Technical Report, FPL-GTR-228. 94 p.
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https://www.fs.usda.gov/treesearch/search?keywords=%22Timber%20bridges%22&f%5B0%5D=author_facet%3A%22Araman%2C%20Philip%20A.%22&f%5B1%5D=author_facet%3A%22Kretschmann%2C%20David%22&f%5B2%5D=author_facet%3A%22Nelson%2C%20William%22&f%5B3%5D=author_facet%3A%22Lebow%2C%20Stan%22&f%5B4%5D=year%3A%222014%22&f%5B5%5D=author_facet%3A%22Wiedenhoeft%2C%20Alex%22