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

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About: New construction NDT device for in situ evaluation of wood using compression stress-deformation measurements parallel to grain Goto Sponge NotDistinct Permalink

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
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. 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. (en)
Title	New construction NDT device for in situ evaluation of wood using compression stress-deformation measurements parallel to grain New construction NDT device for in situ evaluation of wood using compression stress-deformation measurements parallel to grain (en)
skos:prefLabel	New construction NDT device for in situ evaluation of wood using compression stress-deformation measurements parallel to grain New construction NDT device for in situ evaluation of wood using compression stress-deformation measurements parallel to grain (en)
skos:notation	RIV/68378297:_____/13:00397487!RIV14-MK0-68378297
http://linked.open...avai/riv/aktivita	P
http://linked.open...avai/riv/aktivity	P(DF11P01OVV001)
http://linked.open...vai/riv/dodaniDat	2014
http://linked.open...aciTvurceVysledku	Kloiber, Michal Drdácký, Miloš
http://linked.open.../riv/druhVysledku	O - Ostatní výsledky nezařaditelné do žádného z výše uvedených druhů výsledku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	Ústav teoretické a aplikované mechaniky AV ČR, v. v. i.
http://linked.open...dnocenehoVysledku	91547
http://linked.open...ai/riv/idVysledku	RIV/68378297:_____/13:00397487
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	non-destructive testing; wood; in-situ testing; compression strength (en)
http://linked.open.../riv/klicoveSlovo	non-destructive testing wood in-situ testing compression strength
http://linked.open...ontrolniKodProRIV	[D3423AB5687F]
http://linked.open...in/vavai/riv/obor	JN
http://linked.open...ichTvurcuVysledku	2 (xsd:int)
http://linked.open...cetTvurcuVysledku	4 (xsd:int)
http://linked.open...vavai/riv/projekt	Diagnosis of deterioration and lifetime of objects of cultural heritage
http://linked.open...UplatneniVysledku	2013
http://linked.open...iv/tvurceVysledku	Drdácký, Miloš Kloiber, Michal Tippner, J. Sebera, V.

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