Research Article
Random Vibration Analysis of Train Moving over Slab Track on Bridge under Track Irregularities and Earthquakes by Pseudoexcitation Method
Table 5
Influence of train speed on PSDs of motor carbody acceleration.
| |
Train speed (km/h) | Vertical | Lateral | DVF1
(Hz) | Peak value
(m2/s3) | DVF2
(Hz) | Peak value
(m2/s3) | DVF1
(Hz) | Peak value
(m2/s3) | DVF2
(Hz) | Peak value
(m2/s3) |
| | 150 | | | | | | | | | | Case A | 0.96 | 3.69E − 03 | 5.20 | 1.59E − 03 | 1.07 | 1.59E − 03 | 2.98 | 1.03E − 02 | | Case B | 0.96 | 3.75E − 03 | 5.49 | 1.55E − 03 | — | — | 3.07 | 1.12E − 02 | | 170 | | | | | | | | | | Case A | 0.92 | 4.44E − 03 | 5.27 | 1.92E − 03 | 1.21 | 1.92E − 03 | 3.11 | 8.21E − 03 | | Case B | 0.92 | 4.53E − 03 | 5.42 | 1.93E − 03 | — | — | 3.11 | 1.12E − 02 | | 190 | | | | | | | | | | Case A | 0.94 | 5.22E − 03 | 5.27 | 2.05E − 03 | 1.03 | 2.05E − 03 | 3.20 | 9.24E − 03 | | Case B | 0.94 | 5.32E − 03 | 5.27 | 2.13E − 03 | — | — | 3.11 | 1.09E − 02 | | 210 | | | | | | | | | | Case A | 0.96 | 5.70E − 03 | 5.36 | 2.12E − 03 | 1.10 | 2.12E − 03 | 3.16 | 8.28E − 03 | | Case B | 0.96 | 5.81E − 03 | 5.36 | 2.08E − 03 | — | — | 3.08 | 1.08E − 02 | | 230 | | | | | | | | | | Case A | 0.94 | 6.23E − 03 | 5.11 | 1.65E − 03 | 1.24 | 1.65E − 03 | 3.02 | 1.00E − 02 | | Case B | 0.94 | 6.35E − 03 | 5.56 | 1.75E − 03 | — | — | 3.10 | 1.08E − 02 | | 250 | | | | | | | | | | Case A | 0.92 | 6.62E − 03 | 5.11 | 1.52E − 03 | 1.37 | 1.52E − 03 | 2.94 | 8.63E − 03 | | Case B | 0.92 | 6.75E − 03 | 5.56 | 1.61E − 03 | — | — | 3.10 | 1.12E − 02 | | 270 | | | | | | | | | | Case A | 0.91 | 7.21E − 03 | 5.37 | 1.87E − 03 | 0.96 | 1.87E − 03 | 3.08 | 9.61E − 03 | | Case B | 0.91 | 7.34E − 03 | 5.52 | 1.93E − 03 | — | — | 3.08 | 1.12E − 02 | | 290 | | | | | | | | | | Case A | 0.92 | 7.61E − 03 | 5.31 | 2.80E − 03 | 1.03 | 2.80E − 03 | 3.13 | 8.92E − 03 | | Case B | 0.92 | 7.74E − 03 | 5.46 | 2.89E − 03 | — | — | 3.13 | 1.10E − 02 | | 310 | | | | | | | | | | Case A | 0.94 | 7.89E − 03 | 5.22 | 1.95E − 03 | 1.07 | 1.95E − 03 | 3.13 | 9.57E − 03 | | Case B | 0.94 | 8.03E − 03 | 5.22 | 2.00E − 03 | — | — | 3.08 | 1.11E − 02 | | 330 | | | | | | | | | | Case A | 0.94 | 8.17E − 03 | 5.41 | 2.10E − 03 | 1.14 | 2.10E − 03 | 3.10 | 1.05E − 02 | | Case B | 0.92 | 8.31E − 03 | 5.41 | 2.21E − 03 | — | — | 3.10 | 1.13E − 02 | | 350 | | | | | | | | | | Case A | 0.92 | 8.39E − 03 | 5.13 | 2.13E − 03 | 1.21 | 2.13E − 03 | 3.11 | 8.15E − 03 | | Case B | 0.92 | 8.54E − 03 | 5.28 | 2.07E − 03 | — | — | 3.11 | 1.14E − 02 | | 370 | | | | | | | | | | Case A | 0.92 | 8.58E − 03 | 5.43 | 2.26E − 03 | 1.35 | 2.26E − 03 | 2.95 | 8.59E − 03 | | Case B | 0.92 | 8.72E − 03 | 5.43 | 2.38E − 03 | — | — | 3.11 | 1.15E − 02 | | 390 | | | | | | | | | | Case A | 0.92 | 8.76E − 03 | 4.98 | 1.74E − 03 | 1.14 | 1.74E − 03 | 3.03 | 1.07E − 02 | | Case B | 0.92 | 8.91E − 03 | 4.98 | 1.76E − 03 | — | — | 3.11 | 1.14E − 02 | | 410 | | | | | | | | | | Case A | 0.89 | 8.97E − 03 | 4.98 | 3.06E − 03 | 1.08 | 3.06E − 03 | 2.94 | 1.03E − 02 | | Case B | 0.87 | 9.12E − 03 | 5.12 | 3.09E − 03 | — | — | 2.94 | 1.12E − 02 |
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