Embedded fibre optical strain monitoring of a bio-composite bridge

Onderzoeksoutput: Conference paperResearch

Samenvatting

Three pedestrian and bicycle bridges made from a fully recyclable bio-composite material are developed in the context of the Interreg NWE Smart Circular Bridge (SCB) project. These bridges incorporate Structural Health Monitoring (SHM) technology to assess their structural integrity and provide data for future designs. The SHM setup includes strain, vibration and environmental sensors. This paper focuses on the 90 strain and temperature sensors in the first circular bridge. The data shows a strong temperature dependency of the strain, which is addressed using a temperature compensation strategy. Traditional polynomial temperature compensation is compared to a strategy using the Savitsky-Golay filter, the latter removes almost all temperature variability in the data. The strain sensors are also used to capture the bridge dynamics, accurately tracking the first vertical mode, using DBSCAN for automated tracking. The large number of sensors allows for tracking the mode shape for potential damage detection.
Originele taal-2English
TitelLife-Cycle of Structures and Infrastructure Systems
SubtitelPROCEEDINGS OF THE EIGHTH INTERNATIONAL SYMPOSIUM ON LIFE-CYCLE CIVIL ENGINEERING (IALCCE 2023), 2-6 JULY, 2023, POLITECNICO DI MILANO, MILAN, ITALY
UitgeverijTaylor & Francis
Pagina's3688-3696
Aantal pagina's9
ISBN van elektronische versie9781003323020
StatusPublished - 28 jun 2023

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