New Method Dewaters Dredged Material, Cuts Lagooning Space

Serial Information: Civil Engineering—ASCE, 1975, Vol. 45, Issue 4, Pg. 90-91

Document Type: Feature article


Disposal of the millions of cubic yards of dredged material produced each year in the maintenance of the nation's waterways is becoming a serious problem. Traditional methods (open-water dumping and retention in large diked lagoons) are fast becoming unsuitable alternatives, especially in light of current environmental regulations, land-use practices, and inflationary trends. A new method of dredged-material reclamation — based on repeated mechanical agitation of the material — has been developed. The method rapidly reduces the water content of the material, allowing it to be uniformly compacted. The re-use of on-land disposal sites is thus possible. The author demonstrated this technique to the Corps of Engineers as part of the Corps' Dredged Material Research Program.

Subject Headings: Dredged materials | Maintenance | Lagoons | Environmental issues | Land use | Material mechanics | Water content | Compaction (material)

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