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  • Influence of test methodology on the characterization of the parallel-to-grain timber embedment strength and foundation modulus of dowels [Elektronski vir]
    D. Aquino, Caroline ...
    A reliable determination of the embedment strength and foundation modulus of timber elements iscritical for the design and safety assessment of joints in timber structures. However, the existence ... ofvarious test configurations for characterising the embedding properties of large diameter steelfasteners in timber elements poses challenges in directly comparing and utilising available test data.This paper aims to provide an insight into the influence of embedment property test methods,comparing experimental results from different test setups within the guidelines of the EN 383 andASTM D 5764-97a standards for European softwood species, Scots pine wood (Pinus sylvestris) andNorway spruce (Picea abies). In addition to the test guidelines, the thickness of the specimen and theapplication of the load was evaluated within the protocols. A comprehensive statistical analysis wasperformed to identify statistically significant differences between the groups evaluated. The results ofthe analysis revealed disagreement between the standards in the evaluation of the strength of theembedding, highlighting the potential bias inserted by the experimental setup and protocol.Furthermore, it was proven that the thickness of the specimens influences both the embeddingstrength and the foundation modulus of the wood species tested. Finally, no distinctions wereobserved between tensile and compressive loading within the guidelines of the EN 383 standard.
    Source: Wood material science & engineering. - ISSN 1748-0280 (Apr. 2024, str. 1-13)
    Type of material - e-article ; adult, serious
    Publish date - 2024
    Language - english
    COBISS.SI-ID - 191924739

    Link(s):

    https://www.tandfonline.com/doi/full/10.1080/17480272.2024.2328088
    DiRROS - Digital repository of Slovenian research organizations
    DOI

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