Abstract
Kaolinite is a common clay mineral. It is a nanomaterial with a platelet crystalline structure. In order to analyze the behavior of kaolinite, its microscopic structure and material properties must be specified correctly. A molecular dynamics (MD) simulation is used for determining the microscale properties of hydrated kaolinite, and these properties are introduced into a multiscale homogenization analysis (HA). We previously developed such an MD/HA technique to investigate seepage, diffusion, sorption and consolidation in bentonite clay (Proceedings of the Science Basis for Nuclear Waste Management, Davos, Switzerland, vol. XXI. Material Research Society: Warrendale, PA, 1997; 359-366; Eng. Geol. 1999; 54:21-31; Eng. Geol. 2001; 60:127-138; Coupled Thermo-Hydro-Mechanical-Chemical Processes in Geo-systems. Elsevier: Amsterdam, 2005; 457-464). We here apply the method to kaolinite clay to investigate the permeability, diffusion and related similitude law. The obtained results are supported by existing experimental data.
| Original language | English |
|---|---|
| Pages (from-to) | 687-707 |
| Number of pages | 21 |
| Journal | International Journal for Numerical and Analytical Methods in Geomechanics |
| Volume | 33 |
| Issue number | 5 |
| DOIs | |
| State | Published - 10 Apr 2009 |
Keywords
- Diffusion
- Homogenization analysis
- Kaolinite
- Molecular dynamics
- Seepage
- Similitude law
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