About: Simulations of a NATM tunnel in a stiff clay using hypoplastic model

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	The paper presents 2D and 3D analyses of an exploratory adit and 3D analyses of a NATM tunnel in stiff clays using two constitutive models (hypoplastic model for clays and Mohr-Coulomb model). The convergence-confinement method CCM with stress-release parameter lambda was used in 2D simulations of the adit. To ensure that the 2D and 3D analyses give the same displacement field the parameter lambda had been optimised. The constitutive model parameters were subsequently optimised using monitoring data from the adit. Parameters of the hypoplastic model did not change substantially. The Mohr-Coulomb model gives correct predictions only for unrealistic model parameters and low K0 values. The 3D model of the tunnel with optimised parameters was set together and resulting simulations compared with actual monitoring data. In a case of hypoplastic model a good agreement was found. The paper presents 2D and 3D analyses of an exploratory adit and 3D analyses of a NATM tunnel in stiff clays using two constitutive models (hypoplastic model for clays and Mohr-Coulomb model). The convergence-confinement method CCM with stress-release parameter lambda was used in 2D simulations of the adit. To ensure that the 2D and 3D analyses give the same displacement field the parameter lambda had been optimised. The constitutive model parameters were subsequently optimised using monitoring data from the adit. Parameters of the hypoplastic model did not change substantially. The Mohr-Coulomb model gives correct predictions only for unrealistic model parameters and low K0 values. The 3D model of the tunnel with optimised parameters was set together and resulting simulations compared with actual monitoring data. In a case of hypoplastic model a good agreement was found. (en)
Title	Simulations of a NATM tunnel in a stiff clay using hypoplastic model Simulations of a NATM tunnel in a stiff clay using hypoplastic model (en)
skos:prefLabel	Simulations of a NATM tunnel in a stiff clay using hypoplastic model Simulations of a NATM tunnel in a stiff clay using hypoplastic model (en)
skos:notation	RIV/00216208:11310/10:10081100!RIV11-GA0-11310___
http://linked.open...avai/riv/aktivita	P S Z
http://linked.open...avai/riv/aktivity	P(GA205/08/0732), S, Z(MSM0021620855)
http://linked.open...vai/riv/dodaniDat	2011
http://linked.open...aciTvurceVysledku	Svoboda, Tomáš Mašín, David
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	Univerzita Karlova v Praze / Přírodovědecká fakulta
http://linked.open...dnocenehoVysledku	287494
http://linked.open...ai/riv/idVysledku	RIV/00216208:11310/10:10081100
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	hypoplastic model; stiff clay; NATM tunnel (en)
http://linked.open.../riv/klicoveSlovo	hypoplastic model stiff clay NATM tunnel
http://linked.open...ontrolniKodProRIV	[97AF4917C748]
http://linked.open...v/mistoKonaniAkce	Brno
http://linked.open...i/riv/mistoVydani	Brno
http://linked.open...i/riv/nazevZdroje	Geotechnical Engineers 20
http://linked.open...in/vavai/riv/obor	JM
http://linked.open...ichTvurcuVysledku	2 (xsd:int)
http://linked.open...cetTvurcuVysledku	2 (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
http://linked.open...UplatneniVysledku	2010
http://linked.open...iv/tvurceVysledku	Mašín, David Svoboda, Tomáš
http://linked.open...vavai/riv/typAkce	EUR - Evropská
http://linked.open.../riv/zahajeniAkce	2010-05-30 (xsd:date)
http://linked.open...n/vavai/riv/zamer	Material flow mechanisms in the upper spheres of the Earth
number of pages	6 (xsd:int)
http://purl.org/ne...btex#hasPublisher	Akademické nakladatelství CERM
https://schema.org/isbn	978-80-7204-686-7
http://localhost/t...ganizacniJednotka	11310
is http://linked.open...avai/riv/vysledek of	Simulations of a NATM tunnel in a stiff clay using hypoplastic model Simulations of a NATM tunnel in a stiff clay using hypoplastic model Simulations of a NATM tunnel in a stiff clay using hypoplastic model

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