Seismic Resilience Analysis of a Concrete-Framed Hospital Building with Viscous Dampers

To study the seismic resilience of a concrete-framed hospital building with viscous dampers, the elastoplastic time history analysis of a three-story concrete-framed hospital building under moderate and rare earthquakes was carried out by finite element analysis software. The structure’s overall response was studied, meanwhile, the seismic resilience of the building was evaluated from three aspects: repair cost, repair time, and casualties. The results show that viscous dampers can effectively reduce the repair cost, repair time, and casualties under earthquakes. Compared with the structure without dampers, the repair cost and repair time of the structure with dampers have been reduced by 67% and 69% respectively under moderate earthquakes, 42% and 39% respectively under rare earthquakes, and the seismic resilience grade has been increased from zero to one star.