Design of Ash Basin Dike across Cove

by William R. Ross, Duke Power Co, Charlotte, NC, USA,

Document Type: Proceeding Paper

Part of: Geosynthetics for Soil Improvement


Embankments built over soft, unstable foundation materials had required that the materials either be removed or reinforced. With the introduction of geotextiles, it is now economically feasible to build a structurally sound 'floating' embankment. Utilizing dredged flyash as the foundation material, a dike was built across a cove using a geotextile for a greater dispersion of the load and consequently less settlement. The use of flyash as the dike core material permitted the reduction of embankment dead load. The dike design was based on the ultimate strength of the geotextile.

Subject Headings: Ashes | Basins | Levees and dikes | Recycling | Dead loads | Dredged materials | Strength of materials | Soil stabilization

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