Triangular prismatic tuned mass damper suitable for large-span or cantilever structures

A triangular prismatic tuned mass damper suitable for large-span or cantilever structures, the triangular prismatic tuned mass damper comprising a triangular prism box, high-damping springs installed below the triangular prism box, a steel mass block and multiple particle damping units arranged inside the triangular prism box for vibration mitigation,

• an upper end of the high-damping spring is connected to the triangular prism box, and a lower end of the high-damping spring is connected to the large-span or cantilever structure that requires vertical vibration control,
• edges of the steel mass block are tangential to the triangular prism box, and the particle damping units are set in a space between the triangular prism box and the steel mass block,
• the particle damping units include a particle damping cavity, a foam rubber pad mounted on an inner surface of the particle damping cavity, large particles, medium particles, and small particles which are placed on the foam rubber pad,
• wherein the large particles include a large particle foam rubber outer layer and a large steel core inside, the medium particles include a medium particle foam rubber outer layer and a medium steel core inside, and the small particles include a small particle foam rubber outer layer and a small steel core inside.