Consolidation Characteristics of Dredging Slurries

by Abdelsalam M. Salem, Teaching Asst. in Civ. Engrg.; Technological Inst., Northwestern Univ., Evanston, IL,
Raymond J. Krizek, (M.ASCE), Prof. of Civ. Engrg.; Technological Inst., Northwestern Univ., Evanston, IL,


Serial Information: Journal of the Waterways, Harbors and Coastal Engineering Division, 1973, Vol. 99, Issue 4, Pg. 439-457


Document Type: Journal Paper

Abstract: With the population growth and the industrial development of a given region, the sediments dredged from the harbors and channels have become increasingly polluted. As an alternative to open water disposal, many of these dredgings are deposited behind dikes in areas near harbors; although more expensive than open water disposal, this latter scheme has been found to satisfactorily prevent the polluted sediment from reaching the open waters. Since dredging wastes usually contain a substantial amount of clay-like, or organic materials or both, with high water content, the effectiveness and economy of associated landfill operations are strongly related to the consolidation characteristics of the dredging slurries. In this work, special equipment is used to consolidate several typical dredging slurries that are too soft, or too fluid or both, to test by conventional means, and the resulting data are analyzed.

Subject Headings: Dredging | Water pollution | Dredged materials | Slurries | Ports and harbors | Population projection | Industries

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