Research Article
Dynamic Responses of Simply Supported Girder Bridges to Moving Vehicular Loads Based on Mathematical Methods
Table 8
Various analyses of numerical simulations without interaction.
(a) Dynamic load allowance (DLA) of the bridge |
| Factor | | dof | Initial | Modification | | | | | | |
| | 0.1861 | 2 | 0.0931 | 49.35 | 0.05 | 0.0931 | 41.55 | 0.01 | | 0.1344 | 2 | 0.0672 | 35.64 | 0.05 | 0.0672 | 30.00 | 0.01 | | 0.0545 | 2 | 0.0273 | 14.45 | 0.10 | 0.0273 | 12.17 | 0.05 | | 0.0351 | 2 | 0.0175 | 9.30 | 0.10 | 0.0175 | 7.83 | 0.05 | | 0.0586 | 2 | 0.0293 | 15.54 | 0.10 | 0.0293 | 13.09 | 0.05 | | 0.0052 | 2 | 0.0026 | 1.38 | >0.25 | — | — | — | | 0.0754 | 2 | 0.0377 | 20.00 | 0.05 | 0.0377 | 16.84 | 0.05 | | 0.1605 | 2 | 0.0802 | 42.55 | 0.05 | 0.0802 | 35.82 | 0.01 | | 0.0188 | 2 | 0.0094 | 5.00 | 0.25 | 0.0094 | 4.21 | 0.25 | | 0.0211 | 2 | 0.0106 | 5.60 | 0.25 | 0.0106 | 4.72 | 0.10 | | 0.1214 | 2 | 0.0607 | 32.18 | 0.05 | 0.0607 | 27.10 | 0.01 | | 0.0182 | 2 | 0.0091 | 4.84 | 0.25 | 0.0091 | 4.07 | 0.25 | Error | 0.0038 | 2 | 0.0019 | | | 0.0022 | | |
| Sum | 0.8932 | 26 | | | | | | |
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(b) Vibration accelerations of the bridge () and the vehicle () |
| Factor | | dof | Bridge | Vehicle | | | | | | | | |
| | 1.0772 | 6.2119 | 2 | 0.5386 | 349.08 | 0.01 | 3.1060 | 182.75 | 0.01 | | 1.3357 | 0.4694 | 2 | 0.6678 | 432.86 | 0.01 | 0.2347 | 13.81 | 0.10 | | 0.2923 | 0.6948 | 2 | 0.1461 | 94.71 | 0.05 | 0.3474 | 20.44 | 0.05 | | 0.1977 | 0.3681 | 2 | 0.0989 | 64.07 | 0.05 | 0.1841 | 10.83 | 0.10 | | 0.0858 | 0.1244 | 2 | 0.0429 | 27.80 | 0.05 | 0.0622 | 3.66 | 0.25 | | 0.0478 | 0.8906 | 2 | 0.0239 | 15.49 | 0.10 | 0.4453 | 26.20 | 0.05 | | 0.0613 | 9.4647 | 2 | 0.0306 | 19.86 | 0.05 | 4.7323 | 278.44 | 0.01 | | 0.4733 | 5.4874 | 2 | 0.2366 | 153.37 | 0.01 | 2.7437 | 161.43 | 0.01 | | 0.1068 | 0.2728 | 2 | 0.0534 | 34.62 | 0.05 | 0.1364 | 8.03 | 0.25 | | 0.4521 | 0.8116 | 2 | 0.2260 | 146.50 | 0.01 | 0.4058 | 23.88 | 0.05 | | 0.0637 | 0.2004 | 2 | 0.0318 | 20.63 | 0.05 | 0.1002 | 5.90 | 0.25 | | 0.8217 | 1.6547 | 2 | 0.4108 | 266.29 | 0.01 | 0.8273 | 48.68 | 0.05 | Error | 0.0031 | 0.0340 | 2 | 0.0015 | | | 0.0170 | | |
| Sum | 5.0183 | 26.6849 | 26 | | | | | | |
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