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Clarification of the Effect of High-Speed Train Induced Vibrations on a Railway Steel Box Girder Bridge Using Laser Doppler Vibrometer
| Content Provider | Semantic Scholar |
|---|---|
| Author | Vibrometer Miyashita, Tsutomu Ishii, Hidetaka Fujino, Y. Shoji, Adachi Seki, Munetoshi |
| Copyright Year | 2005 |
| Abstract | The effect of train-induced vibrations and the train speed on local stresses at each part of the steel box girder bridge were studied analytically as well as by field measurement. The results show that vibrations at the lower flange of the main girder increased the local stresses causing damage. Furthermore, the study shows that the vibration depends on the cyclic external load induced by train speed. The measurement system consists of a scanning type vibrometer and a single point type vibrometer and the measurement clarified the non-stationary characteristics of a railway bridge subjected to train-induced vibrations. The data acquired were analyzed to identify the natural frequencies and the changes based on the retrofit in the mode shapes of the railway bridge. |
| File Format | PDF HTM / HTML |
| Alternate Webpage(s) | http://www.bridge.t.u-tokyo.ac.jp/monitoring/miyashita_EVACES2005TM.pdf |
| Language | English |
| Access Restriction | Open |
| Content Type | Text |
| Resource Type | Article |
