About: Incorporating In-situ Measurements towards Improved Two-dimensional Simulation of Tunnel Excavation

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	Although capable of addressing a number of important facts, such as the supporting effect of soil in the longitudinal direction of the tunnel and its inherent creep behavior, the accuracy of convergence confinement method is strongly affected by practical experiences of the designer. It is therefore still of considerable interest to improve the modeling phase whilst keeping its simplicity. Such a goal can be successfully achieved by combining the numerical analysis with in-situ measurements. Particularly, taking advantage of convergence curves in the longitudinal direction constructed during excavation, both in front of and behind the tunnel heading, it is possible to extend the general formulation into 3D whilst maintaining the two dimensional format of the finite element mesh as demonstrated in this contribution. The original formulation is now being extended to account for inelastic deformations in the context of exponentially decaying convergence curves. Although capable of addressing a number of important facts, such as the supporting effect of soil in the longitudinal direction of the tunnel and its inherent creep behavior, the accuracy of convergence confinement method is strongly affected by practical experiences of the designer. It is therefore still of considerable interest to improve the modeling phase whilst keeping its simplicity. Such a goal can be successfully achieved by combining the numerical analysis with in-situ measurements. Particularly, taking advantage of convergence curves in the longitudinal direction constructed during excavation, both in front of and behind the tunnel heading, it is possible to extend the general formulation into 3D whilst maintaining the two dimensional format of the finite element mesh as demonstrated in this contribution. The original formulation is now being extended to account for inelastic deformations in the context of exponentially decaying convergence curves. (en)
Title	Incorporating In-situ Measurements towards Improved Two-dimensional Simulation of Tunnel Excavation Incorporating In-situ Measurements towards Improved Two-dimensional Simulation of Tunnel Excavation (en)
skos:prefLabel	Incorporating In-situ Measurements towards Improved Two-dimensional Simulation of Tunnel Excavation Incorporating In-situ Measurements towards Improved Two-dimensional Simulation of Tunnel Excavation (en)
skos:notation	RIV/68407700:21110/09:00164083!RIV10-MSM-21110___
http://linked.open...avai/riv/aktivita	P
http://linked.open...avai/riv/aktivity	P(1M0579)
http://linked.open...vai/riv/dodaniDat	2010
http://linked.open...aciTvurceVysledku	Šejnoha, Michal Janda, Tomáš Šejnoha, Jiří
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	České vysoké učení technické v Praze / Fakulta stavební
http://linked.open...dnocenehoVysledku	318967
http://linked.open...ai/riv/idVysledku	RIV/68407700:21110/09:00164083
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	convergence-confinement method; convergence measurements; excavation; plasticity (en)
http://linked.open.../riv/klicoveSlovo	excavation convergence measurements plasticity convergence-confinement method
http://linked.open...ontrolniKodProRIV	[806DC6104734]
http://linked.open...v/mistoKonaniAkce	Bochum
http://linked.open...i/riv/mistoVydani	Freiburg
http://linked.open...i/riv/nazevZdroje	EURO:TUN 2009 Computational Methods in Tunnelling
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	Centre for Integrated Design of Advanced Structures
http://linked.open...UplatneniVysledku	2009
http://linked.open...iv/tvurceVysledku	Janda, Tomáš Šejnoha, Michal Šejnoha, Jiří
http://linked.open...vavai/riv/typAkce	WRD - Světová
http://linked.open.../riv/zahajeniAkce	2009-09-09 (xsd:date)
number of pages	8 (xsd:int)
http://purl.org/ne...btex#hasPublisher	Aedificatio Publisher
https://schema.org/isbn	978-3-931681-94-4
http://localhost/t...ganizacniJednotka	21110

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