The Dynamic Response of Railway Track to High Frequency Lateral Excitation
1982; Pergamon Press; Volume: 24; Issue: 2 Linguagem: Inglês
10.1243/jmes_jour_1982_024_017_02
ISSN2058-3389
AutoresStuart L. Grassie, R. W. Gregory, Kenneth L. Johnson,
Tópico(s)Civil and Geotechnical Engineering Research
ResumoThe dynamic response of railway track to lateral forces is investigated. Experimental data in the frequency range 50–1500 Hz suggest that track laid on wooden sleepers is adequately represented as a beam (the rail) on a damped elastic support (the ballast). For concrete-sleepered track the railhead appears to move significantly on the lateral flexibility of the web, and a simple continuous model is developed from which its lateral dynamic response may be found.
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