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TRB's National Cooperative Highway Research Program (NCHRP) Web-Only Document 249: Combining Individual Scour Components to Determine Total Scour explores the relationships among individual scour components observed in the same flow event at a bridge. The report provides insight into ways to combine scour components to produce realistic estimates of total scour depth for safe and economical design of bridge foundations. The scour components of interest are lateral contraction scour, abutment scour, vertical contraction or pressure scour, and local pier scour.

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Suggested Citation

National Academies of Sciences, Engineering, and Medicine. 2018. Combining Individual Scour Components to Determine Total Scour. Washington, DC: The National Academies Press. https://doi.org/10.17226/25046.

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Publication Info

289 pages |  8.5 x 11 |  DOI: https://doi.org/10.17226/25046
Chapters skim
Front Matter i-xx
Summary 1-7
1. Introduction 8-14
2. Background Research 15-53
3. Research Methodology 54-80
4. Research Findings 81-202
5. Methodology for Scour Depth Prediction 203-231
6. Conclusions and Recommendations 232-237
7. References 238-248
8. List of Symbols and Abbreviations 249-251
Appendix A. Bed Elevation Contours and Photographs at Equilibrium for Clear-Water Scour Experiments at Georgia Tech 252-259
Appendix B. Bed Elevation Contours and Photographs at Equilibrium for Live-Bed and Clear-Water Scour Experiments at University of Auckland 260-268

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