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Submerged-Flow Bridge Scour under Maximum Clear-Water Conditions (I): Experiment

Guo, J. / Kerenyi, K. / Pagan-Ortiz, J. E. / Flora, K. / Afzal, B.

Submerged-flow bridge scour at clear water threshold condition has been studied experimentally. The experiments were conducted in a self contained re-circulating tilting flume where two uniform sediment sizes and two model bridge decks with eight different inundation levels were tested for scour morphology. The experiments showed that the longitudinal scour profiles before the maximum scour depth can be approximated by a 2-D similarity profile, while the scour morphology after the maximum scour depth is 3-D. Finally, two empirical similarity equations for scour profiles were proposed for design purpose, and the collected data set could be used for analytical studies of bridge scour.

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Submerged-Flow Bridge Scour under Maximum Clear-Water Conditions (I): Experiment

Guo, J. / Kerenyi, K. / Pagan-Ortiz, J. E. / Flora, K. / Afzal, B.

Submerged-flow bridge scour at clear water threshold condition has been studied experimentally. The experiments were conducted in a self contained re-circulating tilting flume where two uniform sediment sizes and two model bridge decks with eight different inundation levels were tested for scour morphology. The experiments showed that the longitudinal scour profiles before the maximum scour depth can be approximated by a 2-D similarity profile, while the scour morphology after the maximum scour depth is 3-D. Finally, two empirical similarity equations for scour profiles were proposed for design purpose, and the collected data set could be used for analytical studies of bridge scour.

Submerged-Flow Bridge Scour under Maximum Clear-Water Conditions (I): Experiment

Guo, J. / Kerenyi, K. / Pagan-Ortiz, J. E. / Flora, K. / Afzal, B.

Submerged-flow bridge scour at clear water threshold condition has been studied experimentally. The experiments were conducted in a self contained re-circulating tilting flume where two uniform sediment sizes and two model bridge decks with eight different inundation levels were tested for scour morphology. The experiments showed that the longitudinal scour profiles before the maximum scour depth can be approximated by a 2-D similarity profile, while the scour morphology after the maximum scour depth is 3-D. Finally, two empirical similarity equations for scour profiles were proposed for design purpose, and the collected data set could be used for analytical studies of bridge scour.

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Title:

Submerged-Flow Bridge Scour under Maximum Clear-Water Conditions (I): Experiment

Contributors:

Guo, J. (author) / Kerenyi, K. (author) / Pagan-Ortiz, J. E. (author) / Flora, K. (author) / Afzal, B. (author)

Conference:

International Conference on Scour and Erosion (ICSE-5) 2010 ; 2010 ; San Francisco, California, United States

Published in:

Scour and Erosion ; 807-814

Publication date:

2010-10-29

ISBN:

DOI:

https://doi.org/10.1061/41147(392)80

Type of media:

Conference paper

Type of material:

Electronic Resource

Language:

English

Keywords:

Slope stability , Numerical models , Bridges , Infrastructure , Case studies , Coastal environment , Submerged flow , Experimentation , Scour , Soil erosion

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