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The upper bound of abutment scour defined by selected laboratory and field data

South Carolina Department of Transportation
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Abstract

The U.S. Geological Survey, in cooperation with the South Carolina Department of Transportation, conducted a field investigation of abutment scour in South Carolina and used that data to develop envelope curves defining the upper bound of abutment scour. To expand upon this previous work, an additional cooperative investigation was initiated to combine the South Carolina data with abutment-scour data from other sources and evaluate the upper bound of abutment scour with the larger data set. To facilitate this analysis, a literature review was made to identify potential sources of published abutment-scour data, and selected data, consisting of 446 laboratory and 331 field measurements, were compiled for the analysis. These data encompassed a wide range of laboratory and field conditions and represent field data from 6 states within the United States. The data set was used to evaluate the South Carolina abutment-scour envelope curves. Additionally, the data were used to evaluate a dimensionless abutment-scour envelope curve developed by Melville (1992), highlighting the distinct difference in the upper bound for laboratory and field data. The envelope curves evaluated in this investigation provide simple but useful tools for assessing the potential maximum abutment-scour depth in the field setting.

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Additional publication details

Publication type Conference Paper
Publication Subtype Conference Paper
Title The upper bound of abutment scour defined by selected laboratory and field data
Year Published 2015
Language English
Contributing office(s) South Atlantic Water Science Center
Description 7 p.
Larger Work Type Conference Paper
Larger Work Title Proceedings of the 5th Federal Interagency Hydrologic Modeling Conference and the 10th Federal Interagency Sedimentation Conference
Conference Title 5th Federal Interagency Hydrologic Modeling Conference and the 10th Federal Interagency Sedimentation Conference
Conference Location Reno, Nevada
Conference Date April 19-23, 2015
Country United States
State South Carolina
Online Only (Y/N) N
Additional Online Files (Y/N) N