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Backwater of arch bridges under free and submerged conditions

Martin-Vide, J.P. / Prio, J.M.

Experimental research on backwater effects in semicircular arch bridges is reported. Both pressurized and free-surface flows at the bridge were investigated. Flows on a mobile bed in clear-water conditions were compared to those with a rigid bed. Methodologies for backwater computation by Yarnell, the US Geological Survey, the US Department of Transportation and the HEC-RAS model were compared with the experimental data. A simple expression for the head loss coefficient as a function of the obstructed bridge area is derived.

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Backwater of arch bridges under free and submerged conditions

Martin-Vide, J.P. / Prio, J.M.

Experimental research on backwater effects in semicircular arch bridges is reported. Both pressurized and free-surface flows at the bridge were investigated. Flows on a mobile bed in clear-water conditions were compared to those with a rigid bed. Methodologies for backwater computation by Yarnell, the US Geological Survey, the US Department of Transportation and the HEC-RAS model were compared with the experimental data. A simple expression for the head loss coefficient as a function of the obstructed bridge area is derived.

Backwater of arch bridges under free and submerged conditions

Martin-Vide, J.P. / Prio, J.M.

Experimental research on backwater effects in semicircular arch bridges is reported. Both pressurized and free-surface flows at the bridge were investigated. Flows on a mobile bed in clear-water conditions were compared to those with a rigid bed. Methodologies for backwater computation by Yarnell, the US Geological Survey, the US Department of Transportation and the HEC-RAS model were compared with the experimental data. A simple expression for the head loss coefficient as a function of the obstructed bridge area is derived.

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Title:

Backwater of arch bridges under free and submerged conditions

Contributors:

Martin-Vide, J.P. (author) / Prio, J.M. (author)

Published in:

Journal of Hydraulic Research ; 43 ; 515-521

Publication date:

2005-09-01

Size:

7 pages

ISSN:

0022-1686 , 1814-2079

DOI:

https://doi.org/10.1080/00221680509500149

Type of media:

Article (Journal)

Type of material:

Electronic Resource

Language:

English

Keywords:

Backwater , bridge , afflux , arch , scour

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