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Open AccessArticle

Non-Intrusive Underwater Measurement of Local Scour Around a Bridge Pier

Department of Environment, Land and Infrastructure Engineering, Politecnico di Torino, Corso Duca degli Abruzzi 24, 10129 Turin, Italy
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Water 2019, 11(10), 2063; https://doi.org/10.3390/w11102063
Received: 24 August 2019 / Revised: 24 September 2019 / Accepted: 30 September 2019 / Published: 2 October 2019
(This article belongs to the Special Issue Bridge Hydraulics: Current State of the Knowledge and Perspectives)
A non-intrusive low-cost technique for monitoring the temporal and spatial evolution of the scour hole around bridge piers is presented. The setup for the application of the technique is simple, low-cost and non-intrusive. It couples a line laser source and commercial camera to get a fast and accurate measurement of the whole scour hole in the front and behind the bridge pier. A short campaign of measurements of the scour hole around a bridge pier in clear-water conditions is presented to provide a control test and to show how to apply the new method. Finally, the results are compared with two of the most used equations, for the time evolution of the maximum scour depth in clear-water conditions, to show the effectiveness of the proposed technique. View Full-Text
Keywords: bridge pier scour; new experimental technique bridge pier scour; new experimental technique
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Poggi, D.; Kudryavtseva, N.O. Non-Intrusive Underwater Measurement of Local Scour Around a Bridge Pier. Water 2019, 11, 2063.

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