Assessing the suitability of bridge-scour-monitoring devices
Paul J Vardanega, Gianna Gavriel, Maria Pregnolato, Author Affiliations
Published Online: April 14, 2021
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Abstract
Bridge scour is a complex bridge-management problem. It is also a difficult forensic engineering challenge, as the greatest risk occurs during large flows and flood events, when visual inspection of the bridge piers is often not possible. This paper presents a review of scour prediction and modelling methods, whose results are used to determine the key parameters that scour-monitoring systems need to capture. Then, a review of existing monitoring approaches and technologies for scour monitoring is presented. The paper concludes with the proposal of a novel rating system for evaluating different scour-monitoring techniques. The new rating system is trialled ex-post for seven previously published bridge-scour-monitoring case studies to illustrate the use of the new methodology.
Keywords: bridges floods & floodworks foundations
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Paul J Vardanega,Gianna GavrielandMaria Pregnolato
