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    Author(s): D. S. Gromala; R. C. Moody; M. M. Sprinkel
    Date: 1985
    Source: (Research note FPL ; 0251):7 p. : ill ; 28 cm.
    Publication Series: Research Note (RN)
    Station: Forest Products Laboratory
    PDF: Download Publication  (242 KB)


    This paper summarizes the results of load tests on an experimental highway bridge erected and put into service on the George Washington National Forest in Virginia in 1977. The bridge, made entirely of Press-Lam, a laminated veneer lumber (LVL) product, was load tested 1 month, 1 year, and 5 years after erection. The bridge continues to perform quite well and, although a slight increase in bridge flexibility was noted during this time period, the deflections were well below those calculated in the original design. Thus, laminated veneer structural members can be successfully used in exterior structures.

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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.


    Gromala, D. S.; Moody, R. C.; Sprinkel, M. M. 1985. Performance of a Press-Lam bridge : a 5-year load-testing and monitoring program. (Research note FPL ; 0251):7 p. : ill ; 28 cm.


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    Performance, Bridges., Loads, Testing, Laminated wood, Veneers, Lumber, George Washington National Forest

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