Clear‐Water Scour around Abutments in Floodplains
Publication: Journal of Hydraulic Engineering
Volume 120, Issue 8
Abstract
Clear‐water scour around a bridge abutment in the floodplain of a compound channel was investigated. Experiments were conducted in a flume with a fixed‐bed main channel and a movable‐bed floodplain in which the abutment terminated. Flow depth, discharge, compound‐channel geometry, and abutment length were varied, and measurements of approach velocity distribution and scour depth were obtained. A preliminary relationship for the dimensionless scour depth is suggested to illustrate the compound‐channel effects on scour. The proposed relationship is limited to the range of values covered by the variables in this study.
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Information & Authors
Information
Published In
Journal of Hydraulic Engineering
Volume 120 • Issue 8 • August 1994
Pages: 956 - 972
Copyright
Copyright © 1994 American Society of Civil Engineers.
History
Received: Oct 19, 1992
Published online: Aug 1, 1994
Published in print: Aug 1994
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