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    A Constitutive Model for Soft Rocks

    Abstract An isotropic, volumetric strain hardening, non-associated plasticity model, based on the critical state framework and similar to the Modified Cam Clay model, is proposed for simulating the stress-strain and volume change response of soft rocks. The model is relatively simple and has four parameters in addition to those of the Modified Cam Clay. A numerical study was conducted to investigate the effects of three of the four additional parameters of the proposed model on the predicted stress-strain and volume change response. The numerical predictions were also compared with the experimental data available for natural Corinth marl, which is a soft rock. It was concluded that the values of the parameters of the proposed model could be adjusted to give a reasonable approximation of the stress-strain and volume change behaviour of soft rocks.

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    A Constitutive Model for Soft Rocks

    Abstract An isotropic, volumetric strain hardening, non-associated plasticity model, based on the critical state framework and similar to the Modified Cam Clay model, is proposed for simulating the stress-strain and volume change response of soft rocks. The model is relatively simple and has four parameters in addition to those of the Modified Cam Clay. A numerical study was conducted to investigate the effects of three of the four additional parameters of the proposed model on the predicted stress-strain and volume change response. The numerical predictions were also compared with the experimental data available for natural Corinth marl, which is a soft rock. It was concluded that the values of the parameters of the proposed model could be adjusted to give a reasonable approximation of the stress-strain and volume change behaviour of soft rocks.

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    Order at Subito €

    A Constitutive Model for Soft Rocks

    Abstract An isotropic, volumetric strain hardening, non-associated plasticity model, based on the critical state framework and similar to the Modified Cam Clay model, is proposed for simulating the stress-strain and volume change response of soft rocks. The model is relatively simple and has four parameters in addition to those of the Modified Cam Clay. A numerical study was conducted to investigate the effects of three of the four additional parameters of the proposed model on the predicted stress-strain and volume change response. The numerical predictions were also compared with the experimental data available for natural Corinth marl, which is a soft rock. It was concluded that the values of the parameters of the proposed model could be adjusted to give a reasonable approximation of the stress-strain and volume change behaviour of soft rocks.

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    Title:

    A Constitutive Model for Soft Rocks

    Contributors:

    Dr. Islam, Mohammed Kabirul (author) / Mr. Ibrahim, Mohammed (author)

    Published in:

    Soil Stress-Strain Behavior: Measurement, Modeling and Analysis ; 791-800

    Solid Mechanics and Its Applications ; 146

    Publication date:

    2007-01-01

    Size:

    10 pages

    ISBN:

    978-1-4020-6146-2 , 978-1-4020-6145-5

    ISSN:

    2214-7764 , 0925-0042

    DOI:

    https://doi.org/10.1007/978-1-4020-6146-2_58

    Type of media:

    Article/Chapter (Book)

    Type of material:

    Electronic Resource

    Language:

    English

    Keywords:

    Void Ratio , Volumetric Strain , Triaxial Test , Cell Pressure , Yield Locus Physics , Soft and Granular Matter, Complex Fluids and Microfluidics , Continuum Mechanics and Mechanics of Materials , Building Materials , Geoengineering, Foundations, Hydraulics , Numerical and Computational Physics

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