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Mechanical properties of wood examined by semi-destructive devices
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SYSNO ASEP 0394030 Document Type J - Journal Article R&D Document Type Journal Article Subsidiary J Článek ve WOS Title Mechanical properties of wood examined by semi-destructive devices Author(s) Kloiber, Michal (UTAM-F) RID, ORCID, SAI
Tippner, J. (CZ)
Hrivnák, J. (SK)Number of authors 3 Source Title Materials and Structures. - : Springer - ISSN 1359-5997
Roč. 47, č. 1/2 (2014), s. 199-212Number of pages 14 s. Publication form Print - P Language eng - English Country NL - Netherlands Keywords pin ; resistance ; mean force ; density Subject RIV JN - Civil Engineering R&D Projects DF11P01OVV001 GA MK - Ministry of Culture (MK) UT WOS 000330828000015 EID SCOPUS 84893737025 DOI 10.1617/s11527-013-0055-z Annotation This study presents a comparative evaluation of semi-destructive and destructive testing of wood. Semi-destructive methods are represented by screw-withdrawal test, microdrilling, pin penetration and a new construction of a diagnostic device for in-situ evaluation of timber based on the principle of measuring the mechanical resistance to pin being pushed gradually into wood. In order to ascertain the differences between the methods, measuring of three basic softwood species was conducted. One of the aims was to capture the variability of properties brought about by the distribution of properties along the diameter and along the trunk (section) length; therefore, an entire trunk of spruce, fir and pine were used for testing. The accuracy of the prediction of mechanical properties provided by the semi-destructive devices was verified using correlations with mechanical properties established by standard pressure tests in compliance with European norms. Workplace Institute of Theoretical and Applied Mechanics Contact Kulawiecová Kateřina, kulawiecova@itam.cas.cz, Tel.: 225 443 285 Year of Publishing 2014
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