| Title |
Analytical Study on Tuned Mass Damper Installation in Large Spatial Structures |
| DOI |
https://doi.org/10.5659/JAIK.2025.41.7.169 |
| Keywords |
Large Spatial Structure; Tuned Mass Damper(TMD); Seismic Response Control; Displacement Response |
| Abstract |
This study examines the vibration control performance of Tuned Mass Dampers (TMDs) in large spatial structures under seismic loads. Six
analytical models were developed to represent different roof structural systems: ribbed, latticed, elliptical, gable, barrel, and stadium types.
When the TMD mass was set to 1 percent of the total structural mass, the models showed a displacement response reduction ranging from
82 percent to 99 percent. Among them, the gable type demonstrated the highest effectiveness, while the ribbed type showed the least. TMDs
installed at the edges of structures provided better displacement control than those concentrated at the center. The optimal TMD mass ratio
for spatial structures was found to be between 0.1 percent and 0.2 percent of the unit mass. However, due to variations in the planar shapes
and seismic response characteristics of each model, a generalized optimal mass ratio is not applicable. Accurate analysis of the structure’s
geometry and TMD placement is essential for determining the most effective mass ratio. |