Operational Modal Analysis Case Study of the Stavå Bridge in Relation to a Digital Twin Implementation
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n relation to a possible implementation of a Digital Twin solution on the Stavå Bridge, a case study has been made. A sensor network has been mounted on the bridge, and the vibration data have been analyzed with operational modal analysis methods. A literature study was made in order to gain an overview of relevant methods of performing structural health monitoring based on vibration measurements. An output-only modal identification method was implemented and used to extract modal parameters from the vibration measurements.