Preliminary comparison of scour depth estimation methods

Gianna Gavriel; Paul J Vardanega; Maria Pregnolato

doi:10.1201/9781003322641-261

Preliminary comparison of scour depth estimation methods

Gianna Gavriel^*, Paul J Vardanega, Maria Pregnolato

^*Corresponding author for this work

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Abstract

Bridge scour is a major cause of bridge collapse worldwide. Various approaches are available to estimate levels of scouring due to hydraulic loading. Such scour depth assessment methodologies typically employ a series of empirical and semi-empirical equations to estimate scour around a bridge element. This work
examines three such methodologies, namely the Hydraulic Engineering Circular Number 18 method (HEC-18) 4th edition, the HEC-18 5th edition method and the Texas A&M University method (TAMU). The paper compares the results from these three calculation methods with field data from 23 bridge piers (eight bridges) located in the State of Maine (USA). The paper investigates the levels of conservatism in the estimates of scour depth calculated using these three methodologies. All three approaches tend to give conservative estimates of maximum scour depth, especially for low values of scour depth, when compared to the field dataset examined in this paper.

Original language	English
Title of host publication	Bridge Safety, Maintenance, Management, Life-Cycle, Resilience and Sustainability
Subtitle of host publication	Proceedings of the Eleventh International Conference on Bridge Maintenance, Safety and Management (IABMAS 2022), Barcelona, Spain, July 11-15, 2022
Editors	Joan Ramon Casas, Dan M. Frangopol, Jose Turmo
Place of Publication	London
Publisher	CRC Press/Balkema, Taylor & Francis Group
Pages	2107-2113
Number of pages	7
Edition	1st
ISBN (Electronic)	9781003322641
ISBN (Print)	9781032345314
DOIs	https://doi.org/10.1201/9781003322641-261
Publication status	Published - 27 Jun 2022
Event	Eleventh International Conference on Bridge Maintenance, Safety and Management - Barcelona, Spain Duration: 11 Jul 2022 → 15 Jul 2022

Conference

Conference	Eleventh International Conference on Bridge Maintenance, Safety and Management
Abbreviated title	IABMAS 2022
Country/Territory	Spain
City	Barcelona
Period	11/07/22 → 15/07/22

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1 Citations
1 Conference Contribution (Conference Proceeding)

Using the USGS database to study parameter uncertainty when assessing pier scour using the HEC-18 framework
Gavriel, G., Pregnolato, M. & Vardanega, P. J., 28 Jun 2023, Life-Cycle of Structures and Infrastructure Systems: Proceedings of the Eighth International Symposium on Life-Cycle Civil Engineering (IALCCE 2023), 2-6 July 2023, Politecnico Di Milano, Milan, Italy. Biondini, F. & Frangopol, D. M. (eds.). Abingdon, Oxon: CRC Press/Balkema, Taylor & Francis Group, p. 3230-3237 8 p. (Proceedings of the ... international symposium on life cycle civil engineering (IALCCE)).
Research output: Chapter in Book/Report/Conference proceeding › Conference Contribution (Conference Proceeding)

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Gavriel, G., Vardanega, P. J., & Pregnolato, M. (2022). Preliminary comparison of scour depth estimation methods. In J. R. Casas, D. M. Frangopol, & J. Turmo (Eds.), Bridge Safety, Maintenance, Management, Life-Cycle, Resilience and Sustainability: Proceedings of the Eleventh International Conference on Bridge Maintenance, Safety and Management (IABMAS 2022), Barcelona, Spain, July 11-15, 2022 (1st ed., pp. 2107-2113). CRC Press/Balkema, Taylor & Francis Group. https://doi.org/10.1201/9781003322641-261

Gavriel, Gianna ; Vardanega, Paul J ; Pregnolato, Maria. / Preliminary comparison of scour depth estimation methods. Bridge Safety, Maintenance, Management, Life-Cycle, Resilience and Sustainability: Proceedings of the Eleventh International Conference on Bridge Maintenance, Safety and Management (IABMAS 2022), Barcelona, Spain, July 11-15, 2022. editor / Joan Ramon Casas ; Dan M. Frangopol ; Jose Turmo. 1st. ed. London : CRC Press/Balkema, Taylor & Francis Group, 2022. pp. 2107-2113

