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Wood Science and Technology

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21.12.2016 | Original

Experimental and numerical analysis of semi-destructive device for in situ assessment of wood properties in compression parallel to grain

verfasst von: Michal Kloiber, Jiří Kunecký, Miloš Drdácký, Jan Tippner, Václav Sebera

Erschienen in: Wood Science and Technology | Ausgabe 2/2017

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Abstract

A reconstruction of historical timber structures requires precise diagnostics of mechanical properties of particular structural members, which would subsequently underlie a reliable plan of the reconstruction. Mechanical properties of wood are determined most exactly using destructive techniques, but often they cannot be used in historical constructions. This calls for using nondestructive or semi-destructive techniques that are still reasonably exact, not too invasive and can be profitably used in situ. This work examines a new nondestructive diagnostic tool that enables to determine strength and stiffness parameters of wood parallel to the grain in situ. The function of the instrument was verified using standard compression tests parallel to the grain that correlated with the instrument well (r = 0.92). Complicated stress state in the drilled hole was examined by contact finite element analysis and revealed high contribution of longitudinal elastic moduli in force measurement (r = 0.96).

Vorheriger Artikel Evaluation of a modified Iosipescu shear test method for determining the shear properties of clear wood

Nächster Artikel An investigation of accelerated temperature-induced ageing of four wood species: colour and FTIR

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Titel: Experimental and numerical analysis of semi-destructive device for in situ assessment of wood properties in compression parallel to grain
verfasst von: Michal Kloiber
Jiří Kunecký
Miloš Drdácký
Jan Tippner
Václav Sebera
Publikationsdatum: 21.12.2016
Verlag: Springer Berlin Heidelberg
Erschienen in: Wood Science and Technology / Ausgabe 2/2017
Print ISSN: 0043-7719
Elektronische ISSN: 1432-5225
DOI: https://doi.org/10.1007/s00226-016-0881-6

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