Research Article
Seismic Retrofit of a Multispan Prestressed Concrete Girder Bridge with Friction Pendulum Devices
Table 5
Mechanical properties of FPD optimal and standard isolators.
| Type | Position | | | [cm] | [cm] | [] | [s] |
| Optimal Isolator | Internal | 2% | 6% | 190 | 12.8 | 0.297 | 2.76 | External | 2% | 8% | 190 | 12.8 | 0.361 | 2.76 | Standard isolator | Internal | 2% | 6% | 250 | 15.0 | 0.341 | 3.17 | External | 2% | 8% | 250 | 15.0 | 0.381 | 3.17 |
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