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A micro finite element model for soil behaviour: experimental evaluation for sand under triaxial compression

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Figure

Fig. 1. Views of the full experimental specimen at: (a) 0% axial strain and (b) 10% axial strain and of the numerical specimen at: (c) 0% axial strain and (d) 10% axial strain
Fig. 3. Comparison between the macroscopic results from the µFE model and the experiments: (a) Stress-strain response and (b) Volumetric response
Fig. 4. Polar plots showing the evolution of contact normal vectors for: (a) axial strain level of 2.5% number of vectors of 105744, (b) strain 5.5% no
Fig. 5. Comparison of the evolution of the stress ratio with two micro scale parameters: (a) anisotropy of the distribution of the contact normal vectors, (b) number of contact normal vectors
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