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Statements

Subject Item
n2:RIV%2F68407700%3A21110%2F09%3A00164083%21RIV10-MSM-21110___
rdf:type
skos:Concept n10:Vysledek
dcterms: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.
dcterms: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
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
skos:notation
RIV/68407700:21110/09:00164083!RIV10-MSM-21110___
n3:aktivita
n15:P
n3:aktivity
P(1M0579)
n3:dodaniDat
n12:2010
n3:domaciTvurceVysledku
n4:3638464 n4:4795180 n4:3665089
n3:druhVysledku
n8:D
n3:duvernostUdaju
n19:S
n3:entitaPredkladatele
n13:predkladatel
n3:idSjednocenehoVysledku
318967
n3:idVysledku
RIV/68407700:21110/09:00164083
n3:jazykVysledku
n11:eng
n3:klicovaSlova
convergence-confinement method; convergence measurements; excavation; plasticity
n3:klicoveSlovo
n5:convergence%20measurements n5:convergence-confinement%20method n5:excavation n5:plasticity
n3:kontrolniKodProRIV
[806DC6104734]
n3:mistoKonaniAkce
Bochum
n3:mistoVydani
Freiburg
n3:nazevZdroje
EURO:TUN 2009 Computational Methods in Tunnelling
n3:obor
n9:JM
n3:pocetDomacichTvurcuVysledku
3
n3:pocetTvurcuVysledku
3
n3:projekt
n14:1M0579
n3:rokUplatneniVysledku
n12:2009
n3:tvurceVysledku
Šejnoha, Michal Janda, Tomáš Šejnoha, Jiří
n3:typAkce
n17:WRD
n3:zahajeniAkce
2009-09-09+02:00
s:numberOfPages
8
n20:hasPublisher
Aedificatio Publisher
n18:isbn
978-3-931681-94-4
n16:organizacniJednotka
21110