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Scour at Bridge Piers Protected by the Riprap Sloping Structure: A Review

Stochastic Assessment of Scour Hazard

Instituto de Ingeniería, Universidad Nacional Autónoma de Mexico, Mexico City 04510, Mexico
Departamento de Materiales, Universidad Autónoma Metropolitana, Mexico City 02200, Mexico
Author to whom correspondence should be addressed.
Academic Editor: Mouldi Ben Meftah
Water 2022, 14(3), 273;
Received: 31 December 2021 / Revised: 10 January 2022 / Accepted: 11 January 2022 / Published: 18 January 2022
Scour is the most frequent cause of bridge collapses in Mexico. Bridges located along the Mexican Pacific coast are exposed to extreme rainfall originating from tropical storms and hurricanes. Such environmental phenomena trigger sediment loss, which is known as scour. If maintenance actions are not taken after scouring events, the scour depth increases over time until the bridge collapses. A methodology to estimate the scour hazard considering both the scour–fill interaction and the Monte Carlo simulation method is proposed. The general extreme value probability distribution is used to characterize the intensity of the scouring events, the lognormal distribution is used to characterize the sedimentation process (fill), and a homogeneous Poisson process is used to forecast the occurrence of both types of events. Based on the above, several histories of scour–fill depths are made; such simulations are then used to develop time-dependent scour hazard curves. Different hazard curves associated with different time intervals are estimated for a bridge located in Oaxaca, Mexico. View Full-Text
Keywords: scour; stochastic analysis; forecasting; extreme events scour; stochastic analysis; forecasting; extreme events
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MDPI and ACS Style

Flores-Vidriales, D.; Gómez, R.; Tolentino, D. Stochastic Assessment of Scour Hazard. Water 2022, 14, 273.

AMA Style

Flores-Vidriales D, Gómez R, Tolentino D. Stochastic Assessment of Scour Hazard. Water. 2022; 14(3):273.

Chicago/Turabian Style

Flores-Vidriales, David, Roberto Gómez, and Dante Tolentino. 2022. "Stochastic Assessment of Scour Hazard" Water 14, no. 3: 273.

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