Use of dredgings for landfill. Technical report no.2. Stabilization of dredged material.

R. J. Krizek, G. D. Roderick, J. S. Jin

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The use of diked dredge sediments has the potential to provide landfill for community development projects. Successful realization of this objective requires that proper attention be given to the problems (a) possible surface water polution by the effluent from the containment area, (b) possible groundwater pollution by leachates from the dredged materials, and (c) stabilization of the soft sediments within the diked area. The results of this investigation indicate that (a) coagulation and precipitation effects of a promising flocculant will increase the sedimentation rate of dredged material slurries, thereby allowing more fine particles to be removed from the supernatants or a reduction in the retention time required to satisfy given effluent standards, and (b) leachates from dredged sediments in diked containment areas do not appear to cause any serious pollution problems, this latter conclusion is due in large part to the fact that the permeability of most clayey or silty dredged sediments is very low, the underlying soil has a natural ability to remove many of the contaminents, and any reasonable active groundwater can adequately dilute the relatively small amounts of contaminents that are leached through the soils. (A) (Microfiche)

Original languageEnglish (US)
Journal[No source information available]
StatePublished - 1978

ASJC Scopus subject areas

  • Engineering(all)


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