EPJ Web Conf.
Volume 140, 2017Powders and Grains 2017 – 8th International Conference on Micromechanics on Granular Media
|Number of page(s)||4|
|Section||Particle simulations and particle-based methods|
|Published online||30 June 2017|
Micromechanics of non-active clays in saturated state and DEM modelling
1 University of Strathclyde, Department of Civil and Environmental Engineering, Glasgow, UK
2 University of Twente, Faculty of Engineering Technology, Multi-Scale Mechanics (MSM), Enschede, Netherlands
* Corresponding author: email@example.com
Published online: 30 June 2017
The paper presents a conceptual micromechanical model for 1-D compression behaviour of non-active clays in saturated state. An experimental investigation was carried out on kaolin clay samples saturated with fluids of different pH and dielectric permittivity. The effect of pore fluid characteristics on one-dimensional compressibility behaviour of kaolin was investigated. A three dimensional Discrete Element Method (DEM) was implemented in order to simulate the response of saturated kaolin observed during the experiments. A complex contact model was introduced, considering both the mechanical and physico-chemical microscopic interactions between clay particles. A simple analysis with spherical particles only was performed as a preliminary step in the DEM study in the elastic regime.
© The Authors, published by EDP Sciences, 2017
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