Unlike conventional methods of strengthening buildings by adding more steel, a more efficient solution is to add fluid viscous dampers to the building to absorb the energy of the earthquake. Similar to how shock absorbers work on your car when driving on a bumpy road, dampers can be added to the structure of a building to limit the shock and vibration during an earthquake.
Fluid viscous dampers are velocity dependent and allow the structure to remain elastic as opposed to stiffening the building, which can cause additional problems that can lead to unsafe living conditions.
Insensitive to the magnitude of displacement
It is effective for both wind vibration and earthquake
Resistant to fatigue, with good cycling performance
It is very effective for earthquakes with long duration and many cycles