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Output-Only Modal Analysis of Malahide Viaduct Bridge
This paper investigates identifying the natural frequencies of Malahide viaduct bridge, which is located in north of Dublin, using vibration data collected on an in-service train. The bridge has 12 spans and is located at Dublin-Belfast line. Acceleration data are collected from accelerometers installed on steel rails attached to the bridge. As there were only 5 wireless accelerometers available, a multi-stage approach is developed to cover all the spans. The natural frequencies of each span are calculated using the vibration data collected during the train passage (forced vibration) and after it (free vibration). It is shown that the natural frequencies of most of the spans are within in similar range, except the ones which are replaced after a collapse in 2008.
Output-Only Modal Analysis of Malahide Viaduct Bridge
This paper investigates identifying the natural frequencies of Malahide viaduct bridge, which is located in north of Dublin, using vibration data collected on an in-service train. The bridge has 12 spans and is located at Dublin-Belfast line. Acceleration data are collected from accelerometers installed on steel rails attached to the bridge. As there were only 5 wireless accelerometers available, a multi-stage approach is developed to cover all the spans. The natural frequencies of each span are calculated using the vibration data collected during the train passage (forced vibration) and after it (free vibration). It is shown that the natural frequencies of most of the spans are within in similar range, except the ones which are replaced after a collapse in 2008.
Output-Only Modal Analysis of Malahide Viaduct Bridge
Lecture Notes in Civil Engineering
Rainieri, Carlo (editor) / Gentile, Carmelo (editor) / Aenlle López, Manuel (editor) / Ghiasi, Ramin (author) / Khan, Muhammad Arslan (author) / Malekjafarian, Abdollah (author)
International Operational Modal Analysis Conference ; 2024 ; Naples, Italy
Proceedings of the 10th International Operational Modal Analysis Conference (IOMAC 2024) ; Chapter: 47 ; 485-492
2024-06-22
8 pages
Article/Chapter (Book)
Electronic Resource
English
Online Contents | 1998
|British Library Online Contents | 1998
|Bascule bridge and viaduct at Coleraine
Engineering Index Backfile | 1924