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GeoStudio | PLAXIS Wiki Barcelona Basic Model - PLAXIS UDSM
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    Barcelona Basic Model - PLAXIS UDSM

    Application PLAXIS 2D
    PLAXIS 3D
    Version PLAXIS 2023.1
    Date created 02 Nov 2019
    Date modified 03 Apr 2023

    The Barcelona Basic model (BBM) is a Cam-Clay type effective stress model for the behaviour of unsaturated clay-type soils. In contrast to the original BBM, the PLAXIS BBM is defined in terms of Bishop effective stress, suction as stress variables and Lode's angle dependency. A specific feature of the model is that it includes 'collapse' upon wetting.

    The Barcelona Basic Model is introduced in PLAXIS 2023.1.

    The Barcelona Basic Model has been developed with scientific support from the Polytechnic University Catalunya (UPC). This support is gratefully acknowledged.

    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. Note that the fully coupled flow-deformation analysis used in the model requires the PLAXIS Ultimate tier.

    Downloads

    • PLAXIS 2023.1 - BBM: Barcelona Basic Model.pdf
    • Galavi Groundwater flow and Coupled analysis.pdf

    See also

    Finite element modelling of unsaturated soils using a modified version of the Barcelona Basic Model    [Publications]


    Unsaturated soil modelling with Barcelona Basic: using SoilTest    [Videos]


    Watch: Modelling unsaturated soil behaviour with PLAXIS Barcelona Basic model Modelling unsaturated soil behaviour with PLAXIS Barcelona Basic model    [Coffee Corner webinar]


    Plaxis User Defined Soil Models    [Models]


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


    64 bit User Defined Soil model    [Tips and Tricks]

    • PLAXIS 3D
    • wetting
    • UDSM
    • PLAXIS
    • plx-udsm
    • PLAXIS 2D
    • collapsible soil
    • 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 11:46 AM
    • Micha van der Sloot Last revision by Bentley Colleague Micha van der Sloot
    • When: Thu, May 25 2023 3:04 AM
    • Revisions: 10
    • Comments: 0
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