About: Numerical modelling of lumpy clay landfill

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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
rdfs:seeAlso	http://dx.doi.org/10.1002/nag.990
Description	Two trial motorway embankments built on a landfill consisting of clayey lumps were monitored over the period of 3 and 5 years, respectively. The subsoil of the embankment was instrumented by hydrostatic levelling profiles, pore pressure transducers and depth reference points installed in boreholes. An advanced constitutive model for clays (hypoplastic model for clays with meta-stable structure) was used for numerical modelling of both case histories. Basic hypoplastic model for clays was calibrated using isotropic compression tests and triaxial compression tests on reconstituted clay. Three additional model parameters describing the effects of lumpy structure were calibrated using oedometer tests on specimens prepared from scaled-down lumpy material (material with smaller size of clay lumps). The performance of the model was evaluated by comparison with the results of the centrifuge model of self-weight consolidated landfill. Finally, the hypoplastic model was used for simulation of both trial embankments and the results were compared with in situ measurements. The degradation of the lumpy structure of the upper layer of the in situ landfill due to weathering was back analysed using monitoring data. Two trial motorway embankments built on a landfill consisting of clayey lumps were monitored over the period of 3 and 5 years, respectively. The subsoil of the embankment was instrumented by hydrostatic levelling profiles, pore pressure transducers and depth reference points installed in boreholes. An advanced constitutive model for clays (hypoplastic model for clays with meta-stable structure) was used for numerical modelling of both case histories. Basic hypoplastic model for clays was calibrated using isotropic compression tests and triaxial compression tests on reconstituted clay. Three additional model parameters describing the effects of lumpy structure were calibrated using oedometer tests on specimens prepared from scaled-down lumpy material (material with smaller size of clay lumps). The performance of the model was evaluated by comparison with the results of the centrifuge model of self-weight consolidated landfill. Finally, the hypoplastic model was used for simulation of both trial embankments and the results were compared with in situ measurements. The degradation of the lumpy structure of the upper layer of the in situ landfill due to weathering was back analysed using monitoring data. (en)
Title	Numerical modelling of lumpy clay landfill Numerical modelling of lumpy clay landfill (en)
skos:prefLabel	Numerical modelling of lumpy clay landfill Numerical modelling of lumpy clay landfill (en)
skos:notation	RIV/00216208:11310/12:10132220!RIV13-GA0-11310___
http://linked.open...avai/predkladatel	Přírodovědecká fakulta
http://linked.open...avai/riv/aktivita	P Z
http://linked.open...avai/riv/aktivity	P(GA103/07/0678), P(GA205/08/0732), Z(MSM0021620855)
http://linked.open...iv/cisloPeriodika	1
http://linked.open...vai/riv/dodaniDat	2013
http://linked.open...aciTvurceVysledku	Najser, Jan Mašín, David Boháč, 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	Univerzita Karlova v Praze / Přírodovědecká fakulta
http://linked.open...dnocenehoVysledku	155024
http://linked.open...ai/riv/idVysledku	RIV/00216208:11310/12:10132220
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	embankment; high compressibility; soil structure; double porosity; hypoplasticity; clay (en)
http://linked.open.../riv/klicoveSlovo	clay soil structure double porosity embankment high compressibility hypoplasticity
http://linked.open...odStatuVydavatele	US - Spojené státy americké
http://linked.open...ontrolniKodProRIV	[53518809FEB1]
http://linked.open...i/riv/nazevZdroje	International Journal for Numerical and Analytical Methods in Geomechanics
http://linked.open...in/vavai/riv/obor	JM
http://linked.open...ichTvurcuVysledku	3 (xsd:int)
http://linked.open...cetTvurcuVysledku	3 (xsd:int)
http://linked.open...vavai/riv/projekt	The development and evaluation of numerical methods for prediction of the behaviour of tunnels in fine-grained soils Constitutive parameters for unsaturated clayfills
http://linked.open...UplatneniVysledku	2012
http://linked.open...v/svazekPeriodika	36
http://linked.open...iv/tvurceVysledku	Mašín, David Najser, Jan Boháč, Jan
http://linked.open...ain/vavai/riv/wos	000298476400002
http://linked.open...n/vavai/riv/zamer	Material flow mechanisms in the upper spheres of the Earth
issn	0363-9061
number of pages	19 (xsd:int)
http://bibframe.org/vocab/doi	10.1002/nag.990
http://localhost/t...ganizacniJednotka	11310
is http://linked.open...avai/riv/vysledek of	Numerical modelling of lumpy clay landfill

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