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New construction NDT device for in situ evaluation of wood using compression stress-deformation measurements parallel to grain

The result's identifiers

  • Result code in IS VaVaI

    <a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F68378297%3A_____%2F13%3A00397487" target="_blank" >RIV/68378297:_____/13:00397487 - isvavai.cz</a>

  • Result on the web

  • DOI - Digital Object Identifier

Alternative languages

  • Result language

    angličtina

  • Original language name

    New construction NDT device for in situ evaluation of wood using compression stress-deformation measurements parallel to grain

  • Original language description

    Our work presents a new type of non-destructive diagnostic tool for in situ evaluation of wood inbuilt in constructions. This new approach enables to determine strength and stiffness parameters of wood parallel to grain based on measurement of force required for pushing jaws inside the predrilled hole apart. Such technique has not been used yet, so it represents an innovative approach. For a verification of the proposed technique, the standard compression tests (following EU standards) parallel to the grain were carried out on a universal testing machine. Comparative results show a good agreement between the newly proposed tool and standard tests on spruce (Picea abies L.). To understand and explain mechanical phenomena the proposed tool is based on, the finite element analyses were performed in advance. FE model assumed orthotropic and elastic material model.

  • Czech name

  • Czech description

Classification

  • Type

    O - Miscellaneous

  • CEP classification

    JN - Civil engineering

  • OECD FORD branch

Result continuities

  • Project

    <a href="/en/project/DF11P01OVV001" target="_blank" >DF11P01OVV001: Diagnosis of deterioration and lifetime of objects of cultural heritage</a><br>

  • Continuities

    P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)

Others

  • Publication year

    2013

  • Confidentiality

    S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů