About: A Magnetic Method for Testing of Homogeneity of Fibre Concrete

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	Homogeneity of fibre concrete structures, characterized, from the macroscopic point of view, by (nearly) constant volume fraction of randomly oriented fibre particles, determines their mechanical, thermal, etc. properties, consequently their long-time behaviour, reliability and range of user applications. Destructive validation of homogeneity is available under laboratory conditions, but frequently impossible in situ. A reasonable alternative to the radiographic control method can be based on stationary measurements of magnetic field strength, thanks to the composite structure with ferromagnetic particles, incorporated in the concrete matrix. The permanent magnet generates a (nearly) stationary magnetic field, whose distribution is described by the Laplace equation, supplied by appropriate boundary conditions, containing the effective relative magnetic permeability as just one material parameter; the crucial problem is then to estimate some formally homogenized (with a priori unknown permeability of f Homogeneity of fibre concrete structures, characterized, from the macroscopic point of view, by (nearly) constant volume fraction of randomly oriented fibre particles, determines their mechanical, thermal, etc. properties, consequently their long-time behaviour, reliability and range of user applications. Destructive validation of homogeneity is available under laboratory conditions, but frequently impossible in situ. A reasonable alternative to the radiographic control method can be based on stationary measurements of magnetic field strength, thanks to the composite structure with ferromagnetic particles, incorporated in the concrete matrix. The permanent magnet generates a (nearly) stationary magnetic field, whose distribution is described by the Laplace equation, supplied by appropriate boundary conditions, containing the effective relative magnetic permeability as just one material parameter; the crucial problem is then to estimate some formally homogenized (with a priori unknown permeability of f (en)
Title	A Magnetic Method for Testing of Homogeneity of Fibre Concrete A Magnetic Method for Testing of Homogeneity of Fibre Concrete (en)
skos:prefLabel	A Magnetic Method for Testing of Homogeneity of Fibre Concrete A Magnetic Method for Testing of Homogeneity of Fibre Concrete (en)
skos:notation	RIV/00216305:26110/11:PU96235!RIV12-GA0-26110___
http://linked.open...avai/riv/aktivita	P
http://linked.open...avai/riv/aktivity	P(GA103/09/1073)
http://linked.open...vai/riv/dodaniDat	2012
http://linked.open...aciTvurceVysledku	Anton, Ondřej Hobst, Leonard Vala, Jiří Horák, Michal
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	Vysoké učení technické v Brně / Fakulta stavební
http://linked.open...dnocenehoVysledku	183868
http://linked.open...ai/riv/idVysledku	RIV/00216305:26110/11:PU96235
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	Fibre concrete, non-destructive testing, Laplace equation for magnetic fields, homogenization techniques, least square method, MATLAB-supported computations. (en)
http://linked.open.../riv/klicoveSlovo	non-destructive testing Fibre concrete Laplace equation for magnetic fields MATLAB-supported computations. homogenization techniques least square method
http://linked.open...ontrolniKodProRIV	[3CCDFC2EA1D0]
http://linked.open...v/mistoKonaniAkce	brno
http://linked.open...i/riv/mistoVydani	Brno
http://linked.open...i/riv/nazevZdroje	9th International Conference NDT 2011 Nedestruktivní testování v technických oborech
http://linked.open...in/vavai/riv/obor	JN
http://linked.open...ichTvurcuVysledku	4 (xsd:int)
http://linked.open...cetTvurcuVysledku	4 (xsd:int)
http://linked.open...vavai/riv/projekt	Developement of Method for Assessment of Hardened Fiber Concrete Homogenity
http://linked.open...UplatneniVysledku	2011
http://linked.open...iv/tvurceVysledku	Anton, Ondřej Hobst, Leonard Horák, Michal Vala, Jiří
http://linked.open...vavai/riv/typAkce	EUR - Evropská
http://linked.open.../riv/zahajeniAkce	2011-12-07 (xsd:date)
number of pages	10 (xsd:int)
http://purl.org/ne...btex#hasPublisher	Neuveden
https://schema.org/isbn	978-80-7204-774-1
http://localhost/t...ganizacniJednotka	26110

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