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Tuned Liquid Damper and Its Application to Tower-Like Structures

by Yozo Fujino, Univ of Tokyo, Japan,
Kunio Fujii, Univ of Tokyo, Japan,



Document Type: Proceeding Paper

Part of: Structural Design, Analysis and Testing

Abstract:

A new kind of damper, Tuned Liquid Damper (TLD) relying upon motion of, shallow liquid in a rigid container for absorbing and dissipating the vibrations energy is explained. The performance of a TLD mounted on a structural model subjected to an external force is experimentally investigated. A nonlinear formulation of liquid inside TLD is developed based on 'shallow water wave' theory and a TLD-Structure Interaction model is proposed. Good agreement is found between the experiment and the theory. Effectiveness of TLD in a existing tower structures is also explained.

Subject Headings: Damping | Vibration | Structural models | Mathematical models | Wind engineering | Nonlinear analysis | Mathematics

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