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Internal Erosion of Clayey Soils Protected by Granular Filters
2012
La houille blanche
The process of internal erosion in an embankment dam with granular filters can be divided in five stages: (i) formation of the crack through the core, (ii) erosion of material from the crack walls due to the shear stress applied by flowing water, (iii) transport of eroded particles to the filter, (iv) retention or percolation of these particles within the filter, (v) continuation of erosion leading to piping failure, or sealing of the crack. The process is quite well known in case of
doi:10.1051/lhb/2012029
fatcat:wwn7z4zg55babhvorzescauqym