European journal of environmental and civil engineering : revue européenne de génie civil, Vol. 15 N° 8. European journal of environmental and civil engineering - Août 2011
| Titre : | European journal of environmental and civil engineering : revue européenne de génie civil, Vol. 15 N° 8. European journal of environmental and civil engineering - Août 2011 |
| Type de document : | Bulletin |
| Paru le : | 16/02/2012 |
Dépouillements
Article : texte imprimé
Vera M. Van Beek, Auteur ;
Han Knoeff, Auteur ;
Hans Sellmeijer, Auteur
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Small-, medium- and full-scale experiments are performed to investigate the process of backward erosion piping and to validate the model of Sellmeijer. The observed processes are described in this article and are divided in four phases: seepage,[...]
Article : texte imprimé
Hans Sellmeijer, Auteur ;
Juliana Lopez de la Cruz, Auteur ;
Vera M. Van Beek, Auteur
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A semi-theoretical model is available to estimate the effect of backward erosion piping by underseepage in a dike by computing the critical head. The model accounts for the groundwater flow through the subsoil, pipe flow through the erosion chan[...]
Article : texte imprimé
Mohamad R. Salehi Sadaghiani, Auteur ;
Karl Josef Witt, Auteur
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The suffusion processes could be generated by internal seepage flows within dams and dikes. Grain size distribution and porosity change during suffusion processes in negative aspect. Recently the failure of many dams and dikes has been observed [...]
Article : texte imprimé
Pierre-Louis Regazzoni, Auteur ;
Didier Marot, Auteur
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Erosion is one of the main causes of instabilities within hydraulic earth structures. Two types of erosion can be distinguished: suffusion and interface erosion. This paper deals with the interface erosion phenomenon and the Jet Erosion Test is [...]
Article : texte imprimé
Cottereau, Régis, Auteur ;
Pedro Diez, Auteur
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We present in this paper a numerical model of the erosion of a soil that accounts for both the flow in the open fluid and the flow of fluid through the porous soil. The interface between the open fluid and the soil is represented using a level-s[...]
Article : texte imprimé
Stéphane Bonelli, Auteur ;
Didier Marot, Auteur
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Suffusion is the internal erosion process by which finer soil particles are detached from the solid matrix, and transported through constrictions by seepage flow. At the macroscopic scale, this is a bulk erosion process and corresponds to a sour[...]
Article : texte imprimé
Frédéric Golay, Auteur ;
Stéphane Bonelli, Auteur
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Suffusion is an internal erosion process which occurs when finer soil particles are detached by seepage flow and start moving within the pore space of larger particles. Suffusion can be viewed as clay/water interface erosion. The aim of this stu[...]
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