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A Numerical Model of Internal Erosion for Multiphase Geomaterials

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Bifurcation and Degradation of Geomaterials with Engineering Applications (IWBDG 2017)

Part of the book series: Springer Series in Geomechanics and Geoengineering ((SSGG))

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Abstract

Internal erosion is the detachment of fine soil particles due to seepage flow, with ensuing increasing porosity, and transport of these particles out of the soil mass. In the present study, firstly we have formulated the constitutive equations of the internal erosion, that is, the erosion criteria and the rate equation of the mass transfer. The driving force for erosion is assumed to be given by the interaction term, i.e. relative velocity between two phases in the equation of motions for the two-phase mixture. Then, field equations to simulate hydro-mechanical behavior due to the internal erosion were derived in the framework of multiphase mixture theory. In addition, laboratory erosion tests using gap-graded sandy soil are simulated by the proposed model and the validity are discussed with respect to the rate of eroded soil mass and the particle size distribution after the erosion test.

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References

  1. Ke, L., Takahashi, A.: Experimental investigations on suffusion characteristics and its mechanical consequences on saturated cohesionless soil. Soils Found. 54(4), 713–730 (2014)

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  2. Loret, B.: Sand production during hydrate dissociation: constitutive and field equations, Note, 30 Aug 2015

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  3. Oka, F., Kimoto, S.: Computational modeling of multiphase geomaterials. Taylor & Francis, CRC Press (2012)

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Author information

Authors and Affiliations

  1. Department of Civil and Earth Resources Engineering, Kyoto University, Kyoto, 615-8540, Japan

    Sayuri Kimoto

  2. Department of Civil and Earth Resources Engineering, Kyoto University, Kyoto, Japan

    Toshifumi Akaki

  3. Institut National Polytechnique, Université de Grenoble, Grenoble, France

    Benjamin Loret

  4. Emeritus of Kyoto University, Kyoto, Japan

    Fusao Oka

Authors
  1. Sayuri Kimoto
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  2. Toshifumi Akaki
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  3. Benjamin Loret
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  4. Fusao Oka
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Corresponding author

Correspondence to Sayuri Kimoto .

Editor information

Editors and Affiliations

  1. Department of Civil Engineering, Aristotle Univ of Thessaloniki Department of Civil Engineering, Thessaloniki, Greece

    Euripides Papamichos

  2. Department of Civil and Environmental En, University of Cyprus Department of Civil and Environmental En, Nicos, Cyprus

    Panos Papanastasiou

  3. School of Mechanical & Chemical Engg, University of Western Australia School of Mechanical & Chemical Engg, Crawley, West Australia, Australia

    Elena Pasternak

  4. Sch Civil, Envtl & Mining Engg, University of Western Australia Sch Civil, Envtl & Mining Engg, Crawley, West Australia, Australia

    Arcady Dyskin

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© 2017 Springer International Publishing AG

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Kimoto, S., Akaki, T., Loret, B., Oka, F. (2017). A Numerical Model of Internal Erosion for Multiphase Geomaterials. In: Papamichos, E., Papanastasiou, P., Pasternak, E., Dyskin, A. (eds) Bifurcation and Degradation of Geomaterials with Engineering Applications. IWBDG 2017. Springer Series in Geomechanics and Geoengineering. Springer, Cham. https://doi.org/10.1007/978-3-319-56397-8_16

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  • DOI: https://doi.org/10.1007/978-3-319-56397-8_16

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  • Publisher Name: Springer, Cham

  • Print ISBN: 978-3-319-56396-1

  • Online ISBN: 978-3-319-56397-8

  • eBook Packages: EngineeringEngineering (R0)

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