Mr. Marc Abdel Nour Profile

Marc Abdel Nour

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Proceedings Article | 9 May 2024 Presentation + Paper

Structural health monitoring of civil infrastructures using smart sensor networks

Marc Abdel Nour, Pier Francesco Giordano, Maria Pina Limongelli

Proceedings Volume 12949, 129490K (2024) https://doi.org/10.1117/12.3010385

KEYWORDS: Sensors, Interpolation, Structural health monitoring, Bridges, Vibration, Sensor networks, Data transmission

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Structural Health Monitoring (SHM) plays a vital role in maintaining the integrity of structures by providing continuous information about damage or anomalies. Vibration-based SHM, which focuses on the dynamic behavior of structures, offers insights into structural conditions through changes in dynamic properties. Among SHM approaches, damage localization is crucial for pinpointing the geometric location of damage. This paper proposes a method for damage localization using Short Time Fourier Transform and a Statistical Interpolation Damage Index. The proposed methodology is applied to a numerical case study involving a finite element beam model and to the S101 benchmark bridge, in Austria, demonstrating its efficacy in damage localization. The study also introduces a multi-level clustering approach to perform damage localization using smart decentralized sensor networks, able to reduce the volume of transmitted data and thereby the energy requirements. Results show promising outcomes in accurately identifying damage locations while minimizing data transmission.

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