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Title:A comparison of linear and nonlinear seismic tunnel-ground interaction analyses
Authors:Zlatanović, Elefterija (Author)
Trajković-Milenković, Marina (Author)
Lukić, Dragan (Author)
Brčić, Stanko (Author)
Šešov, Vlatko (Author)
Fakulteta za gradbeništvo, prometno inženirstvo in arhitekturo Univerze v Mariboru (Authorship owner)
Files:.pdf Acta_geotechnica_Slovenica_2016_Zlatanovic_et_al._A_comparison_of_linear_and_nonlinear_seismic_tunnel–ground_interaction_analyses.pdf (1,57 MB)
MD5: 60FF450D7BC02071CAFF73CD3C99F48B
 
URL http://fgserver3.fg.um.si/journal-ags/2016-2/article-3.asp
 
Language:English
Work type:Scientific work (r2)
Typology:1.01 - Original Scientific Article
Organization:FGPA - Faculty of Civil Engineering, Transportation Engineering and Architecture
Abstract:In order to study the effects of a seismically induced tunnel–ground interaction, two-dimensional numerical analyses are performed using the sofware ANSYS. The study employs a coupled beam–spring model subjected to earthquake loading that is simulated under pure shear conditions and determined by a free-field ground-response analysis using the code EERA. The properties of the soil material are considered as both linear and nonlinear. The results obtained by linear dynamic analyses are compared with state-of-practice analytical elastic solutions. A comparison of the results of both linear and nonlinear analyses is also performed, and significant differences, as well as important factors influencing the tunnel–ground interaction for both cases, are evaluated.
Keywords:circular tunnel, linear/nonlinear soil behaviour, beam–spring model, plane-strain conditions, simplified dynamic FE analysis, soil–structure interaction
Year of publishing:2016
Number of pages:str. 27-42
Numbering:št. 2, Letn. 13
ISSN:1854-0171
ISSN on article:1854-0171
NUK URN:URN:SI:UM:DK:QQ8WHA7Z
Copyright:Fakulteta za gradbeništvo, prometno inženirstvo in arhitekturo Univerze v Mariboru
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Record is a part of a journal

Title:Acta geotechnica Slovenica
Shortened title:Acta geotech. Slov.
Publisher:Fakulteta za gradbeništvo, prometno inženirstvo in arhitekturo Univerze v Mariboru
ISSN:1854-0171
COBISS.SI-ID:215987712 New window

Secondary language

Language:Slovenian
Title:Primerjava linearne in nelinearne seizmične interakcijske analize predor-tla
Abstract:Članek preučuje potresne učinke na interakcijo predor-tla. Za to so bile izvedene dvodimenzionalne numerične analize s pomočjo programa ANSYS. V študiji je uporabljen potresno obremenjen združeni model nosilec-vzmet, ki je simuliran pod čistimi strižnimi pogoji in določen z analizo odziva tal s prostim poljem z uporabo programske kode EERA. Lastnosti materiala tal so obravnavane tako linearno kot nelinearno. Rezultati, dobljeni z linearnimi dinamičnimi analizami so primerjani z v praksi znanimi analitičnimi elastičnimi rešitvami. Primerjani so tudi rezultati linearnih in nelinearnih analiz, za oba primera so ovrednotene pomembne razlike ter pomembni dejavniki, ki vplivajo na interakcijo predor-tla.
Keywords:predor okroglega prereza, linearno / nelinearno obnašanje tal, model nosilec-vzmet, ravninsko-deformacijski pogoji, poenostavljena dinamična analiza s končnimi elementi, interakcija tla-konstrukcija


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  1. Acta geotechnica Slovenica

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