Research Article
Feb 1966
Snake River Bank Stabilization
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VIEW THE REPLYPublication: Journal of the Waterways and Harbors Division
Volume 92, Issue 1
Abstract
The Snake River in Idaho and Wyoming has annual floods that approximate 20,000 cfs. Stream beds have steep gradients, are composed of clean, sandy gravels and there is heavy bedload movement during floods. Channels are braided, subject to extensive changes during floods, and threaten adjacent farmland with erosion and evulsion. Experience with Corps of Engineers levees and bank protection along approximately 37 miles of the stream during the last 20 yr shows that failures of levees and riprap are generally caused by undermining, but such failures can be avoided by extending riprap below the active depth of bedload movement and scour. Stone size of riprap, as specified in engineering manuals, is sufficiently large but small stone and dirt that prevent interlock must be avoided. Riprap slopes should not be steeper than 1 on 2. Riprap can be overtopped several feet without damage, provided levee slopes are relatively flat and are protected with coarse gravel.
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Information & Authors
Information
Published In
Journal of the Waterways and Harbors Division
Volume 92 • Issue 1 • February 1966
Pages: 1 - 16
Copyright
© 1966 American Society of Civil Engineers.
History
Published in print: Feb 1966
Published online: Feb 12, 2021
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Authors
Affiliations
Leland B. Jones, F.ASCE
Chf., Foundations and Materials Branch, U. S. Army Engr. Dist., Alaska, Corps of Engineers
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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.