Abstract
Internal erosion is one of the main causes of instabilities within hydraulic earth structures. The occurrence of breach in new structures underlines the emergency to quantify phenomena induced. Over the years, several methods have been developed to characterize and model internal erosion. The intention of this paper is to present a new experimental device named Cross Erosion Test (CET) and devoted to the characterisation of internal erosion. This test consists of the injection, in a first drilling, of clear water and the recovery, in another drilling, of water charged with particles. With this technique, main processes occurred can be identified. Moreover, preliminary experimental results show the possibility to characterize suffusion into a specific soil.
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