About: Asymptotic behaviour of granular materials

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	The concept of the asymptotic behaviour of particulate materials is described, including its enhancement by considering asymptotic states in extension. A 3D discrete element model with elastic spherical particles and the granulometry of a real sand is set up. The numerical sample is stretched from diﬀerent initial states, and the inﬂuence of the strain rate direction on the ﬁnal state is studied within the stress ratio, void ratio and mean stress space. Asymptotic behaviour is clearly observed, although the grains remain intact (no grain crushing is considered). The extension asymptotic states are observed, and the notion of a normal extension line is introduced. The extension asymptotic states coincide with the peak states observed in the shear tests with constant stress path direction in dense samples. The concept of the asymptotic behaviour of particulate materials is described, including its enhancement by considering asymptotic states in extension. A 3D discrete element model with elastic spherical particles and the granulometry of a real sand is set up. The numerical sample is stretched from diﬀerent initial states, and the inﬂuence of the strain rate direction on the ﬁnal state is studied within the stress ratio, void ratio and mean stress space. Asymptotic behaviour is clearly observed, although the grains remain intact (no grain crushing is considered). The extension asymptotic states are observed, and the notion of a normal extension line is introduced. The extension asymptotic states coincide with the peak states observed in the shear tests with constant stress path direction in dense samples. (en)
Title	Asymptotic behaviour of granular materials Asymptotic behaviour of granular materials (en)
skos:prefLabel	Asymptotic behaviour of granular materials Asymptotic behaviour of granular materials (en)
skos:notation	RIV/00216208:11310/12:10132853!RIV13-GA0-11310___
http://linked.open...avai/riv/aktivita	P
http://linked.open...avai/riv/aktivity	P(GAP105/12/1705), P(TA01031840)
http://linked.open...iv/cisloPeriodika	6
http://linked.open...vai/riv/dodaniDat	2013
http://linked.open...aciTvurceVysledku	Mašín, David
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	Univerzita Karlova v Praze / Přírodovědecká fakulta
http://linked.open...dnocenehoVysledku	123965
http://linked.open...ai/riv/idVysledku	RIV/00216208:11310/12:10132853
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	sand; particle crushing; discrete element method; critical state; asymptotic behaviour (en)
http://linked.open.../riv/klicoveSlovo	asymptotic behaviour critical state particle crushing sand discrete element method
http://linked.open...odStatuVydavatele	DE - Spolková republika Německo
http://linked.open...ontrolniKodProRIV	[2E9A98D0A343]
http://linked.open...i/riv/nazevZdroje	Granular Matter
http://linked.open...in/vavai/riv/obor	JM
http://linked.open...ichTvurcuVysledku	1 (xsd:int)
http://linked.open...cetTvurcuVysledku	1 (xsd:int)
http://linked.open...vavai/riv/projekt	Development of advanced numerical methods for geomaterials Development and application of numerical methods for increasing safety of the tunnel construction and operation.
http://linked.open...UplatneniVysledku	2012
http://linked.open...v/svazekPeriodika	14
http://linked.open...iv/tvurceVysledku	Mašín, David
issn	1434-5021
number of pages	16 (xsd:int)
http://localhost/t...ganizacniJednotka	11310

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