Scour detection with monitoring methods and machine learning algorithms—a critical review

S Tola, J Tinoco, JC Matos, E Obrien - Applied Sciences, 2023 - mdpi.com
Foundation scour is a widespread reason for the collapse of bridges worldwide. However,
assessing bridges is a complex task, which requires a comprehensive understanding of the …

Extraction of bridge mode shapes from the response of a two-axle passing vehicle using a two-peak spectrum idealized filter approach

J Zhou, Z Lu, Z Zhou, C Pan, S Cao, J Cheng… - … Systems and Signal …, 2023 - Elsevier
Bridge mode shape is an essential indicator in the assessment of structural health of
bridges. Previous studies have demonstrated the feasibility of extracting bridge mode …

Exploring time-varying characteristics in drive-by bridge frequency extraction with the second-order synchrosqueezing transform

C Tan, H Zhao, EJ OBrien, N Uddin… - Journal of Bridge …, 2023 - ascelibrary.org
Recently, due to low cost and convenience, the concept of estimating the bridge's first
natural frequency through indirect measurements of a passing vehicle has gained …

Multi-hazard fragility modeling framework for bridges with shallow foundations subjected to earthquake, scour, and vehicular loading

S Biazar, S Kameshwar, GP Balomenos - Soil Dynamics and Earthquake …, 2024 - Elsevier
This study aims to advance knowledge on multi-hazard damage to shallow foundation
bridges subjected to simultaneous scour, earthquake, and vehicular loads. While most water …

[HTML][HTML] Indirect monitoring of frequencies of a multiple span bridge using data collected from an instrumented train: a field case study

A Malekjafarian, MA Khan, EJ OBrien, EA Micu… - Sensors, 2022 - mdpi.com
In this paper, a field study is carried out to monitor the natural frequencies of Malahide
viaduct bridge which is located in the north of Dublin. The bridge includes a series of simply …

Condition monitoring of railway bridges using vehicle pitch to detect scour

C McGeown, D Hester, EJ OBrien, CW Kim… - Sensors, 2024 - mdpi.com
This study proposes the new condition monitoring concept of using features in the measured
rotation, or 'pitch'signal, of a crossing vehicle as an indicator of the presence of foundation …

Laboratory investigation of a bridge scour monitoring method using decentralized modal analysis

MA Khan, DP McCrum, LJ Prendergast… - Structural Health …, 2021 - journals.sagepub.com
Scour is a significant issue for bridges worldwide that influences the global stiffness of
bridge structures and hence alters the dynamic behaviour of these systems. For the first time …

[HTML][HTML] Laboratory investigation on detecting bridge scour using the indirect measurement from a passing vehicle

B Zhang, H Zhao, C Tan, EJ OBrien, PC Fitzgerald… - Remote Sensing, 2022 - mdpi.com
For bridges with surface foundations, scour is one of the main reasons for bridge failures. In
regard to structural health monitoring, vibration-based scour detection techniques have …

Wavelet-based operating deflection shapes for locating scour-related stiffness losses in multi-span bridges

EJ OBrien, DP McCrum, MA Khan… - Structure and …, 2023 - Taylor & Francis
Scour erosion poses a significant risk to bridge safety worldwide and affects the stiffness of
the soil-foundation system, resulting in global changes in the dynamic behavior of the …

[HTML][HTML] In-field assessment of bridge pier scour by means of Fiber Bragg Gratings: System and algorithms

G Crotti, S Manzoni - Measurement, 2025 - Elsevier
Abstract BLESS (Bed LEvel Seeking System) is a sedimeter that measures riverbed level
around bridge pier in water. It is based on Fiber Bragg Gratings and the working principle is …