Roughness and wheelset acceleration from axle-box measurements for understanding the generation and mitigation of ground vibrations
- Two measurement campaigns of train-induced ground vibrations are evaluated for the vehicle-track-soil interaction. Ground vibrations, track vibrations and vehicle vibrations have been measured for train passages and impulse excitation and compared with theoretical results. The soil and the track-soil system are calculated by wavenumber integrals. The influence of the vehicle is introduced by a substructure method. By comparing theory and measurement the different components of excitation force and ground vibration can be analysed, the quasi-static excitation, track-alignment errors, the out-of-roundness of wheels, the wheel and rail roughness, and moreover, scattered axle impulses and ineffective high-frequency parts of the wheelset accelerations and forces.
Autor*innen: | Lutz AuerschORCiD |
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Dokumenttyp: | Vortrag |
Veröffentlichungsform: | Präsentation |
Sprache: | Englisch |
Jahr der Erstveröffentlichung: | 2019 |
Organisationseinheit der BAM: | 7 Bauwerkssicherheit |
7 Bauwerkssicherheit / 7.2 Ingenieurbau | |
Freie Schlagwörter: | Train-induced ground vibration; Vehicle-track-soil interaction |
Themenfelder/Aktivitätsfelder der BAM: | Infrastruktur |
Veranstaltung: | ISO/TC 108/SC 2/WG 8 Working group Ground-borne noise and vibration from rail systems |
Veranstaltungsort: | Berlin, Germany |
Beginndatum der Veranstaltung: | 12.03.2019 |
Enddatum der Veranstaltung: | 12.03.2019 |
Verfügbarkeit des Dokuments: | Datei im Netzwerk der BAM verfügbar ("Closed Access") |
Datum der Freischaltung: | 08.05.2019 |
Referierte Publikation: | Nein |
Eingeladener Vortrag: | Nein |