| 4 | From dredged sediment to supplementary cementitious material: characterization, treatment, and reuse显示文摘Nowadays,the preservation of natural resources,the reuse,and the recycling of waste and by-products in the cement industry are gaining increasing attention in a sustainable development project.In this perspective,many studies focus on finding solutions in order to propose environmentally friendly materials.Nowadays the sediments represent a way to preserve the natural resources by their reuse as a secondary raw material in multiple applications(concrete,roads,landscaped mound,etc.).However,they commonly contain contaminants,organic matter(5%-30%),high water content(50%-200%),and relatively small particle size(Dmax≤300 mm).Therefore to improve the mechanical properties of this material as well as its physiochemical ones,specific methods of characterization and appropriate treatment techniques(calcination,chemical treatment,etc.)are required.This article presents a bibliographical review of the efficient use of sediments in cementitious matrix.It details experimental tests that must be performed to ensure the durability of sediment-based structure and assess their environmental impact under prescribed conditions. | Mouhamadou Amar Mahfoud Benzerzour Joelle Kleib Nor-Edine Abriak | 2021 | International Journal of Sediment Research2021，36，1： | 1 |
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