Research Article
Mar 1964
Unwatering Akosombo Cofferdams
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VIEW THE REPLYPublication: Journal of the Soil Mechanics and Foundations Division
Volume 90, Issue 2
Abstract
A high and almost completely submerged rockfill and cofferdam was sealed by inducing artificial silting on its water face. First, the rockfill was placed by dumping, and carefully selected transition zone material was then placed on the slope of the rockfill. The water outside the cofferdam was rendered muddy by pumping clay and silt from the river bottom and discharging it near and along the water face of the cofferdam. At the same time, water was pumped from within the cofferdam, creating a differential head on the rockfill and the transition zone. Under the influence of this head, the suspended clay and silt penetrated the transition and made it watertight. The cofferdam was sealed and unwatered at an appreciable saving of time and money.
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Published In
Journal of the Soil Mechanics and Foundations Division
Volume 90 • Issue 2 • March 1964
Pages: 111 - 125
Copyright
© 1964 American Society of Civil Engineers.
History
Published in print: Mar 1964
Published online: Feb 12, 2021
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Authors
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Donald J. Bleifuss, F.ASCE
Consulting Engr., Atherton, Calif.
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ASCE Library Cards let you download journal articles, proceedings papers, and available book chapters across the entire ASCE Library platform. ASCE Library Cards remain active for 24 months or until all downloads are used. Note: This content will be debited as one download at time of checkout.
Terms of Use: ASCE Library Cards are for individual, personal use only. Reselling, republishing, or forwarding the materials to libraries or reading rooms is prohibited.
Terms of Use: ASCE Library Cards are for individual, personal use only. Reselling, republishing, or forwarding the materials to libraries or reading rooms is prohibited.