Sustainable reuse of dredged sediments as pavement materials by cement and fly ash stabilization
Sign Up to like & getrecommendations! Published in 2020 at "Journal of Soils and Sediments"
DOI: 10.1007/s11368-020-02635-x
Abstract: Purpose The process of removing sediments from the bottom of dams generates large amounts of dredged sediments, which are considered waste. The purpose of this research was to present the results of testing conducted on… read more here.
Keywords: reuse; dredged sediment; pavement materials; sediment ... See more keywords
Technogenic deposits formed from dredged sediments deposition: toxic effects on earthworms
Sign Up to like & getrecommendations! Published in 2020 at "Journal of Soils and Sediments"
DOI: 10.1007/s11368-020-02737-6
Abstract: Dredged sediments are often disposed on land areas and can cause adverse effects on soil biota, since these materials generally may contain toxic agents. This work examines the ecotoxicological effects on earthworms exposed to technogenic… read more here.
Keywords: technogenic deposits; mineralogy; effects earthworms; deposition ... See more keywords
Model-based optimization of field-scale electrokinetic treatment of dredged sediments
Sign Up to like & getrecommendations! Published in 2017 at "Chemical Engineering Journal"
DOI: 10.1016/j.cej.2017.07.004
Abstract: Abstract We developed a methodology for the cost optimization of electrokinetic treatment porous media contaminated by toxic metals. A two-dimensional reactive-transport model was implemented to simulate the transport of chemical species by diffusion, electromigration and… read more here.
Keywords: methodology; electrokinetic treatment; field; treatment ... See more keywords
Preparation of non-sintered lightweight aggregates from dredged sediments and modification of their properties
Sign Up to like & getrecommendations! Published in 2017 at "Construction and Building Materials"
DOI: 10.1016/j.conbuildmat.2016.11.088
Abstract: Abstract A novel preparation technique of non-sintered lightweight aggregates (LWAs) from dredged sediments was conducted in this study. In order to deal with the problem of hydration and low strength of the ceramsites without calcination,… read more here.
Keywords: shell; sintered lightweight; preparation non; dredged sediments ... See more keywords
The performances of the baking-free bricks of non-sintered wrap-shell lightweight aggregates from dredged sediments
Sign Up to like & getrecommendations! Published in 2020 at "Construction and Building Materials"
DOI: 10.1016/j.conbuildmat.2019.117587
Abstract: Abstract The massive accumulation of dredged sediments and the heavy consumption of gravel are urgent environmental problems in human productive activities. To overcome these issues, a new technology of baking-free bricks of non-sintered wrap-shell lightweight… read more here.
Keywords: sintered wrap; baking free; dredged sediments; non sintered ... See more keywords
Valorization of dredged sediments in self-consolidating concrete: Fresh, hardened, and microstructural properties
Sign Up to like & getrecommendations! Published in 2020 at "Journal of Cleaner Production"
DOI: 10.1016/j.jclepro.2020.121472
Abstract: Abstract Several studies have proven the use of dredged sediments as supplementary cementitious materials (SCMs), but limited information is available on the effect of such treated sediments on self-consolidating concrete performance. The main objective of… read more here.
Keywords: treated sediments; scc mixtures; sediments self; consolidating concrete ... See more keywords
Mechanical and microstructural properties of dredged sediments treated with cement and fly ash for use as road materials
Sign Up to like & getrecommendations! Published in 2020 at "Road Materials and Pavement Design"
DOI: 10.1080/14680629.2020.1772349
Abstract: Dredged sediments excavated or removed from reservoirs are classified as waste materials. The reuse of dredged sediments as road materials is an interesting solution to environmental problems. However, only the compaction technique without treatment by… read more here.
Keywords: mechanical microstructural; dredged sediments; microstructural properties; properties dredged ... See more keywords
Valorization of Dredged Sediments as a Component of Vibrated Concrete: Durability of These Concretes Against Sulfuric Acid Attack
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DOI: 10.1186/s40069-018-0270-7
Abstract: Hydraulic facilities are subjected to significant siltation which, in a very short period of time, can render them unusable. In Algeria, the silting-up of a great number of dams, built for drinking water needs and… read more here.
Keywords: valorization dredged; sulfuric acid; durability; acid attack ... See more keywords
Feasibility of Remediation of Heavy-Metal-Contaminated Marine Dredged Sediments by Active Capping with Enteromorpha Biochar
Sign Up to like & getrecommendations! Published in 2022 at "International Journal of Environmental Research and Public Health"
DOI: 10.3390/ijerph19094944
Abstract: Enteromorpha biochar (BC) has been proposed as a potential absorbent in the marine environments. This study attempts to understand the process of active capping using Enteromorpha BC to prevent the release of heavy metals (Pb… read more here.
Keywords: dredged sediments; active capping; heavy metals; enteromorpha biochar ... See more keywords