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Vibration-based monitoring of civil structures with subspace-based damage detection
- Automatic vibration-based structural health monitoring has been recognized as a useful alternative or addition to visual inspections or local non-destructive testing performed manually. It is, in particular, suitable for mechanical and aeronautical structures as well as on civil structures, including cultural heritage sites. The main challenge is to provide a robust damage diagnosis from the recorded vibration measurements, for which statistical signal processing methods are required. In this chapter, a damage detection method is presented that compares vibration measurements from the current system to a reference state in a hypothesis test, where data9 related uncertainties are taken into account. The computation of the test statistic on new measurements is straightforward and does not require a separate modal identification. The performance of the method is firstly shown on a steel frame structure in a laboratory experiment. Secondly, the application on real measurements on S101Automatic vibration-based structural health monitoring has been recognized as a useful alternative or addition to visual inspections or local non-destructive testing performed manually. It is, in particular, suitable for mechanical and aeronautical structures as well as on civil structures, including cultural heritage sites. The main challenge is to provide a robust damage diagnosis from the recorded vibration measurements, for which statistical signal processing methods are required. In this chapter, a damage detection method is presented that compares vibration measurements from the current system to a reference state in a hypothesis test, where data9 related uncertainties are taken into account. The computation of the test statistic on new measurements is straightforward and does not require a separate modal identification. The performance of the method is firstly shown on a steel frame structure in a laboratory experiment. Secondly, the application on real measurements on S101 Bridge is shown during a progressive damage test, where damage was successfully detected for different damage scenarios.…
Autor*innen: | Michael Döhler, Falk HilleORCiD, Laurent Mevel |
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Persönliche Herausgeber*innen: | Erika Ottaviano, Assunta Pelliccio, Vincenzo Gattulli |
Dokumenttyp: | Buchkapitel |
Veröffentlichungsform: | Verlagsliteratur |
Sprache: | Englisch |
Titel des übergeordneten Werkes (Englisch): | Mechatronics for Cultural Heritage and Civil Engineering |
Auflage: | 1. |
Jahr der Erstveröffentlichung: | 2018 |
Organisationseinheit der BAM: | 7 Bauwerkssicherheit |
7 Bauwerkssicherheit / 7.2 Ingenieurbau | |
Verlag: | Springer International Publishing |
Verlagsort: | Cham |
Erste Seite: | 307 |
Letzte Seite: | 326 |
DDC-Klassifikation: | Technik, Medizin, angewandte Wissenschaften / Ingenieurwissenschaften / Ingenieurbau |
Freie Schlagwörter: | Damage detection; Statistical tests; Structural health monitoring; Subspace methods; Vibrations |
Themenfelder/Aktivitätsfelder der BAM: | Infrastruktur |
DOI: | 10.1007/978-3-319-68646-2 |
ISBN: | 978-3-319-68645-5 |
Verfügbarkeit des Dokuments: | Datei im Netzwerk der BAM verfügbar ("Closed Access") |
Datum der Freischaltung: | 11.06.2018 |
Referierte Publikation: | Ja |
Datum der Eintragung als referierte Publikation: | 11.06.2018 |