Assessment of tunnel's face support pressure
The result's identifiers
Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F61989100%3A27120%2F17%3A10237256" target="_blank" >RIV/61989100:27120/17:10237256 - isvavai.cz</a>
Result on the web
<a href="http://dx.doi.org/10.1088/1757-899X/236/1/012074" target="_blank" >http://dx.doi.org/10.1088/1757-899X/236/1/012074</a>
DOI - Digital Object Identifier
<a href="http://dx.doi.org/10.1088/1757-899X/236/1/012074" target="_blank" >10.1088/1757-899X/236/1/012074</a>
Alternative languages
Result language
angličtina
Original language name
Assessment of tunnel's face support pressure
Original language description
The evaluation of support pressure ensuring tunnel's face stability during excavation using tunnel boring machines is one of the fundamental problems in tunnelling. This paper presents various approaches to this problem. The analytical models, based either on the principle of limit equilibrium or the limiting analysis (low boundary or upper boundary limiting methods), requires considerable simplification (circular tunnel, homogeneous rock mass etc.). But, on the other hand they are less time-consuming in comparison with the numerical models based on the finite element method. This paper describes the comparison of results of minimum face pressure obtained on the basis of different calculation methods with respect to the specific geometrical and material characteristics of the problem. Geotechnical software Midas GTS NX (based on finite element method) was used for presented numerical analysis. The paper also provides a comparison of modelling results with the results of the face pressure corresponding to the real excavation of the tunnel.
Czech name
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Czech description
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Classification
Type
D - Article in proceedings
CEP classification
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OECD FORD branch
20102 - Construction engineering, Municipal and structural engineering
Result continuities
Project
<a href="/en/project/TE01020168" target="_blank" >TE01020168: Centre for Effective and Sustainable Transport Infrastructure (CESTI)</a><br>
Continuities
P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)
Others
Publication year
2017
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů
Data specific for result type
Article name in the collection
IOP Conference Series: Materials Science and Engineering. Volume 236
ISBN
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ISSN
1757-8981
e-ISSN
1757-899X
Number of pages
7
Pages from-to
1-7
Publisher name
Institute of Physics
Place of publication
London
Event location
Praha
Event date
Sep 21, 2017
Type of event by nationality
WRD - Celosvětová akce
UT code for WoS article
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