About: Wedge-Splitting Test – Determination of Minimal Starting Notch Length for Various Cement Based Composites

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	The paper focuses on the geometrical proportions of cube-shaped quasi-brittle specimens subjected to a wedge-splitting test (WST). The minimal/optimal initial crack/notch length for successful performance of WST on these specimens is studied numerically (ANSYS). This second part of the paper treats the problem asymptotically, i.e. from the point of view of a very fine grained silicate composite material with negligible characteristic length which describes the level of the material brittleness (i.e. brittle). The problem of competition of the crack initiation point between the notch tip and the groove corner in the load-imposing area of the specimen is solved using theories of both linear elastic fracture mechanics and fracture mechanics of generalized singular stress concentrators. The numerically obtained crack/notch length is compared to results of numerical simulations using cohesive crack model reported in the first part of the paper. The minimal notch length is recommended. The paper focuses on the geometrical proportions of cube-shaped quasi-brittle specimens subjected to a wedge-splitting test (WST). The minimal/optimal initial crack/notch length for successful performance of WST on these specimens is studied numerically (ANSYS). This second part of the paper treats the problem asymptotically, i.e. from the point of view of a very fine grained silicate composite material with negligible characteristic length which describes the level of the material brittleness (i.e. brittle). The problem of competition of the crack initiation point between the notch tip and the groove corner in the load-imposing area of the specimen is solved using theories of both linear elastic fracture mechanics and fracture mechanics of generalized singular stress concentrators. The numerically obtained crack/notch length is compared to results of numerical simulations using cohesive crack model reported in the first part of the paper. The minimal notch length is recommended. (en)
Title	Wedge-Splitting Test – Determination of Minimal Starting Notch Length for Various Cement Based Composites Wedge-Splitting Test – Determination of Minimal Starting Notch Length for Various Cement Based Composites (en)
skos:prefLabel	Wedge-Splitting Test – Determination of Minimal Starting Notch Length for Various Cement Based Composites Wedge-Splitting Test – Determination of Minimal Starting Notch Length for Various Cement Based Composites (en)
skos:notation	RIV/68081723:_____/11:00354597!RIV11-GA0-68081723
http://linked.open...avai/predkladatel	Ústav fyziky materiálů AVČR, v.v.i.
http://linked.open...avai/riv/aktivita	P Z
http://linked.open...avai/riv/aktivity	P(GA103/08/0963), P(KJB200410901), Z(AV0Z20410507)
http://linked.open...iv/cisloPeriodika	-
http://linked.open...vai/riv/dodaniDat	2011
http://linked.open...aciTvurceVysledku	Seitl, Stanislav Klusák, Jan
http://linked.open.../riv/druhVysledku	J - Článek v odborném periodiku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	Ústav fyziky materiálů AV ČR, v. v. i.
http://linked.open...dnocenehoVysledku	241635
http://linked.open...ai/riv/idVysledku	RIV/68081723:_____/11:00354597
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	wedge-splitting test, cementitious composites, quasi-brittle fracture, brittle fracture (en)
http://linked.open.../riv/klicoveSlovo	cementitious composites wedge-splitting test brittle fracture quasi-brittle fracture
http://linked.open...odStatuVydavatele	CH - Švýcarská konfederace
http://linked.open...ontrolniKodProRIV	[ADD56D08A47B]
http://linked.open...i/riv/nazevZdroje	Key Engineering Materials
http://linked.open...in/vavai/riv/obor	JL
http://linked.open...ichTvurcuVysledku	2 (xsd:int)
http://linked.open...cetTvurcuVysledku	4 (xsd:int)
http://linked.open...vavai/riv/projekt	Fracture of silicate based composites studied on core drilled specimens – numerical-modeling background for advanced fracture parameters determination Basic fatigue characteristic and fracture of advanced building materials
http://linked.open...UplatneniVysledku	2011
http://linked.open...v/svazekPeriodika	452-453
http://linked.open...iv/tvurceVysledku	Klusák, Jan Seitl, Stanislav Veselý, V. Řoutil, L.
http://linked.open...n/vavai/riv/zamer	Physical properties of advanced materials in relation to their microstructure and processing
issn	1013-9826
number of pages	4 (xsd:int)
is http://linked.open...avai/riv/vysledek of	Wedge-Splitting Test – Determination of Minimal Starting Notch Length for Various Cement Based Composites Wedge-Splitting Test – Determination of Minimal Starting Notch Length for Various Cement Based Composites

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