Observatorio de I+D+i UPM

Memorias de investigación
Research Publications in journals:
Modelling of Fluidised Geomaterials: the Case of the Aberfan And the Gypsum Tailings Impoundment Flowslides
Year:2017
Research Areas
  • Applications for ingineerings and sciences,
  • Civil engineering
Information
Abstract
The choice of a pure cohesive or a pure frictional viscoplastic model to represent the rheological behaviour of a flowslide is of paramount importance in order to obtain accurate results for real cases. The principal goal of the present work is to clarify the influence of the type of viscous model-pure cohesive versus pure frictional-with the numerical reproduction of two different real flowslides that occurred in 1966: the Aberfan flowslide and the Gypsum tailings impoundment flowslide. In the present work, a depth-integrated model based on the v - p w Biot-Zienkiewicz formulation, enhanced with a diffusion-like equation to account for the pore pressure evolution within the soil mass, is applied to both 1966 cases. For the Aberfan flowslide, a frictional viscous model based on Perzyna viscoplasticity is considered, while a pure cohesive viscous model (Bingham model) is considered for the case of the Gypsum flowslide. The numerical approach followed is the SPH method, which has been enriched by adding a 1D finite difference grid to each SPH node in order to improve the description of the pore water evolution in the propagating mixture. The results obtained by the performed simulations are in agreement with the documentation obtained through the UK National Archive (Aberfan flowslide) and the International Commission of large Dams (Gypsum flowslide).
International
Si
JCR
Si
Title
Materials
ISBN
1996-1944
Impact factor JCR
2,654
Impact info
Datos JCR del año 2016
Volume
10
10.3390/ma10050562
Journal number
5
From page
1
To page
21
Month
MAYO
Ranking
Participants
  • Autor: Paola Dutto . (UPM)
  • Autor: Miguel Martin Stickle (UPM)
  • Autor: Manuel Tomas Pastor Perez (UPM)
  • Autor: Diego Guillermo Manzanal (UPM)
  • Autor: Angel Yagüe Hernan (UPM)
  • Autor: Saeid Moussavi Tayyebi (UPM)
  • Autor: C. Lin.
  • Autor: M.D. Elizalde
Research Group, Departaments and Institutes related
  • Creador: Departamento: Mecánica de Medios Continuos y Teoría de Estructuras
  • Departamento: Matemática e Informática Aplicadas a la Ingenierías Civil y Naval
S2i 2020 Observatorio de investigación @ UPM con la colaboración del Consejo Social UPM
Cofinanciación del MINECO en el marco del Programa INNCIDE 2011 (OTR-2011-0236)
Cofinanciación del MINECO en el marco del Programa INNPACTO (IPT-020000-2010-22)