TITLE

A case record of tailings dam construction using residual soils

AUTHOR(S)
Bedell, Philip R; Firlotte, Frederick W; Atherton, Kevin
PUB. DATE
April 2002
SOURCE
Canadian Geotechnical Journal;Apr2002, Vol. 39 Issue 2, p409
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
For cost effective construction, it is often necessary to optimize the use of on-site materials. At the Omai Gold Mine in Guyana, South America, tropical residual soils are used for construction of the tailings storage facility. At present, the geotechnical characteristics of residual soils have not been investigated or reported to the extent that transported soils have been. Geotechnical design and construction with these tropical residual soils can present unique challenges and problems. This case record outlines the investigation and construction procedures for the facility and provides a sample of the typical geotechnical engineering properties exhibited by the native tropical soils. In addition, data on observed behaviour and experience obtained handling and placing the materials as well as the performance of the structures during construction are provided.Key words: tropical residual soils, geotechnical design, tailings storage facility.Dans le but de réaliser une construction à moindre coût, il est souvent nécessaire d'optimiser l'utilisation des matériaux en place. À la Omai Gold Mine en Guyanne, Afrique du Sud, des sols résiduels tropicaux ont été utilisés pour la construction d'installations pour l'entreposage de stériles. Jusqu'à ce jour, les caractéristiques géotechniques des sols résiduels n'ont pas été étudiées ou publiées autant qu' ont pu l'être celles des sols transportés. La conception et la construction géotechniques avec les sols résiduels tropicaux peuvent offrir des défis et des problèmes uniques. La présente histoire de cas décrit les procédures pour l'étude et la construction des installations et fournit un échantillonnage des propriétés mécaniques et géotechniques trouvées dans les sols tropicaux locaux. De plus, on fournit des données sur le comportement observé et sur l'expérience acquise dans la manipulation et la mise en place des matériaux de même que sur la performance des structures au cours de la construction. Mots clés : sols résiduels tropicaux, conception géotechnique, installations d'entreposage de stériles.[Traduit par la Rédaction]
ACCESSION #
10587689

 

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