Research Article

Sensitivity Analysis of the Influence of Structural Parameters on Dynamic Behaviour of Highly Redundant Cable-Stayed Bridges

Table 4

Comparison of natural frequencies (Hz) with changes in mass density of steel girders ( and PC girders ( ).

TL1V1V2TL2V3TL3

0.7 0.1360.2430.3050.3330.3740.577
0.8 0.1300.2330.2920.3310.3690.571
0.9 0.1250.2240.280.3270.3650.569
1.1 0.1160.2080.2610.3110.3540.546
1.2 0.1120.2020.2520.3030.3430.529
1.3 0.1090.1960.2450.2940.3360.514
0.1200.2160.2700.3200.3670.564
0.7 0.1210.2160.2700.3200.3670.564
0.8 0.1200.2160.2700.3200.3670.564
0.9 0.1200.2160.2700.3200.3670.564
1.1 0.1200.2160.2700.3200.3670.564
1.2 0.1200.2160.2700.3200.3670.564
1.3 0.1200.2160.2700.3200.3670.564