| Issue |
EPJ Web Conf.
Volume 249, 2021
Powders & Grains 2021 – 9th International Conference on Micromechanics on Granular Media
|
|
|---|---|---|
| Article Number | 03003 | |
| Number of page(s) | 4 | |
| Section | Granular Flow | |
| DOI | https://doi.org/10.1051/epjconf/202124903003 | |
| Published online | 07 June 2021 | |
https://doi.org/10.1051/epjconf/202124903003
A landslide granular phase transition
1
Laboratoire Ondes et Matiére d’Aquitaine (LOMA), 351 cours de la libération, 33405 Talence, France
2
University Grenoble-Alpes, INRAE, UR ETNA, 2 rue de la Papeterie BP 76, F-38402 St-Martin-d’Hères, France
* e-mail: rory.cerbus@u-bordeaux.fr
** e-mail: thierry.faug@inrae.fr
*** e-mail: hamid.kellay@u-bordeaux.fr
Published online: 7 June 2021
Landslides appear in many different forms and sizes, from devastating debris flows to overly optimistic sand castles. A familiar and well-documented feature of all landslides is the positive correlation between volume and landslide runout. Larger landslides have a greater potential to reach farther. Here we explore the low volume limit and find a surprising negative correlation between volume and landslide runout. A decrease in volume leads to an increase in runout. In a series of experiments we systematically vary the landslide volume to reveal a transition between these two regimes.
A video is available at https://doi.org/10.48448/9wzj-5n94
© The Authors, published by EDP Sciences, 2021
This is an Open Access article distributed under the terms of the Creative Commons Attribution License 4.0, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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