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Nguen Ny Bai
Nguen Ny Bai
National Mineral Resources University (Mining University)
National Mineral Resources University (Mining University)

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Articles

Geomechanics
  • Date submitted
    2013-07-12
  • Date accepted
    2013-09-22
  • Date published
    2014-01-01

Method of normal load prediction on vertical shaft lining based on nonlinear behaviour of rock mass

Article preview

Method of normal load prediction on vertical shaft lining which is constructed in nonlinear rock mass is suggested. It is supposed, that limit state zone is formed around excavation. The deformation properties of rock mass in the suggested method are determined according to nonlinear rock model. In order to predict stress and strain state around excavation the equations of deformation plasticity theory are used. The Mohr-Coulomb strength criteria is taken as a yield surface.

How to cite: Protosenya A.G., Bai N.N. Method of normal load prediction on vertical shaft lining based on nonlinear behaviour of rock mass // Journal of Mining Institute. 2014. Vol. 207. p. 231.