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Statements

Subject Item
n2:RIV%2F68407700%3A21110%2F14%3A00227819%21RIV15-TA0-21110___
rdf:type
n5:Vysledek skos:Concept
dcterms:description
Several advances in the modeling of soil-structure interaction in the light of tunnel excavation are discussed. The theoretical formulation as well as numerical implementation are presented such as to meet the following requirements: simplicity, reliability and practical applicability to make the resulting software product available for a direct use on the construction site. To that end a recently introduced 2D3D modeling of tunnel excavation incorporating the in-situ measurements and two-dimensional computational framework of an underground structure is effectively combined with a fully three-dimensional (3D) beam-like representation of a typical urban structure made of masonry or precast concrete. Assuming this model provides an %22exact solution%22 we propose a new reduced model of an underground structure to be yet considerably more efficient since based only on a limited number of model parameters and despite of that providing useful results as it can easily be calibrated against the 2D3D model such as to match the underground settlement as close as possible to reality. The efficiency of the latter model is subsequently exploited in the stochastic analysis of the excavation process utilizing the elements of Bayesian statistical methods in improving the distributions of model parameters. While details of the calibration step of the reduced model are provided, the stochastic analysis is addressed in this paper only methodologically. Several advances in the modeling of soil-structure interaction in the light of tunnel excavation are discussed. The theoretical formulation as well as numerical implementation are presented such as to meet the following requirements: simplicity, reliability and practical applicability to make the resulting software product available for a direct use on the construction site. To that end a recently introduced 2D3D modeling of tunnel excavation incorporating the in-situ measurements and two-dimensional computational framework of an underground structure is effectively combined with a fully three-dimensional (3D) beam-like representation of a typical urban structure made of masonry or precast concrete. Assuming this model provides an %22exact solution%22 we propose a new reduced model of an underground structure to be yet considerably more efficient since based only on a limited number of model parameters and despite of that providing useful results as it can easily be calibrated against the 2D3D model such as to match the underground settlement as close as possible to reality. The efficiency of the latter model is subsequently exploited in the stochastic analysis of the excavation process utilizing the elements of Bayesian statistical methods in improving the distributions of model parameters. While details of the calibration step of the reduced model are provided, the stochastic analysis is addressed in this paper only methodologically.
dcterms:title
Modeling of Soil Structure Interaction during Tunnel Excavation considering Uncertainties Modeling of Soil Structure Interaction during Tunnel Excavation considering Uncertainties
skos:prefLabel
Modeling of Soil Structure Interaction during Tunnel Excavation considering Uncertainties Modeling of Soil Structure Interaction during Tunnel Excavation considering Uncertainties
skos:notation
RIV/68407700:21110/14:00227819!RIV15-TA0-21110___
n3:aktivita
n19:P
n3:aktivity
P(TA01030245)
n3:dodaniDat
n11:2015
n3:domaciTvurceVysledku
n8:4795180 n8:3665089 n8:3638464 n8:2915316
n3:druhVysledku
n18:D
n3:duvernostUdaju
n9:S
n3:entitaPredkladatele
n10:predkladatel
n3:idSjednocenehoVysledku
29836
n3:idVysledku
RIV/68407700:21110/14:00227819
n3:jazykVysledku
n15:eng
n3:klicovaSlova
soil-structure interaction; 2D3D method; excavation; convergence measurements; Bayesian update; likelihood function; Markov chain Monte Carlo method
n3:klicoveSlovo
n13:convergence%20measurements n13:likelihood%20function n13:Markov%20chain%20Monte%20Carlo%20method n13:soil-structure%20interaction n13:Bayesian%20update n13:excavation n13:2D3D%20method
n3:kontrolniKodProRIV
[AF2D3A23A8F1]
n3:mistoKonaniAkce
Neapol
n3:mistoVydani
Stirling
n3:nazevZdroje
Proceedings of the Ninth International Conference on Engineering Computational Technology
n3:obor
n17:JM
n3:pocetDomacichTvurcuVysledku
4
n3:pocetTvurcuVysledku
4
n3:projekt
n20:TA01030245
n3:rokUplatneniVysledku
n11:2014
n3:tvurceVysledku
Šejnoha, Jiří Srnec, Vladimír Janda, Tomáš Šejnoha, Michal
n3:typAkce
n16:WRD
n3:zahajeniAkce
2014-09-02+02:00
s:issn
1759-3433
s:numberOfPages
16
n21:doi
10.4203/ccp.105.45
n14:hasPublisher
Civil-Comp Press Ltd
n6:isbn
978-1-905088-60-7
n22:organizacniJednotka
21110