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journal id: "physicalxreviewxletters"
| Auteurs | A. Khaldoun, P. Moller, A. Fall, G. Wegdam, B. de Leeuw, Y. Méheust, J.O. Fossum, D. Bonn | | Titel | Quick clay and landslides of clayey soils |
| Tijdschrift | Physical Review Letters |
| Jaargang | 103 |
| Jaar | 2009 |
| Nummer | 18 |
| Pagina's | 188301- |
| ISSN | 00319007 |
| Faculteit | Faculteit der Natuurwetenschappen, Wiskunde en Informatica |
| Instituut/afd. | FNWI: Van der Waals-Zeeman Institute (WZI) |
| Samenvatting | We study the rheology of quick clay, an unstable soil responsible for many landslides. We show that above a critical stress the material starts flowing abruptly with a very large viscosity decrease caused by the flow. This leads to avalanche behavior that accounts for the instability of quick clay soils. Reproducing landslides on a small scale in the laboratory shows that an additional factor that determines the violence of the slides is the inhomogeneity of the flow. We propose a simple yield stress model capable of reproducing the laboratory landslide data, allowing us to relate landslides to the measured rheology. |
| Soort document | Artikel |
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