About: Evaluation of notch geometry effect on behaviour of fracture toughness testing specimen

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	The basic fracture properties of cement-based composite are ascertained on the basic of test evaluations of the specimens in suitable test configurations. Three-point bending specimens with a central starting notch are the most frequently used specimens for laboratory testing. Through models of elastic cracks the critical crack length and effective fracture toughness (or toughness) can be calculated. The influence of the geometry of the starting notch in a three-point bend specimen on the resulting values of critical applied force and fracture toughness is studied in this paper. To this end, a crack initiation at the notch tip is numerically simulated. It is shown that the values of fracture toughness obtained for specimens with larger widths of starting notch can be overestimated. The basic fracture properties of cement-based composite are ascertained on the basic of test evaluations of the specimens in suitable test configurations. Three-point bending specimens with a central starting notch are the most frequently used specimens for laboratory testing. Through models of elastic cracks the critical crack length and effective fracture toughness (or toughness) can be calculated. The influence of the geometry of the starting notch in a three-point bend specimen on the resulting values of critical applied force and fracture toughness is studied in this paper. To this end, a crack initiation at the notch tip is numerically simulated. It is shown that the values of fracture toughness obtained for specimens with larger widths of starting notch can be overestimated. (en) The basic fracture properties of cement-based composite are ascertained on the basic of test evaluations of the specimens in suitable test configurations. Three-point bending specimens with a central starting notch are the most frequently used specimens for laboratory testing. Through models of elastic cracks the critical crack length and effective fracture toughness (or toughness) can be calculated. The influence of the geometry of the starting notch in a three-point bend specimen on the resulting values of critical applied force and fracture toughness is studied in this paper. To this end, a crack initiation at the notch tip is numerically simulated. It is shown that the values of fracture toughness obtained for specimens with larger widths of starting notch can be overestimated. (cs)
Title	Evaluation of notch geometry effect on behaviour of fracture toughness testing specimen Evaluation of notch geometry effect on behaviour of fracture toughness testing specimen (en) Evaluation of notch geometry effect on behaviour of fracture toughness testing specimen (cs)
skos:prefLabel	Evaluation of notch geometry effect on behaviour of fracture toughness testing specimen Evaluation of notch geometry effect on behaviour of fracture toughness testing specimen (en) Evaluation of notch geometry effect on behaviour of fracture toughness testing specimen (cs)
skos:notation	RIV/00216305:26110/07:PU69248!RIV08-GA0-26110___
http://linked.open.../vavai/riv/strany	243-244
http://linked.open...avai/riv/aktivita	P
http://linked.open...avai/riv/aktivity	P(GA103/07/1276)
http://linked.open...vai/riv/dodaniDat	2008
http://linked.open...aciTvurceVysledku	Knésl, Zdeněk Seitl, Stanislav Klusák, Jan Keršner, Zbyněk
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	420763
http://linked.open...ai/riv/idVysledku	RIV/00216305:26110/07:PU69248
http://linked.open...riv/jazykVysledku	cze - čeština
http://linked.open.../riv/klicovaSlova	geometry effect, fracture toughness, cement-based, three-point bending, fracture toughness, numerically simulated (en)
http://linked.open.../riv/klicoveSlovo	three-point bending fracture toughness cement-based numerically simulated geometry effect
http://linked.open...ontrolniKodProRIV	[2A13D7BDB000]
http://linked.open...v/mistoKonaniAkce	Svratka
http://linked.open...i/riv/mistoVydani	Svratka, Česká republika
http://linked.open...i/riv/nazevZdroje	Engineering mechanics 2007
http://linked.open...in/vavai/riv/obor	JM
http://linked.open...ichTvurcuVysledku	4 (xsd:int)
http://linked.open...cetTvurcuVysledku	4 (xsd:int)
http://linked.open...vavai/riv/projekt	Complex modelling of fracture of advanced building materials
http://linked.open...UplatneniVysledku	2007
http://linked.open...iv/tvurceVysledku	Keršner, Zbyněk Knésl, Zdeněk Klusák, Jan Seitl, Stanislav
http://linked.open...vavai/riv/typAkce	CST - Celostátní
http://linked.open.../riv/zahajeniAkce	2007-05-14 (xsd:date)
number of pages	2 (xsd:int)
http://purl.org/ne...btex#hasPublisher	Neuveden
https://schema.org/isbn	978-80-87012-06-2
http://localhost/t...ganizacniJednotka	26110

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