Table 1 The natural frequency of the plates with the different alignment of stiffeners
From: Parametric study on dynamic responses of stiffened sandwich composite bridge deck panel
Natural frequency (cycle/time) for the bridge deck panels | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|
Mode | CSWS | CS1TS | CS2TS | CS3TS | CS1LS | CS2LS | CS3LS | CS1IS | CS2IS | CS3IS |
1 | 128.4 | 136.66 | 126.7 | 133.36 | 143.62 | 132.68 | 145.15 | 203.82 | 170.48 | 186.69 |
2 | 312.45 | 396.24 | 501.31 | 522.85 | 296.48 | 240.74 | 237.9 | 412.69 | 302.05 | 380.9 |
3 | 387.43 | 414.1 | 520.81 | 542.05 | 358.39 | 339.06 | 327.64 | 433.02 | 376.44 | 390.19 |
4 | 767.73 | 721.13 | 680.07 | 668.67 | 556.04 | 583.19 | 467.14 | 670.46 | 629.67 | 598.99 |
5 | 817.42 | 772.52 | 712.53 | 674.63 | 605.18 | 616.2 | 526.59 | 686.41 | 640.31 | 617.36 |
6 | 818.71 | 777.49 | 741.89 | 675.82 | 827.21 | 691.79 | 683.52 | 804.07 | 656.8 | 633.07 |
7 | 849 | 825.12 | 862.89 | 807.28 | 852.42 | 826.79 | 795.42 | 841.19 | 694.32 | 699.13 |
8 | 851.04 | 837.88 | 923.03 | 859.56 | 865.01 | 839.2 | 806.65 | 864.62 | 789.57 | 753.68 |
9 | 910.41 | 868.49 | 940.49 | 915.3 | 934.52 | 882.47 | 869.42 | 893.99 | 829.27 | 765.7 |
10 | 985.87 | 898.14 | 957.9 | 923.37 | 957.82 | 890.55 | 882.31 | 923.15 | 869.39 | 806.38 |