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One-dimensional electrokinetic stabilization of dredged mud

Malekzadeh, M. ; Sivakugan, N.

Marine georesources & geotechnology, 2017-07, Vol.35 (5), p.603-609 [Periódico revisado por pares]

Philadelphia: Taylor & Francis

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Título:
One-dimensional electrokinetic stabilization of dredged mud
Autor: Malekzadeh, M. ; Sivakugan, N.
Assuntos: Anodes ; Cathodes ; Compressibility ; Compression ; Consolidation ; Dewatering ; Drains ; dredged mud ; Dredging ; electrode configuration ; Electrodes ; Electrokinetics ; Geoengineering ; Kinetics ; Land reclamation ; Methods ; Moisture content ; Mud ; one-dimensional electrokinetic ; Permeability ; physiochemical changes ; Prefabrication ; Properties ; Sediment ; Sedimentation ; Sediments ; Soil ; Soil compressibility ; Soil permeability ; Soil properties ; Soil stabilization ; Spoil ; Vacuum ; Vertical drains ; Water content
É parte de: Marine georesources & geotechnology, 2017-07, Vol.35 (5), p.603-609
Descrição: Reuse of dredged marine sediments for land reclamation is a sustainable method for disposing the large quantities of dredged spoil, accumulating every year worldwide. However, due to their high water content and low permeability, dewatering and self-sedimentation of the material takes a long time to be completed. Therefore, different methods, such as prefabricated vertical drains and vacuum preloading, are used to improve the consolidation properties of the dredged mud at the port of Brisbane. Among these stabilization methods, vacuum preloading is determined as the most effective method to increase the consolidation of the dredged mud. However, clogging during vacuum consolidation is undesirable. Therefore, electrokinetic stabilization draws attention since it is an environmentally friendly and time efficient method to dewater and consolidate dredged mud significantly. The effectiveness of the electrokinetic stabilization depends on the properties of the soil and the electrode configurations. One-dimensional and two-dimensional electrode configurations are the most popular configurations. In this study, the effect of one-dimensional electrode configuration, which is installation of electrodes in arrays of anodes and cathodes on consolidation parameters of dredged mud, is investigated. Based on this study, the dredged mud sediments can be stabilized using one-dimensional electrokinetic stabilization which resulted in improving compression index and coefficient of volume compressibility and reduction of soil plasticity index.
Editor: Philadelphia: Taylor & Francis
Idioma: Inglês

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One-dimensional electrokinetic stabilization of dredged mud

Malekzadeh, M. ; Sivakugan, N.

Philadelphia: Taylor & Francis

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