Table 5 Calculation of α-β damping factor.
From: Finite element analysis of the seismic performance of wind and rain bridge
Model | Materials | ξ | fi (Hz) | fj (Hz) | α | β |
|---|---|---|---|---|---|---|
1 | concrete | 0.05 | 4.8178 | 4.8234 | 1.51444 | 0.00099 |
wood | 0.03 | 0.90866 | 0.00165 | |||
2 | concrete | 0.05 | 5.7508 | 10.789 | 2.35700 | 0.00096 |
wood | 0.03 | 1.41420 | 0.00058 |
