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Contribution à l'étude des sédiments marins tunisiens : cas des ports de Radès et de Gabès

Abstract : Commercial harbors, which represent the basis for numerous exchanges of goods and services at the national and international levels, play a key role in the Tunisian economy. Then, dredging of accumulated sediments has always been required to have a proper functioning of trade by sea. These sediments are either discarded at sea or landfilled. Disposal at sea is prohibited for polluted sediments but it remains the most adopted solution in Tunisia as it is the cheapest one.The objective of this research project is to study the environmental and geotechnical characteristics of sediments dredged from two Tunisian harbors: Rades and Gabes and to find new paths of management of at least one of these dredged sediments. Focus is made on the possibility of a recycling method, which consists in the reuse of sediments as added product in construction or road materials. This solution should have a great economic and environmental interest. The first harbor represents the main facility place in the national transport chain. The second one is selected as its sediments present a serious ecological constraint caused by the discharge of wastes into the marine environment. Physical, chemical, mineralogical and environmental characteristics are determined in order to draw up an accomplished synopsis of studied sediments
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Imen Bel Hadj Ali. Contribution à l'étude des sédiments marins tunisiens : cas des ports de Radès et de Gabès. Autre. Ecole Centrale de Lille; École nationale d'ingénieurs de Tunis (Tunisie), 2013. Français. ⟨NNT : 2013ECLI0022⟩. ⟨tel-00957865⟩

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