About: Use of ultrasound for a historical objects investigation

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An Entity of Type : http://linked.opendata.cz/ontology/domain/vavai/Vysledek, within Data Space : linked.opendata.cz associated with source document(s)

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	Not only performance of historical object itself, but also performance of building materials is investigated within construction and technical research. It is appropriate to use non-destructive testing methods to determine mechanical properties of material, because they leave almost no remains or damages after testing as the other methods do. A measuring of ultrasound velocity belongs among the most known methods and has been using for a long time. It is possible to detect hidden defects, cracks or heterogeneities and to determine an important mechanical property - dynamic modulus of elasticity, by this method. In the paper there is demonstrated use of the method for various materials in-situ and in the lab, also. In-situ testing was used for investigation of timber structure members of the Masaryk Railway Station in Prague during its reconstruction in 2011. A device used for tests was Sylvatest, a machine with special conical transducers designed for wood. The original aim of laboratory tests was a comparison of properties of natural stones in two different conditions (dry and fully saturated). Specimens were taken from the Charles Bridge in Prague and a German device Geotron UKS12 was used for testing. Not only performance of historical object itself, but also performance of building materials is investigated within construction and technical research. It is appropriate to use non-destructive testing methods to determine mechanical properties of material, because they leave almost no remains or damages after testing as the other methods do. A measuring of ultrasound velocity belongs among the most known methods and has been using for a long time. It is possible to detect hidden defects, cracks or heterogeneities and to determine an important mechanical property - dynamic modulus of elasticity, by this method. In the paper there is demonstrated use of the method for various materials in-situ and in the lab, also. In-situ testing was used for investigation of timber structure members of the Masaryk Railway Station in Prague during its reconstruction in 2011. A device used for tests was Sylvatest, a machine with special conical transducers designed for wood. The original aim of laboratory tests was a comparison of properties of natural stones in two different conditions (dry and fully saturated). Specimens were taken from the Charles Bridge in Prague and a German device Geotron UKS12 was used for testing. (en)
Title	Use of ultrasound for a historical objects investigation Use of ultrasound for a historical objects investigation (en)
skos:prefLabel	Use of ultrasound for a historical objects investigation Use of ultrasound for a historical objects investigation (en)
skos:notation	RIV/68407700:21110/12:00193541!RIV13-MSM-21110___
http://linked.open...avai/riv/aktivita	S
http://linked.open...avai/riv/aktivity	S
http://linked.open...vai/riv/dodaniDat	2013
http://linked.open...aciTvurceVysledku	Hasníková, Hana
http://linked.open.../riv/druhVysledku	D - Článek ve sborníku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	České vysoké učení technické v Praze / Fakulta stavební
http://linked.open...dnocenehoVysledku	176445
http://linked.open...ai/riv/idVysledku	RIV/68407700:21110/12:00193541
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	non-destructive testing; ultrasound velocity; modulus of elasticity; timber; natural stone (en)
http://linked.open.../riv/klicoveSlovo	modulus of elasticity non-destructive testing timber natural stone ultrasound velocity
http://linked.open...ontrolniKodProRIV	[74C2745287C3]
http://linked.open...v/mistoKonaniAkce	Košice
http://linked.open...i/riv/mistoVydani	Košice
http://linked.open...i/riv/nazevZdroje	Young Scientist 2012
http://linked.open...in/vavai/riv/obor	JN
http://linked.open...ichTvurcuVysledku	1 (xsd:int)
http://linked.open...cetTvurcuVysledku	1 (xsd:int)
http://linked.open...UplatneniVysledku	2012
http://linked.open...iv/tvurceVysledku	Hasníková, Hana
http://linked.open...vavai/riv/typAkce	WRD - Světová
http://linked.open.../riv/zahajeniAkce	2012-05-22 (xsd:date)
number of pages	7 (xsd:int)
http://purl.org/ne...btex#hasPublisher	Technická univerzita v Košiciach. Stavebná fakulta
https://schema.org/isbn	978-80-553-0904-0
http://localhost/t...ganizacniJednotka	21110

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