Seismic Reduction Performance of Wrap Rope Connection Devices for Continuous Girder Bridges

Table 4

Natural frequency of the two-test model.

Working condition	Without WRCD (Hz)	With WRCD (Hz)
Before loading	3.654	3.197
0.1 g	3.652	3.194
0.2 g	3.657	3.205
0.4 g	3.652	3.194
0.6 g	3.651	3.248
0.8 g	3.649	3.250
1.0 g	3.655	3.250