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Propriétés physiques et caractéristiques géotechniques des terres noires du Sud-Est de la France

Abstract : A series of marls known as "Terres Noires", is often found throughout the southeast of France. Our research mainly aims at deepening our knowledge of geotechnical characteristics and behaviour of sound and weathered "Terres Noires" collected from three differents areas, Trièves, Draix and Barcelonnette. Classical identification tests of identification as: Atterberg Iimits, X-ray diffraction analysis... and more technical investigations using scanning electron microscope were performed. On the basis of mineralogical distinction, the "Terres Noires" of the three examined areas can be considered as a homogeneous Iithological unit whose different behaviours depend on carbonate content and microscopical fabric. As a scientific contribution to the geological and geotechnical investigations for a motorway project between Grenoble and Sisteron, the use of "Terres Noires" as earthfill material was studied in more details. The conclusion is that this is possible and the best conditions for that purpose, have beeen determined.
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Submitted on : Friday, November 25, 2011 - 2:33:00 PM
Last modification on : Friday, November 6, 2020 - 4:10:47 AM
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  • HAL Id : tel-00644886, version 1

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Thi San Ha Phan. Propriétés physiques et caractéristiques géotechniques des terres noires du Sud-Est de la France. Géologie appliquée. Université Joseph-Fourier - Grenoble I, 1993. Français. ⟨tel-00644886⟩

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