About: Size effects in concrete specimens under uniaxial tension: Computational modeling

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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	This paper presents a study of numerical modeling of sources of size effects in concrete structures. The major motivation is to identify and study interplay of several scaling length stemming from the material, boundary conditions and geometry. We compare our results with the well published results of direct tensile tests of dog-bone specimen with rotating boundary conditions. The specimens are modeled using microplane material and fracture-plastic material law to show that a portion of the dependence of nominal strength on structural size can be explained deterministically. We model individual sources of size effect. Namely, we model local material strength using an autocorrelated random field to identify a statistical part of size effect. Another size effect sources could be explained either by the presence of a weak surface layer of constant thickness (caused e.g. by drying, surface damage, or other irregularities) and three dimensional out-of-plane specimen flexure. The latter effect is examined o This paper presents a study of numerical modeling of sources of size effects in concrete structures. The major motivation is to identify and study interplay of several scaling length stemming from the material, boundary conditions and geometry. We compare our results with the well published results of direct tensile tests of dog-bone specimen with rotating boundary conditions. The specimens are modeled using microplane material and fracture-plastic material law to show that a portion of the dependence of nominal strength on structural size can be explained deterministically. We model individual sources of size effect. Namely, we model local material strength using an autocorrelated random field to identify a statistical part of size effect. Another size effect sources could be explained either by the presence of a weak surface layer of constant thickness (caused e.g. by drying, surface damage, or other irregularities) and three dimensional out-of-plane specimen flexure. The latter effect is examined o (en)
Title	Size effects in concrete specimens under uniaxial tension: Computational modeling Size effects in concrete specimens under uniaxial tension: Computational modeling (en)
skos:prefLabel	Size effects in concrete specimens under uniaxial tension: Computational modeling Size effects in concrete specimens under uniaxial tension: Computational modeling (en)
skos:notation	RIV/00216305:26110/10:PU90462!RIV11-GA0-26110___
http://linked.open...avai/riv/aktivita	P
http://linked.open...avai/riv/aktivity	P(GD103/09/H085), P(KJB201720902)
http://linked.open...vai/riv/dodaniDat	2011
http://linked.open...aciTvurceVysledku	Sadílek, Václav Vořechovský, Miroslav
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	287632
http://linked.open...ai/riv/idVysledku	RIV/00216305:26110/10:PU90462
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	Size effect on strength, dog-bone specimens, random field, stochastic analysis, ATENA software (en)
http://linked.open.../riv/klicoveSlovo	stochastic analysis random field ATENA software Size effect on strength dog-bone specimens
http://linked.open...ontrolniKodProRIV	[51E40544F894]
http://linked.open...v/mistoKonaniAkce	Kodaň
http://linked.open...i/riv/mistoVydani	Kodaň, Dánsko
http://linked.open...i/riv/nazevZdroje	8th fib International PhD Symposium in Civil Engineering
http://linked.open...in/vavai/riv/obor	JM
http://linked.open...ichTvurcuVysledku	2 (xsd:int)
http://linked.open...cetTvurcuVysledku	2 (xsd:int)
http://linked.open...vavai/riv/projekt	Development of numerical methods for analyses of stochastic computational mechanics problems Modern composite structures
http://linked.open...UplatneniVysledku	2010
http://linked.open...iv/tvurceVysledku	Sadílek, Václav Vořechovský, Miroslav
http://linked.open...vavai/riv/typAkce	WRD - Světová
http://linked.open.../riv/zahajeniAkce	2010-06-20 (xsd:date)
number of pages	5 (xsd:int)
http://purl.org/ne...btex#hasPublisher	DTU Byg
https://schema.org/isbn	978-87-7877-301-2
http://localhost/t...ganizacniJednotka	26110

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