International Journal of
Physical Sciences

  • Abbreviation: Int. J. Phys. Sci.
  • Language: English
  • ISSN: 1992-1950
  • DOI: 10.5897/IJPS
  • Start Year: 2006
  • Published Articles: 2572

Full Length Research Paper

Sand water storage systems using coefficient of uniformity as surrogate for optimal design : A laboratory study

Olufisayo A. Olufayo1*, Frederick A. O. Otieno2 and George M. Ochieng1
1Department of Civil Engineering, Tshwane University of Technology, Private Bag X680, Pretoria 0001, South Africa. 2Technology, Innovation and Partnerships, Durban University of Technology, P.O. Box 1334, Durban 4000, South Africa.
Email: [email protected]

  •  Accepted: 05 July 2010
  •  Published: 04 August 2010

Abstract

Uneven surfaces of sand particles provide ideal opportunities, under arid conditions, for runoff to be stored in the voids of sandy riverbed of ephemeral river. Series of laboratory experiments were performed to study major controlling parameters of sedimentation in sand water storage in order to optimize storage potential. Analysis was based on coefficient of uniformity of grain size distributions of deposited sediments. Ideally, desirable sediment grade for optimal water storage in sand reservoir is uniform sand grade with coefficient of uniformity less than 5. The results can be used to determine height of weir given required grade of sand and the flow conditions.

 

Key words: Floodwater harvesting, sedimentation, sand river, groundwater storages.

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This article is published under the terms of the Creative Commons Attribution License 4.0

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