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Settlement and Stability of Ocean Disposal Mounds

by Kenneth R. Demars, Univ of Connecticut, Dep of Civil, Engineering, Storrs, CT, USA,
Richard P. Long, Univ of Connecticut, Dep of Civil, Engineering, Storrs, CT, USA,
Steven Stanton, Univ of Connecticut, Dep of Civil, Engineering, Storrs, CT, USA,
William Charleton, Univ of Connecticut, Dep of Civil, Engineering, Storrs, CT, USA,



Document Type: Proceeding Paper

Part of: Dredging and Dredged Material Disposal

Abstract:

This study examines the engineering behavior of dredged material disposal mounds in Long Island Sound. The study area is located about eight miles off the coast of New Haven where several mounds have been developed in a designated area. Some of the mounds contain contaminated sediment which has been capped with a layer of clean material to isolate contaminants from the benthic population. Site investigations include the use of replicate bathymetric profiling data to assess mound deformations with time. Sediment samples have been recovered from selected mounds and the natural seabed and geotechnical tests performed for purposes of sediment classification and evaluation of strength and compression behavior.

Subject Headings: Ocean engineering | Site investigation | Sediment | Material properties | Dredged materials | Compressive strength | Underwater construction

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