Separation of time scales in the HCA model for sand

Abstract

Separation of time scales is used in a high cycle accumulation (HCA) model for sand. An important difficulty of the model is the limited applicability of the Miner’s rule to multiaxial cyclic loadings applied simultaneously or in a combination with monotonic loading. Another problem is the lack of simplified objective HCA formulas for geotechnical settlement problems. Possible solutions of these problems are discussed.

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Correspondence to Andrzej Niemunis.

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Niemunis, A., Wichtmann, T. Separation of time scales in the HCA model for sand. Acta Geophys. 62, 1127–1145 (2014). https://doi.org/10.2478/s11600-014-0221-x

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Key words

  • high cycle model
  • accumulation
  • time scale separation
  • constitutive modelling
  • sand