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Communication Dans Un Congrès Année : 2023

Environmental and economic assessment integrated into laboratory-based scenario development for the valorization of dredged sediment

Résumé

This study discusses the potential environmental and economic benefits of dredged sediment valorization in concrete in the framework of the circular economy. The goal is to find a sustainable way to use the sediment in concrete while maintaining its strength and not compromising the economy or environment. The maximum rate of sand substitution in concrete with sediment was found to be 40%, but sustainability was negated for rates above 20%. To optimize sustainability, a compromise between concrete strength and workability, economic and environmental impacts, and sediment transport must be reached. Lack of environmental and economic assessments in valorization scenarios may lead to non-sustainable practices.

Dates et versions

hal-04194711 , version 1 (04-09-2023)

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Tara Soleimani, Mahmoud Hayek, Guillaume Junqua, Marie Salgues, Jean-Claude Souche. Environmental and economic assessment integrated into laboratory-based scenario development for the valorization of dredged sediment. CEST 2023 - 18th International Conference on Environmental Science and Technology, Aug 2023, Athens, Greece. ⟨10.30955/gnc2023.00020⟩. ⟨hal-04194711⟩
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