Probablistic bridge pier scour factors

Peggy Ann Johnson, Paul Clopper, Lyle Zevenbergen

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

Over the past 40 years, numerous studies have been conducted and equations developed to predict bridge-pier scour. Although it is desired to have a conservative approach to scour to increase our sense of safety and reliability, field experience often leads bridge and hydraulics engineers to suspect that the equations over-predict scour at a significant level. To date, few studies have been undertaken to quantify the reliability of the scour equations in terms of probability of exceedance. In this study, we used available laboratory data to determine the probability that the design scour will be exceeded using two pier scour equations, both recommended by the Federal Highway Administration: (1) HEC-18 equation and (2) FDOT equation.

Original languageEnglish (US)
Title of host publicationVulnerability, Uncertainty, and Risk
Subtitle of host publicationQuantification, Mitigation, and Management - Proceedings of the 2nd International Conference on Vulnerability and Risk Analysis and Management, ICVRAM 2014 and the 6th International Symposium on Uncertainty Modeling and Analysis, ISUMA 2014
EditorsJim W. Hall, Siu-Kui Au, Michael Beer
PublisherAmerican Society of Civil Engineers (ASCE)
Pages2720-2723
Number of pages4
ISBN (Electronic)9780784413609
DOIs
StatePublished - Jan 1 2014
Event2nd International Conference on Vulnerability and Risk Analysis and Management, ICVRAM 2014 and the 6th International Symposium on Uncertainty Modeling and Analysis, ISUMA 2014 - Liverpool, United Kingdom
Duration: Jul 13 2014Jul 16 2014

Publication series

NameVulnerability, Uncertainty, and Risk: Quantification, Mitigation, and Management - Proceedings of the 2nd International Conference on Vulnerability and Risk Analysis and Management, ICVRAM 2014 and the 6th International Symposium on Uncertainty Modeling and Analysis, ISUMA 2014

Other

Other2nd International Conference on Vulnerability and Risk Analysis and Management, ICVRAM 2014 and the 6th International Symposium on Uncertainty Modeling and Analysis, ISUMA 2014
CountryUnited Kingdom
CityLiverpool
Period7/13/147/16/14

All Science Journal Classification (ASJC) codes

  • Safety, Risk, Reliability and Quality

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