Erosion of the Slopes of Gold Tailings Dams

by Geoffrey E. Blight, Univ of the Witwatersrand, Johannesburg, South Africa,

Document Type: Proceeding Paper

Part of: Geotechnical Practice for Waste Disposal '87


A study has been made of rates of erosion from the slopes of gold-residue dams in the South African Highveld region. Data is available for two years at this time and conclusions must therefore be regarded as tentative. Nevertheless, some useful correlations have been established that enable quantitative predictions to be made of the annual tonnage of residue that will be lost from a slope. This information can be used for designing the capacity of erosion-containing structures, estimating desilting requirements and deciding on whether or not a slope will require protection against erosion.

Subject Headings: Piping erosion | Slopes | Mine wastes | Embankment dams | Dams | Soil treatment | Developing countries | South Africa | Africa

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