From: Seismic performance of cable-stayed bridges with different geometric conditions
A-inclined | Difference (cycle/sec) | A-D inclined | Difference (cycle/sec) | ||||
---|---|---|---|---|---|---|---|
Mode No. | Ignoring sag effect | Taking sag effect | Mode No. | Ignoring sag effect | Taking sag effect | ||
Frequency | Frequency | ||||||
(cycle/sec) | (cycle/sec) | ||||||
1 | 0.452715 | 0.448629 | 0.003914 | 1 | 0.45156 | 0.447624 | 0.003936 |
2 | 0.506174 | 0.506163 | 0.000011 | 2 | 0.505474 | 0.505459 | 0.000015 |
3 | 0.635336 | 0.635246 | 0.0029 | 3 | 0.634883 | 0.63197 | 0.002913 |
4 | 0.995691 | 0.992758 | 0.002933 | 4 | 0.796518 | 0.797282 | 0.000764 |
5 | 1.09261 | 1.09112 | 0.001482 | 5 | 0.896326 | 0.897728 | 0.001402 |