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The Science behind Scour at Bridge Foundations: A Review

Department of European and Mediterranean Cultures, University of Basilicata, 75100 Matera, Italy
Department of Civil, Architectural and Environmental Engineering, University of Naples Federico II, via Claudio 21, 80125 Napoli, Italy
Department of Civil and Environmental Engineering, University of Strathclyde, 75 Montrose Street, Glasgow G1 1XJ, UK
Author to whom correspondence should be addressed.
Water 2020, 12(2), 374;
Received: 14 December 2019 / Revised: 12 January 2020 / Accepted: 22 January 2020 / Published: 30 January 2020
(This article belongs to the Special Issue Bridge Hydraulics: Current State of the Knowledge and Perspectives)
Foundation scour is among the main causes of bridge collapse worldwide, resulting in significant direct and indirect losses. A vast amount of research has been carried out during the last decades on the physics and modelling of this phenomenon. The purpose of this paper is, therefore, to provide an up-to-date, comprehensive, and holistic literature review of the problem of scour at bridge foundations, with a focus on the following topics: (i) sediment particle motion; (ii) physical modelling and controlling dimensionless scour parameters; (iii) scour estimates encompassing empirical models, numerical frameworks, data-driven methods, and non-deterministic approaches; (iv) bridge scour monitoring including successful examples of case studies; (v) current approach for assessment and design of bridges against scour; and, (vi) research needs and future avenues. View Full-Text
Keywords: scour; bridge foundations; Natural Hazards; floods scour; bridge foundations; Natural Hazards; floods
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Pizarro, A.; Manfreda, S.; Tubaldi, E. The Science behind Scour at Bridge Foundations: A Review. Water 2020, 12, 374.

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