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Analysis of shaft lining stress state in anhydrite-rock salt transition zone

Karasev, Maxim A. ; Protosenya, Anatoly G. ; Katerov, Andrey M. ; Petrushin, Vladislav V.

Rudarsko-geološko-naftni zbornik, 2022-01, Vol.37 (1), p.151-162

Zagreb: University of Zagreb

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  • Título:
    Analysis of shaft lining stress state in anhydrite-rock salt transition zone
  • Autor: Karasev, Maxim A. ; Protosenya, Anatoly G. ; Katerov, Andrey M. ; Petrushin, Vladislav V.
  • Assuntos: Cast iron ; Deformation ; Dolomite ; Geomechanics ; Geometric accuracy ; Heterogeneity ; lining ; load ; rheology ; salt rock ; Salts ; state of stress ; Strain ; Stress ; Stress state ; Stress-strain relationships ; Transition zone ; transitional area
  • É parte de: Rudarsko-geološko-naftni zbornik, 2022-01, Vol.37 (1), p.151-162
  • Descrição: The main question of this paper is the stress-strain state prediction of the vertical shaft’s combined lining located at the interface of two layers of dolomite and salt. The study predicts geomechanical processes at the contact of the dolomite layer and the salt layer in the vicinity of the vertical shaft’s expanded section, taking into account the operating life of a vertical shaft is equal to 50 years. The results combined lining’s stress-strain state, represented as a four – layer medium, where the external layer is concrete, and the three inner layers are used to account for the heterogeneity of cast-iron tubing and are compared with the results received when taking into account the pipe structure. The solution of the problem was carried out in a three-dimensional statement. The calculation of the tubing lining, considering its actual geometry, will increase the accuracy of the forecast of the stress state of the lining, which in turn will favourably affect the justification of its parameters.
  • Editor: Zagreb: University of Zagreb
  • Idioma: Inglês
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