Chapter
Jun 20, 2012
Modeling the Evolution of Montmorillonite Clay Particulate Structure: A Discrete Element Modeling Study
Authors: Mohamed I. Matar, Dinesh R. Katti [email protected], and Kalpana S. KattiAuthor Affiliations
Publication: Advances in Measurement and Modeling of Soil Behavior
Abstract
In our prior work we have shown significant particle subdivision in montmorillonite during swelling. Here we describe results of our studies on modeling, the evolution of particle subdivision in clays using discrete element modeling (DEM). Particle subdivision has been incorporated in DEM. Our simulations indicate that particle subdivision has an important effect on swelling volume and swelling pressure. We report that the swelling pressure increased with an increase in number of particle subdivisions. Here the quantitative relationship between particle breakdown and evolution of microstructure, swelling, and swelling pressure is elaborated.
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Published In
Advances in Measurement and Modeling of Soil Behavior
Pages: 1 - 10
Copyright
© 2007 American Society of Civil Engineers.
History
Published online: Jun 20, 2012
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ASCE Technical Topics:
- Clays
- Continuum mechanics
- Discrete element method
- Dynamic pressure
- Dynamics (solid mechanics)
- Engineering fundamentals
- Engineering materials (by type)
- Engineering mechanics
- Expansive soils
- Fine-grained soils
- Geomechanics
- Geotechnical engineering
- Materials engineering
- Methodology (by type)
- Models (by type)
- Numerical methods
- Particles
- Pressure (type)
- Soil mechanics
- Soil structures
- Soils (by type)
- Solid mechanics
- Structural engineering
- Structural models
- Structures (by type)
Authors
Affiliations
Mohamed I. Matar
Department of Civil Engineering, CIE 201, North Dakota State University, Fargo, ND, 58105
Department of Civil Engineering, CIE 201, North Dakota State University, Fargo, ND, 58105,. E-mail: [email protected]
Kalpana S. Katti
Department of Civil Engineering, CIE 201, North Dakota State University, Fargo, ND, 58105
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Terms of Use: ASCE Library Cards are for individual, personal use only. Reselling, republishing, or forwarding the materials to libraries or reading rooms is prohibited.