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abstract = "Bridge scour is a major cause of bridge collapse worldwide. Various approaches are available to estimate levels of scouring due to hydraulic loading. Such scour depth assessment methodologies typically employ a series of empirical and semi-empirical equations to estimate scour around a bridge element. This workexamines three such methodologies, namely the Hydraulic Engineering Circular Number 18 method (HEC-18) 4th edition, the HEC-18 5th edition method and the Texas A&M University method (TAMU). The paper compares the results from these three calculation methods with field data from 23 bridge piers (eight bridges) located in the State of Maine (USA). The paper investigates the levels of conservatism in the estimates of scour depth calculated using these three methodologies. All three approaches tend to give conservative estimates of maximum scour depth, especially for low values of scour depth, when compared to the field dataset examined in this paper.",

author = "Gianna Gavriel and Vardanega, {Paul J} and Maria Pregnolato",

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Gavriel, G , Vardanega, PJ & Pregnolato, M 2022, Preliminary comparison of scour depth estimation methods. in JR Casas, DM Frangopol & J Turmo (eds), Bridge Safety, Maintenance, Management, Life-Cycle, Resilience and Sustainability: Proceedings of the Eleventh International Conference on Bridge Maintenance, Safety and Management (IABMAS 2022), Barcelona, Spain, July 11-15, 2022. 1st edn, CRC Press/Balkema, Taylor & Francis Group, London, pp. 2107-2113, Eleventh International Conference on Bridge Maintenance, Safety and Management, Barcelona, Spain, 11/07/22. https://doi.org/10.1201/9781003322641-261

Preliminary comparison of scour depth estimation methods. / Gavriel, Gianna ; Vardanega, Paul J; Pregnolato, Maria.
Bridge Safety, Maintenance, Management, Life-Cycle, Resilience and Sustainability: Proceedings of the Eleventh International Conference on Bridge Maintenance, Safety and Management (IABMAS 2022), Barcelona, Spain, July 11-15, 2022. ed. / Joan Ramon Casas; Dan M. Frangopol; Jose Turmo. 1st. ed. London: CRC Press/Balkema, Taylor & Francis Group, 2022. p. 2107-2113.

Research output: Chapter in Book/Report/Conference proceeding › Conference Contribution (Conference Proceeding)

TY - GEN

T1 - Preliminary comparison of scour depth estimation methods

AU - Gavriel, Gianna

AU - Vardanega, Paul J

AU - Pregnolato, Maria

PY - 2022/6/27

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N2 - Bridge scour is a major cause of bridge collapse worldwide. Various approaches are available to estimate levels of scouring due to hydraulic loading. Such scour depth assessment methodologies typically employ a series of empirical and semi-empirical equations to estimate scour around a bridge element. This workexamines three such methodologies, namely the Hydraulic Engineering Circular Number 18 method (HEC-18) 4th edition, the HEC-18 5th edition method and the Texas A&M University method (TAMU). The paper compares the results from these three calculation methods with field data from 23 bridge piers (eight bridges) located in the State of Maine (USA). The paper investigates the levels of conservatism in the estimates of scour depth calculated using these three methodologies. All three approaches tend to give conservative estimates of maximum scour depth, especially for low values of scour depth, when compared to the field dataset examined in this paper.

AB - Bridge scour is a major cause of bridge collapse worldwide. Various approaches are available to estimate levels of scouring due to hydraulic loading. Such scour depth assessment methodologies typically employ a series of empirical and semi-empirical equations to estimate scour around a bridge element. This workexamines three such methodologies, namely the Hydraulic Engineering Circular Number 18 method (HEC-18) 4th edition, the HEC-18 5th edition method and the Texas A&M University method (TAMU). The paper compares the results from these three calculation methods with field data from 23 bridge piers (eight bridges) located in the State of Maine (USA). The paper investigates the levels of conservatism in the estimates of scour depth calculated using these three methodologies. All three approaches tend to give conservative estimates of maximum scour depth, especially for low values of scour depth, when compared to the field dataset examined in this paper.

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Gavriel G , Vardanega PJ, Pregnolato M. Preliminary comparison of scour depth estimation methods. In Casas JR, Frangopol DM, Turmo J, editors, Bridge Safety, Maintenance, Management, Life-Cycle, Resilience and Sustainability: Proceedings of the Eleventh International Conference on Bridge Maintenance, Safety and Management (IABMAS 2022), Barcelona, Spain, July 11-15, 2022. 1st ed. London: CRC Press/Balkema, Taylor & Francis Group. 2022. p. 2107-2113 doi: 10.1201/9781003322641-261

Preliminary comparison of scour depth estimation methods

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Research output

Using the USGS database to study parameter uncertainty when assessing pier scour using the HEC-18 framework

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