Curtin University Homepage
  • Library
  • Help
    • Admin

    espace - Curtin’s institutional repository

    JavaScript is disabled for your browser. Some features of this site may not work without it.
    View Item 
    • espace Home
    • espace
    • Curtin Research Publications
    • View Item
    • espace Home
    • espace
    • Curtin Research Publications
    • View Item

    Numerical analysis of the support system in the transition zone of the Esfahan subway project

    Access Status
    Fulltext not available
    Authors
    Bagherzadeh, A.
    Ferdosi, Behnam
    Nakhaei, J.
    Nasri, M.
    Date
    2014
    Type
    Journal Article
    
    Metadata
    Show full item record
    Citation
    Bagherzadeh, A. and Ferdosi, B. and Nakhaei, J. and Nasri, M. 2014. Numerical analysis of the support system in the transition zone of the Esfahan subway project. Arabian Journal of Geosciences. 8 (6): pp. 3985-4000.
    Source Title
    Arabian Journal of Geosciences
    DOI
    10.1007/s12517-014-1487-7
    ISSN
    1866-7511
    School
    Dept of Mining Eng & Metallurgical Eng
    URI
    http://hdl.handle.net/20.500.11937/6564
    Collection
    • Curtin Research Publications
    Abstract

    This paper presents the design and 3D numerical modeling of the temporary support system for the twin tunnels in the transition zone of the Esfahan subway project. Ground movements caused by tunneling beneath urban areas can have a significant impact on adjacent structures and therefore require consideration when choosing the excavation method and the type of support system. Due to the old buildings in the historical city of Esfahan, this research requires parametric studies for the use of simulation techniques. This paper focuses on 3D stability analysis and design of the support system required to control the critical strain and ground movement due to excavation of the transition area of the twin tunnels in the Esfahan subway project. A numerical model is developed to estimate the excavation effects on the critical strain and ground settlement and also the effect of reinforcement measures. In the 3D numerical model, a constitutive law characterized by the time-dependent stiffness and strength of the shotcrete is employed. Results show that the suggested support is sufficient to control the settlement and critical strain due to tunneling. Comparison between the 2D model prediction and the results of corresponding 3D model indicates that the conformity between 2D and 3D analysis results decreases in the transition region. One of the most useful methods to determine the induced seismic loads, the use of time-history dynamic analysis is usually done for major projects. In this paper, for the twin tunnels of subway, Fast Lagrangian Analysis of Continua (FLAC) software is used for this purpose. © 2014 Saudi Society for Geosciences.

    Related items

    Showing items related by title, author, creator and subject.

    • Evaluation of rock mass engineering geological properties using statistical analysis and selecting proper tunnel design approach in Qazvin–Rasht railway tunnel
      Rahimi, B.; Shahriar, K.; Sharifzadeh, Mostafa (2014)
      Various geological and geotechnical conditions at different project sites require different design, calculation and construction methods. Stability of underground openings depends on ground conditions with different modes ...
    • Utilizing IFC for shield segment assembly in underground tunneling
      Zhou, Y.; Wang, Y.; Ding, L.; Love, Peter (2018)
      © 2018 The shield method is a common approach used for subway tunnel excavation. A critical function of the shield method is the segment assembly process. It is, therefore, imperative to have access to information to be ...
    • Time-dependent behavior of tunnel lining in weak rock mass based on displacement back analysis method
      Sharifzadeh, Mostafa; Tarifard, A.; Moridi, Mohammad Ali (2013)
      Weak rock mass behavior is an important and challenging consideration during construction and utilization of a tunnel. Tunnel surrounding ground deformation in weak rocks causes to gradual development of loading on the ...
    Advanced search

    Browse

    Communities & CollectionsIssue DateAuthorTitleSubjectDocument TypeThis CollectionIssue DateAuthorTitleSubjectDocument Type

    My Account

    Admin

    Statistics

    Most Popular ItemsStatistics by CountryMost Popular Authors

    Follow Curtin

    • 
    • 
    • 
    • 
    • 

    CRICOS Provider Code: 00301JABN: 99 143 842 569TEQSA: PRV12158

    Copyright | Disclaimer | Privacy statement | Accessibility

    Curtin would like to pay respect to the Aboriginal and Torres Strait Islander members of our community by acknowledging the traditional owners of the land on which the Perth campus is located, the Whadjuk people of the Nyungar Nation; and on our Kalgoorlie campus, the Wongutha people of the North-Eastern Goldfields.