Mechanics of Time-Dependent Materials

, Volume 23, Issue 4, pp 465–476 | Cite as

Fractional order creep model for coral sand

  • Yifei SunEmail author
  • Cheng Chen


The creep of coral sand is a critical factor that needs to be considered in geotechnical design of engineering facilities along coastal areas. In this study, a new fractional order creep model for coral sand is developed by extending the previous work on fractional (visco)plasticity. Unlike traditional fractional creep models that use viscoelasticity, this model uses a fractional order flow rule to capture the creep behaviour of coral sand. To validate the proposed model, test results of coral sand from the available literature are simulated, where good agreement between the model predictions and test results is observed.


Fractional order Creep History dependence Coral sand 



The financial support provided by the China Postdoctoral Science Foundation (Grant No. 2017M621607) and the Fundamental Research Funds for the Central Universities (Grant No. 2017B05214) are appreciated.


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© Springer Nature B.V. 2018

Authors and Affiliations

  1. 1.Key Laboratory of Ministry of Education for Geomechanics and Embankment EngineeringHohai UniversityNanjingChina
  2. 2.School of Civil Engineering and ArchitectureWuhan University of TechnologyWuhanChina

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