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    Numerical study of the behaviour of jointed tunnel lining

    Access Status
    Fulltext not available
    Authors
    Barzegar, M.
    Gharehdash, S.
    Sharifzadeh, Mostafa
    Date
    2015
    Type
    Conference Paper
    
    Metadata
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    Citation
    Barzegar, M. and Gharehdash, S. and Sharifzadeh, M. 2015. Numerical study of the behaviour of jointed tunnel lining, in Kilic, M. and Odasi, M. (ed), Proceedings of the 24th International Mining Congress and Exhibition of Turkey, IMCET 2015, Apr 14-17 2015, pp. 886-893. Antalya, Turkey: Chamber of Mining Engineers of Turkey.
    Source Title
    Proceedings of the 24th International Mining Congress of Turkey, IMCET 2015
    ISBN
    9786050107050
    School
    Dept of Mining Eng & Metallurgical Eng
    URI
    http://hdl.handle.net/20.500.11937/42740
    Collection
    • Curtin Research Publications
    Abstract

    This paper presents the results of a numerical study that has been performed to investigate the factors affecting the maximum bending moment induced in a jointed tunnel lining. The effects of joint number and orientation have been studied in detail. Observations of the results demonstrate that increasing joint number reduces the maximum bending moment induced in the lining. However, the effects of joint number and orientation on the maximum bending moment induced in the tunnel lining become insignificant once the critical joint number has been exceeded. In addition, the sensitivity of the joint number to various ground conditions, tunnel depths and lining flexibility are also highlighted. From the parametric studies, a simple design methodology is proposed to facilitate the determination of maximum bending moment induced in a jointed tunnel lining without incorporating joints in the analysis.

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