From: Parametric study on dynamic responses of stiffened sandwich composite bridge deck panel
Natural frequency (cycle/time) for the bridge deck panels | |||||
---|---|---|---|---|---|
Mode | WS-WH | WS-H10 | WS-H15 | WS-H20 | WS-H30 |
1 | 128.40 | 104.32 | 93.984 | 86.314 | 78.368 |
2 | 312.45 | 273.16 | 263.08 | 251.39 | 240.26 |
3 | 387.43 | 332.62 | 316.78 | 301.15 | 289.27 |
4 | 767.73 | 629.8 | 537.03 | 464.75 | 379.53 |
5 | 817.42 | 669.53 | 642.52 | 590.77 | 497.11 |
6 | 818.71 | 713.06 | 658.59 | 612.06 | 572.18 |
7 | 849.00 | 772.43 | 689.29 | 657.41 | 597.29 |
8 | 851.04 | 775.83 | 719.35 | 681.30 | 623.40 |
9 | 910.41 | 777.49 | 723.66 | 697.77 | 626.65 |
10 | 985.87 | 821.08 | 758.76 | 743.02 | 635.58 |