Table 1 Statistics of fitting parameters of identified modal frequencies of PSRB and XB
From: Identification of modal parameters of long-span bridges under various wind velocities
Bridge | Mode order | Identification method | |||||
|---|---|---|---|---|---|---|---|
SSI-COV | EWT-HT | ||||||
a1 | b1 | R2 | a1 | b1 | R2 | ||
PSRB | 1 | 0.00040 | 0.498 | 0.299 | 0.00040 | 0.499 | 0.284 |
2 | 0.00030 | 0.709 | 0.163 | 0.00040 | 0.721 | 0.002 | |
3 | 0.00010 | 1.029 | 0.061 | -0.00040 | 1.047 | 0.001 | |
XB | 1 | 0.00004 | 0.095 | 0.160 | 0.00001 | 0.095 | 0.198 |
2 | -0.00004 | 0.130 | 0.144 | -0.00002 | 0.132 | 0.138 | |
3 | -0.00002 | 0.229 | 0.088 | 0.00000 | 0.230 | 0.048 | |