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The main object of the study was to depict couplings between the hydromechanical behaviour of compacted clayey soil and the mineralogical and microstructural transformations induced by high-pH water. This high-pH water could be generated by the degradation of concrete lining of deep galleries in the context of the storage of nuclear wastes in deep facilities. The tested material is the clay that comes...
The aim of the experimental study was to identify the local deformation properties in a clayey material which can be activated at the macroscopic ultimate state known by critical state. The approach consists of an extensive study, based on a Scanning Electron Microscope (SEM) picture analysis, of the orientation of the clay particles characterized in the last stages of triaxial loading.
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