About: Mechanisms controlling the behaviour of double-porosity clay fills; in situ abd centrifuge study

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About: Mechanisms controlling the behaviour of double-porosity clay fills; in situ abd centrifuge study Goto Sponge NotDistinct Permalink

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	Two instrumented embankments built on a double-porosity landfill of clayey lumps were monitored in situ and modelled in a centrifuge. The field measurements showed high compressibility of the landfill. Introductory modelling in a mini-centrifuge and oedometer testing demonstrated irreversible deformation at low stress ranges, and reversible deformation (swelling) at higher stresses, similarly to the behaviour of reconstituted material. Dry filling followed by saturation was recommended with respect to further development of the landfills in future. The geotechnical centrifuge models confirmed that permeability was controlled by the complex structure of the clayfills. There were significant initial settlements on loading due to compression of open macro voids. The double porosity structure in the fresh fill allowed excess pore pressures to dissipate quickly. Thereafter, dissipation was controlled by the permeability of the intragranular pores in the clay, once the intergranular pores had closed. Two instrumented embankments built on a double-porosity landfill of clayey lumps were monitored in situ and modelled in a centrifuge. The field measurements showed high compressibility of the landfill. Introductory modelling in a mini-centrifuge and oedometer testing demonstrated irreversible deformation at low stress ranges, and reversible deformation (swelling) at higher stresses, similarly to the behaviour of reconstituted material. Dry filling followed by saturation was recommended with respect to further development of the landfills in future. The geotechnical centrifuge models confirmed that permeability was controlled by the complex structure of the clayfills. There were significant initial settlements on loading due to compression of open macro voids. The double porosity structure in the fresh fill allowed excess pore pressures to dissipate quickly. Thereafter, dissipation was controlled by the permeability of the intragranular pores in the clay, once the intergranular pores had closed. (en)
Title	Mechanisms controlling the behaviour of double-porosity clay fills; in situ abd centrifuge study Mechanisms controlling the behaviour of double-porosity clay fills; in situ abd centrifuge study (en)
skos:prefLabel	Mechanisms controlling the behaviour of double-porosity clay fills; in situ abd centrifuge study Mechanisms controlling the behaviour of double-porosity clay fills; in situ abd centrifuge study (en)
skos:notation	RIV/00216208:11310/10:10082298!RIV11-GA0-11310___
http://linked.open...avai/riv/aktivita	P S Z
http://linked.open...avai/riv/aktivity	P(GA103/07/0678), S, Z(MSM0021620855)
http://linked.open...iv/cisloPeriodika	2
http://linked.open...vai/riv/dodaniDat	2011
http://linked.open...aciTvurceVysledku	Najser, Jan 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	270176
http://linked.open...ai/riv/idVysledku	RIV/00216208:11310/10:10082298
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	centrifuge; fills; double-porosity clay (en)
http://linked.open.../riv/klicoveSlovo	centrifuge fills double-porosity clay
http://linked.open...odStatuVydavatele	GB - Spojené království Velké Británie a Severního Irska
http://linked.open...ontrolniKodProRIV	[1513DDE1DCBB]
http://linked.open...i/riv/nazevZdroje	Quarterly Journal of Engineering Geology and Hydrogeology
http://linked.open...in/vavai/riv/obor	JM
http://linked.open...ichTvurcuVysledku	2 (xsd:int)
http://linked.open...cetTvurcuVysledku	5 (xsd:int)
http://linked.open...vavai/riv/projekt	Constitutive parameters for unsaturated clayfills
http://linked.open...UplatneniVysledku	2010
http://linked.open...v/svazekPeriodika	43
http://linked.open...iv/tvurceVysledku	Najser, Jan Boháč, Jan Laue, Jan Pooley, Emma Springman, Sarah
http://linked.open...ain/vavai/riv/wos	000278335800007
http://linked.open...n/vavai/riv/zamer	Material flow mechanisms in the upper spheres of the Earth
issn	1470-9236
number of pages	14 (xsd:int)
http://localhost/t...ganizacniJednotka	11310

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