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Runout of Flow Landslides

Kim, J. / Liu, Z. Q. / Lacasse, S. / Nordal, S. / Thakur, V.

Abstract Risk assessment and management of flow landslides require a reliable estimate of the runout of the landslide masses. This paper introduces empirical and analytical models for the prediction of the runout of flow landslides. The numerical model uses an extension of the Bing model in Eulerian coordinates with two-space dimensions and implements the full Herschel–Bulkley rheology to dynamically compute the depth of the moving material and shear layer. The models are validated by comparing them to the observed runout values for the Kattmarka flow landslide that took place in Norway in 2009. In particular, the analytical model, although still under development, shows promise.

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Runout of Flow Landslides

Kim, J. / Liu, Z. Q. / Lacasse, S. / Nordal, S. / Thakur, V.

Abstract Risk assessment and management of flow landslides require a reliable estimate of the runout of the landslide masses. This paper introduces empirical and analytical models for the prediction of the runout of flow landslides. The numerical model uses an extension of the Bing model in Eulerian coordinates with two-space dimensions and implements the full Herschel–Bulkley rheology to dynamically compute the depth of the moving material and shear layer. The models are validated by comparing them to the observed runout values for the Kattmarka flow landslide that took place in Norway in 2009. In particular, the analytical model, although still under development, shows promise.

Runout of Flow Landslides

Kim, J. / Liu, Z. Q. / Lacasse, S. / Nordal, S. / Thakur, V.

Abstract Risk assessment and management of flow landslides require a reliable estimate of the runout of the landslide masses. This paper introduces empirical and analytical models for the prediction of the runout of flow landslides. The numerical model uses an extension of the Bing model in Eulerian coordinates with two-space dimensions and implements the full Herschel–Bulkley rheology to dynamically compute the depth of the moving material and shear layer. The models are validated by comparing them to the observed runout values for the Kattmarka flow landslide that took place in Norway in 2009. In particular, the analytical model, although still under development, shows promise.

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Title:

Runout of Flow Landslides

Contributors:

Kim, J. (author) / Liu, Z. Q. (author) / Lacasse, S. (author) / Nordal, S. (author) / Thakur, V. (author)

Published in:

Geotechnics for Natural and Engineered Sustainable Technologies ; 433-445

Developments in Geotechnical Engineering

Publication date:

2018-01-01

Size:

13 pages

ISBN:

978-981-10-7721-0 , 978-981-10-7720-3

ISSN:

2364-5156 , 2364-5164

DOI:

https://doi.org/10.1007/978-981-10-7721-0_27

Type of media:

Article/Chapter (Book)

Type of material:

Electronic Resource

Language:

English

Keywords:

Flow landslides , Runout , Herschel–Bulkley rheology , Sensitive clays , Kattmarka Engineering , Geoengineering, Foundations, Hydraulics , Geotechnical Engineering & Applied Earth Sciences , Environmental Engineering/Biotechnology

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