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.

TypePosition [cm] [cm] [] [s]

Optimal IsolatorInternal2%6%19012.80.2972.76
External2%8%19012.80.3612.76
Standard isolatorInternal2%6%25015.00.3413.17
External2%8%25015.00.3813.17