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Structural Monitoring and Maintenance Volume 11, Number 2, June 2024 , pages 149-171 DOI: https://doi.org/10.12989/smm.2024.11.2.149 |
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Theoretical and practical discussion of drive-by monitoring of railway bridges using in-service vehicles |
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Achraf Zouizza and Malika Azmi
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| Abstract | ||
| Drive-by monitoring (also known as indirect monitoring or mobile sensing) of bridges has obvious advantages when compared to other approaches of Structural Health Monitoring. The underlying concept involves leveraging the coupling between the vertical vibrations of the bridge and those generated in the passing vehicle. In this scenario, the vehicle serves as both the initiator and recipient of the vibrations, which can provide information on the structural condition of the bridge. In the literature, a wide range of methods has been proposed, primarily focused on highway bridges. However, limited research has been published to assess the suitability of indirect methods for monitoring railway bridges, bounded to numerical studies based on theoretical simulations and, rarely, on experimental investigations. The aim of this work is to contribute to filling this gap and explore the feasibility of implementing drive-by monitoring for railway bridges using in-service vehicles and discuss its potential applicability, from theoretical and practical point of view, with illustration through real case studies from the Moroccan railway network. | ||
| Key Words | ||
| drive-by monitoring; railway bridges; sensors, structural damage; structural health monitoring; vibrations | ||
| Address | ||
| Achraf Zouizza and Malika Azmi: Ecole Hassania des Travaux Publics, Casablanca, Morocco | ||
