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PLAXIS | SOILVISION Wiki UDSM - Creep-SCLAY1S
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    UDSM - Creep-SCLAY1S

    Application PLAXIS 2D
    PLAXIS 3D
    Version PLAXIS 2D
    PLAXIS 3D
    Date created 22 August 2018
    Date modified 21 September 2020

    The Creep-SCLAY1S model is capable of simulating the anisotropic and rate-dependent behaviour of soft soils. The mathematical formulation also includes the possibility to model bonding and destructuration. Many constitutive models have been proposed in literature to describe the behaviour of structured natural clays. Most of the rate-dependent models were developed based on the Perzyna's (Perzyna (1963) and Perzyna (1966)) overstress theory (e.g. Hinchberger & Rowe (2005) and Zhou, Yin, Zhu & Cheng (2005)), with the disadvantage of a difficult parameter calibration process (Karstunen & Yin (2010)). Another approach consists in using empirical formulations, as for example the Soft Soil Creep model available in the PLAXIS standard library. The Creep-SCLAY1S can be considered a special kind of extended overstress model derived from an empirical equation (Sivasithamparam, Karstunen & Bonnier (2015))

     


    With the release of PLAXIS 2D/3D CONNECT Edition V20 Update 1 (January 2020), the PLAXIS User Defined Soil models are delivered with the PLAXIS installation. When enabling the Geotechnical SELECT Entitlement [GSE] when starting the PLAXIS application, this model becomes available in the Parameters tab when selecting "User-defined" for the Material model.

    Downloads

    The Creep-SCLAY1S model.pdf

    See also

    How to use a user defined soil model in PLAXIS [Videos]


    Plaxis User Defined Soil Models [Models]


    64 bit User Defined Soil model [Tips and Tricks]


    UDSM - Mixed Isotropic-kinematic Hardening Elastoplastic Models for Structured Clay [Models]


    UDSM - Anisotropic Clay Models: S-CLAY1 and S-CLAY1S [Models]


    Soft Soil Model [Models]

    • structured clay
    • anisotropic
    • Plaxis 3D
    • creep
    • UDSM
    • soft soil
    • anisotropic behaviour
    • PLAXIS
    • Clay
    • soft soil creep
    • anisotropy
    • plx-udsm
    • PLAXIS 2D
    • User defined soil model
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    • Micha van der Sloot Created by Bentley Colleague Micha van der Sloot
    • When: Mon, Dec 23 2019 11:47 AM
    • Micha van der Sloot Last revision by Bentley Colleague Micha van der Sloot
    • When: Tue, Sep 22 2020 4:08 AM
    • Revisions: 4
    • Comments: 0
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