Marcin Cudny - Publications - Bridge of Knowledge

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Year 2024
  • Experimental observations on the creep behaviour of frozen soil
    Publication

    - Acta Geotechnica - Year 2024

    Constitutive models in the literature for creep of frozen soil are based on the direct use of time counted from the onset of creep. An explicit time dependence in a constitutive equation violates the principles of rational mechanics. No change in stress or temperature is allowed for during creep, using the time-based formulations. Moreover, the existing descriptions need much verification and improvement on the experimental side...

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  • Modelling tunnelling-induced deformation in stiff soils with a hyperelastic–plastic anisotropic model
    Publication

    - Acta Geotechnica - Year 2024

    In this paper, the tunnelling-induced deformation in anisotropic stiff soils is analysed using FE modelling. The influence of material description is investigated rather than an advanced simulation of the tunnelling method. A new hyperelastic– plastic model is proposed to describe the anisotropic mechanical behaviour of stiff highly overconsolidated soil. This model can reproduce the superposition of variable stress-induced anisotropy...

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Year 2023
Year 2021
  • A hyperelastic model for soils with stress-induced and inherent anisotropy
    Publication

    In this paper, modelling of the superposition of stress-induced and inherent anisotropy of soil small strain stiffness is8presented in the framework of hyperelasticity. A simple hyperelastic model, capable of reproducing variable stress-induced9anisotropy of stiffness, is extended by replacement of the stress invariant with mixed stress–microstructure invariant to10introduce constant inherent cross-anisotropic component. A convenient...

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