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    Author(s): Cheng Guan; Houjiang Zhang; Lujing Zhou; Xiping Wang
    Date: 2015
    Source: Construction and Building Materials
    Publication Series: Scientific Journal (JRNL)
    Station: Forest Products Laboratory
    PDF: Download Publication  (873.0 KB)


    A vibration testing method based on free vibration theory in a ‘‘free–free” support condition was investigated for evaluating the modulus of elasticity (MOE) of full-size wood composite panels (WCPs). Vibration experiments were conducted on three types of WCPs (medium density fibreboard, particleboard, and plywood) to determine the dynamic MOE of the panels. Static bending test was performed on small specimens cut from the panels to determine the static MOE. A strong linear relationship was found between dynamic MOE of full size panels and static MOE of small specimens. Dynamic MOE of full-size WCPs was found 6.2% higher than the corresponding static MOE. This study demonstrated that free vibration method has a good potential to be used in WCP manufacturing facilities as a quality control procedure.

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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.


    Guan, Cheng; Zhang, Houjiang; Zhou, Lujing; Wang, Xiping. 2015. Dynamic determination of modulus of elasticity of full-size wood composite panels using a vibration method. Construction and Building Materials. 100: 201-206.


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    Full-size wood composite panel, Modulus of elasticity, Free–free support free vibration, Dynamic determination

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