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Early structural stability of fine dam sediment in soil construction

Gaëtan Fourvel 1 Laure Vidal Beaudet 1 Agathe Le Bocq 2 Violaine Brochier 3 François Théry David Landry 4 Thagshayini Kumarasamy Patrice Cannavo 1
1 EPHOR - Unité de Recherche Environnement Physique de la plante Horticole
2 EDF - EDF
3 VEOLIA France
4 LETG - Littoral, Environnement, Télédétection, Géomatique UMR 6554
Abstract : Fine sediments accumulate upstream of hydroelectric dams. To ensure that dams can operate properly, most sediments are returned downstream reaches, but a portion of them have to be dredged and land managed. In parallel, using topsoil from agricultural parcels for urban greening is currently controversial because arable surface areas are decreasing. An alternative idea for protecting these natural resources consists in reusing fine dredged sediment to construct functional soils. The agronomical use of fine dredged sediment raises the question of its ability to provide acceptable physical properties for plant growth.
Keywords : Fine sediments Aggregate stability Aggregation factors Physical properties Soil construction
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https://hal-agrocampus-ouest.archives-ouvertes.fr/hal-01818877
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Submitted on : Monday, July 2, 2018 - 3:54:23 PM
Last modification on : Wednesday, June 3, 2020 - 1:32:03 AM

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CNRS | UNAM | EPHE | PSL | UNIV-RENNES2 | UNIV-BREST | UR2-HB | COMUE-NORMANDIE | UNIV-NANTES | EDF | UNIV-ANGERS | UNICAEN | LETG | UNIV-RENNES | AGROCAMPUS-OUEST | AGROCAMPUS-OUEST-UP-EPHOR

Citation

Gaëtan Fourvel, Laure Vidal Beaudet, Agathe Le Bocq, Violaine Brochier, François Théry, et al.. Early structural stability of fine dam sediment in soil construction. Journal of Soils and Sediments, Springer Verlag, 2018, 18 (7), pp.2647-2663. ⟨10.1007/s11368-018-1926-2⟩. ⟨hal-01818877⟩

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