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Numerical modelling of Val d’Arán landslide with Material Point Method

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hdl:2117/186783

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Carluccio, Gaia diMés informacióMés informacióMés informació
Pinyol Puigmartí, Núria MercèMés informacióMés informacióMés informació
Perdices Cos, Pau
Hurlimann Ziegler, MarcelMés informacióMés informacióMés informació
Chair / Department / Institute
Centre Internacional de Mètodes Numèrics en Enginyeria
Document typeConference report
Defense date2019
PublisherCIMNE
Rights accessOpen Access
All rights reserved. This work is protected by the corresponding intellectual and industrial property rights. Without prejudice to any existing legal exemptions, reproduction, distribution, public communication or transformation of this work are prohibited without permission of the copyright holder
Abstract
Flow-like landslides in mountainous areas can cause extensive damages due to their high velocity and long run-out distance. This work presents a real case of landslide occurred on 11 May 2018 in Val d’Arán (Catalonia, Spain). It involved about 50.000 m3 of glacial and colluvial material, travelling about 250 m until the valley floor and climbing about 100 meters on the opposite hillside. With the aim to assess the capabilities of the Material Point Method (MPM) [1,2] plane strain analyses with the 2-phases 1-point formulation [3,4] are conducted on a representative section. First, the slope material is described with the Mohr-Coulomb criterion. Second, a constitutive model based on the critical state theory (Ta-Ger [5,6]), is adopted. The simulations results led to conclude that an advanced constitutive model, able to simulate the strength loss of the material during the movement, is required to reproduce flow-like landslides and to obtain realistic results in terms of long run-out distance.
CitationCarluccio, G. di [et al.]. Numerical modelling of Val d'Arán landslide with Material Point Method. A: PARTICLES VI. "PARTICLES VI : proceedings of the VI International Conference on Particle-Based Methods : fundamentals and applications". CIMNE, 2019, p. 534-542. ISBN 978-84-121101-1-1. 
URIhttp://hdl.handle.net/2117/186783
ISBN978-84-121101-1-1
Publisher versionhttps://congress.cimne.com/particles2019/frontal/doc/Ebook_Particles_2019.pdf
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  • CIMNE - Centre Internacional de Mètodes Numèrics en Enginyeria - Ponències/Comunicacions de congressos [311]
  • International Conference on Particle-Based Methods (PARTICLES) - VI International Conference on Particle-Based Methods: fundamentals and applications (PARTICLES 2019), Barcelona, 28-30 October, 2019 [75]
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