Dredged Material Filled Geotextile Containers

by Jack Fowler, Geotechnical Lab.; Vicksburg, United States,
C. Joel Sprague, Geotechnical Lab.; Vicksburg, United States,

Document Type: Proceeding Paper

Part of: Coastal Zone '93


Design and construction of geotextile containers hydraulically and mechanically filled with a variety of dredged material types has gained popularity in the past few years because of their simplicity in placement and constructability, cost effectiveness and their minimum impact on the environment. Beneficial uses of fine-grained dredged material have been limited because of its high water content, low strength, low angle of repose, and lack of control as to where these materials may migrate. Containment of dredged material in geotextile tubes, bags or simply large containers, filled in place or filled in large bottom dump hopper barges and dumped below water has helped solve several difficult construction problems. Dike construction using long continuous tubes in wetlands, subdivision and perimeter dikes in dredged material disposal areas, under water stability berms, containment of contaminated materials, island construction, barrier island breach repair and twalweg and structural scour protection are examples of projects that could not have been completed without use of geotextile containment systems.

Subject Headings: Dredged materials | Strength of materials | Geosynthetics | Granular materials | Hydraulic design | Water pollution | Construction materials | Environmental issues

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