Engineering Commons^™

Effect Of Particle Shape And Size On Compressibility Behavior Of Dredged Sediment In A Geotextile Tube Dewatering Application, Louis Lafata

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Each year, more than 250 million cubic yards of sediment need to be dredged from U.S. ports, harbors and waterways to maintain navigability. This is accomplished by dredging, the process of excavating submerged sediment by means of scooping or suction. Dredged sediments have low solids content, typically between 10% and 20% for hydraulic dredging. Geotextile tubes are one of many methods utilized to dewater these sediments, which is a process of removing water from sediment that contains low percent solids. Understanding the engineering behavior of slurries inside geotextile tubes is critical for the evaluation of the properties of the dewatered …