Wave propagation from hammer, vibrator and railway excitation – theoretical and measured attenuation in space and frequency domain
- The attenuation of wave amplitudes is ruled by the planar, cylindrical or spher-ical geometry of the wave front (the geometric or power-law attenuation) but also by the damping of the soil (an exponential attenuation). Several low- and high-frequency filter effects are derived for the layering and the damping of the soil, for the moving static and the distributed train loads and for a homoge-neous or randomly heterogeneous soil. Measurements of hammer- and train-induced vibrations at five sites have been analysed for these attenuation and filter effects. The measured attenuation with distance can be discribed by gen-eralised power laws and some reasons will be discussed. The theoretical filter effects can well be found in the measurements.
Autor*innen: | Lutz AuerschORCiD |
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Dokumenttyp: | Vortrag |
Veröffentlichungsform: | Präsentation |
Sprache: | Englisch |
Jahr der Erstveröffentlichung: | 2022 |
Organisationseinheit der BAM: | 7 Bauwerkssicherheit |
7 Bauwerkssicherheit / 7.2 Ingenieurbau | |
DDC-Klassifikation: | Technik, Medizin, angewandte Wissenschaften / Ingenieurwissenschaften / Ingenieurbau |
Freie Schlagwörter: | Attenuation; Filter effects; Hammer impact; Layered soil; Randomly heterogeneous soil; Scattering; Train passage |
Themenfelder/Aktivitätsfelder der BAM: | Infrastruktur |
Veranstaltung: | 10th Wave Mechanics and Vibration Conference (WMVC)nce |
Veranstaltungsort: | Lisbon, Potugal |
Beginndatum der Veranstaltung: | 04.07.2022 |
Enddatum der Veranstaltung: | 06.07.2022 |
Verfügbarkeit des Dokuments: | Datei im Netzwerk der BAM verfügbar ("Closed Access") |
Datum der Freischaltung: | 12.07.2022 |
Referierte Publikation: | Nein |
Eingeladener Vortrag: | Nein |