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Volume 38 Issue 6
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ZHAO Yi, ZHOU Xiao-ping, QIAN Qi-hu. Elastoplastic analysis of surrounding rock masses around tunnels using general particle dynamics method[J]. Chinese Journal of Geotechnical Engineering, 2016, 38(6): 1104-1116. DOI: 10.11779/CJGE201606018
Citation: ZHAO Yi, ZHOU Xiao-ping, QIAN Qi-hu. Elastoplastic analysis of surrounding rock masses around tunnels using general particle dynamics method[J]. Chinese Journal of Geotechnical Engineering, 2016, 38(6): 1104-1116. DOI: 10.11779/CJGE201606018
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Elastoplastic analysis of surrounding rock masses around tunnels using general particle dynamics method

  • 1. School of Civil Engineering, Chongqing University, Chongqing 400045, China;
    2. PLA University of Science and Technology, Nanjing 210007, China

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  • Received Date: February 25, 2015
  • Published Date: June 24, 2016
    Graphical Abstract
    • Abstract
  • The novel meshless numerical method, which is known as general particle dynamics (GPD) method, is proposed. The non-associated flow law and the associated flow law can be employed to analyze the plastic deformation of the surrounding rock masses around tunnels using the GPD method. The stability of the surrounding rock masses around tunnels are also determined using the GPD method as well as the stress fields, displacement fields and plastic zone. The numerical results by the proposed method are in good agreement with the FEM results. It is proved that the GPD method is efficient to predict the elastic-plastic properties of the surrounding rock masses around tunnels.
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    • References (25)
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