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AuthorJafari-Asl, Jafar
AuthorBen Seghier, Mohamed E.
AuthorOhadi, Sima
AuthorDong, You
AuthorPlevris, Vagelis
Available date2024-07-21T06:24:21Z
Publication Date2021
Publication NameModelling
ResourceScopus
Identifierhttp://dx.doi.org/10.3390/modelling2010004
ISSN26733951
URIhttp://hdl.handle.net/10576/56852
AbstractIn this work, the performance of reliability methods for the probabilistic analysis of local scour at a bridge pier is investigated. The reliability of bridge pier scour is one of the important issues for the risk assessment and safety evaluation of bridges. Typically, the depth prediction of bridge pier scour is estimated using deterministic equations, which do not consider the uncertainties related to scour parameters. To consider these uncertainties, a reliability analysis of bridge pier scour is required. In the recent years, a number of efficient reliability methods have been proposed for the reliability-based assessment of engineering problems based on simulation, such as Monte Carlo simulation (MCS), subset simulation (SS), importance sampling (IS), directional simulation (DS), and line sampling (LS). However, no general guideline recommending the most appropriate reliability method for the safety assessment of bridge pier scour has yet been proposed. For this purpose, we carried out a comparative study of the five efficient reliability methods so as to originate general guidelines for the probabilistic assessment of bridge pier scour. In addition, a sensitivity analysis was also carried out to find the effect of individual random variables on the reliability of bridge pier scour.
Languageen
PublisherMultidisciplinary Digital Publishing Institute (MDPI)
Subjectbridge pier
failure probability
reliability analysis
scour
simulation
subset simulation (SS)
TitleA Comparative Study on the Efficiency of Reliability Methods for the Probabilistic Analysis of Local Scour at a Bridge Pier in Clay-Sand-Mixed Sediments
TypeArticle
Pagination63-77
Issue Number1
Volume Number2
dc.accessType Open Access


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