Authors: Wang, Fawu; Shibata, Hiroki

Source: Canadian Geotechnical Journal, Volume 44, Number 9, September 2007 , pp. 1128-1136(9)

Publisher: NRC Research Press

Abstract:

The mobility of flowslides is influenced by various factors. In this paper, laboratory flume tests were used to evaluate the influence of soil permeability using different soils with different permeabilities in a model slope, while keeping the slope condition and artificial rainfall intensity constant. It was found that the permeability of soil has a significant influence on the initialization of flowslides and that there is an optimal soil permeability existing for the mobility of flowslides when rainfall intensity is kept constant.

La mobilité de glissements de terrain est influencée par divers facteurs. Dans cet article, au moyen d'essais dans un canal en laboratoire, on a évalué l'influence de la perméabilité du sol en utilisant différents sols avec différentes perméabilités dans un modèle de talus, tout en gardant constantes la condition du talus et l'intensité de la pluie. On a trouvé que la perméabilité du sol a une influence appréciable sur le déclenchement des glissements, et qu'il existe une perméabilité optimale du sol pour la mobilité des glissements de terrain lorsque l'intensité de la pluie est gardée constante.

Document Type: Research article

Publication date: 2007-09-01

More about this publication?

• Published since 1963, this monthly journal features articles, notes, and discussions related to new developments in geotechnical and geoenvironmental engineering, and applied sciences. The topics of papers written by researchers, theoreticians, and engineers/scientists active in industry include soil and rock mechanics, material properties and fundamental behaviour, site characterization, foundations, excavations, tunnels, dams and embankments, slopes, landslides, geological and rock engineering, ground improvement, hydrogeology and contaminant hydrogeology, geochemistry, waste management, geosynthetics, offshore engineering, ice, frozen ground and northern engineering, risk and reliability applications, and physical and numerical modelling. Papers on actual case records from practice are encouraged and frequently featured.
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