| Issue |
EPJ Web Conf.
Volume 140, 2017
Powders and Grains 2017 – 8th International Conference on Micromechanics on Granular Media
|
|
|---|---|---|
| Article Number | 02020 | |
| Number of page(s) | 4 | |
| Section | Granular solids | |
| DOI | https://doi.org/10.1051/epjconf/201714002020 | |
| Published online | 30 June 2017 | |
https://doi.org/10.1051/epjconf/201714002020
Experimental measurement of granular fabric and its evolution under shearing
1 Univ. Grenoble Alpes, 3SR, F-38000 Grenoble, France
2 CNRS, 3SR, F-38000 Grenoble, France
3 Technische Universität Dresden, Institute of Geotechnical Engineering, Germany
4 University of Cassino, Cassino, 03043, Italy
* e-mail: max.wiebicke@tu-dresden.de
Published online: 30 June 2017
X-ray μ computed tomography (CT) made three-dimensional in-situ imaging of natural granular materials possible. Previous work using x-ray μCT and triaxial compression tests has studied the 3D kinematics of individual grains during shear banding [1]. This works aims to supplement these measurements of kinematics with the measurement of different fabric entities, such as particle or contact orientations. It was found that the individual orientations of the different fabric entities pick up on the forming and the direction of the evolving shear band. The evolution of the anisotropy of the bulk of orientations corresponds to the macroscopic behaviour during the shearing test.
© The Authors, published by EDP Sciences, 2017
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