42487
2017
eng
lecture
0
--
--
--
Measurements on the vehicle-track interaction and the excitation of railway-induced ground vibration
Two railway measurement campaigns have been performed in Germany and Switzerland which yield insight in the vehicle-track-soil interaction. The campaign in Germany has included simultaneous measurement of vehicle, track, and soil vibrations during train runs with 16, 25, 40, 63, 80, 100, 125, 140, 160 km/h, and impulse measurements of the passenger car, three track sections and the soil. Two ballast tracks, one on the soil surface and one on a concrete bridge, have been investigated as well as a slab track in a tunnel. Ten different sites in Switzerland have been measured for soil properties and train-induced ground vibrations, which allow to determine the excitation forces of the railway traffic. New axle-box measurements at some of the Swiss sites have been analysed to get further experimental evidence. All these measurements have been evaluated to characterize the excitation processes. Relations between vehicle vibration and ground vibration can be observed. The vehicle vibrations, namely the accelerations of the wheelsets, yield the dynamic forces due to the passage over the irregularities of the vehicle and the track. The ground vibrations are correlated to these dynamic forces to a certain extent. Some mid-frequency ground vibration amplitudes, however, are higher than expected from the dynamic excitation forces. The experimental observations can be explained by an irregular response to the passage of the static loads, that means the passage of the static loads over an irregular ballast or soil. This correct understanding of the excitation processes is important for the prediction as well as for the mitigation of railway induced ground vibrations.
EURODYN 2017
Rome, Italy
10.09.2017
13.09.2017
0
Lutz Auersch
eng
uncontrolled
Vehicle-track interaction
eng
uncontrolled
Ground vibration
eng
uncontrolled
Track vibration
eng
uncontrolled
Railway measurement campaign
eng
uncontrolled
Axle box measurements
Ingenieurbau
Sanitär- und Kommunaltechnik; Umwelttechnik
Datei im Netzwerk der BAM verfügbar ("Closed Access")
Präsentation
42088
2017
eng
2615
2620
199
article
Elsevier
London
1
--
--
--
Measurements on the vehicle-track interaction and the excitation of railway-induced ground vibration
Two railway measurement campaigns have been performed in Germany and Switzerland which yield insight in the vehicle-track-soil interaction. The campaign in Germany has included simultaneous measurement of vehicle, track, and soil vibrations during train runs with 16, 25, 40, 63, 80, 100, 125, 140, 160 km/h, and impulse measurements of the passenger car, three track sections and the soil. Two ballast tracks, one on the soil surface and one on a concrete bridge, have been investigated as well as a slab track in a tunnel. Ten different sites in Switzerland have been measured for soil properties and train-induced ground vibrations, which allow to determine the excitation forces of the railway traffic. New axle-box measurements at some of the Swiss sites have been analysed to get further experimental evidence. All these measurements have been evaluated to characterize the excitation processes. Relations between vehicle vibration and ground vibration can be observed. The vehicle vibrations, namely the accelerations of the wheelsets, yield the dynamic forces due to the passage over the irregularities of the vehicle and the track. The ground vibrations are correlated to these dynamic forces to a certain extent. Some mid-frequency ground vibration amplitudes, however, are higher than expected from the dynamic excitation forces. The experimental observations can be explained by an irregular response to the passage of the static loads, that means the passage of the static loads over an irregular ballast or soil. This correct understanding of the excitation processes is important for the prediction as well as for the mitigation of railway induced ground vibrations.
Procedia Engineering
10.1016/j.proeng.2017.09.390
1877-7058
urn:nbn:de:kobv:b43-420889
X INTERNATIONAL CONFERENCE ON STRUCTURAL DYNAMICS (EURODYN 2017)
22.02.2018
Creative Commons - Namensnennung-Nicht kommerziell-Keine Bearbeitung
Lutz Auersch
Samir Said
Roger Müller
eng
uncontrolled
Vehicle-track interaction
eng
uncontrolled
Ground vibration
eng
uncontrolled
Track vibration
eng
uncontrolled
Railway measurement campaign
eng
uncontrolled
Axle box measurements
Ingenieurbau
Sanitär- und Kommunaltechnik; Umwelttechnik
Verlagsliteratur
Datei für die Öffentlichkeit verfügbar ("Open Access")
Wissenschaftliche Artikel der BAM
Bundesanstalt für Materialforschung und -prüfung (BAM)
https://opus4.kobv.de/opus4-bam/files/42088/Eurodyn2017bf.pdf