Combined multi-phase vibration-reduction device

Abstract

The invention discloses a combined multi-phase vibration-reduction device. The combined multi-phase vibration-reduction device comprises a container, particle systems, viscosity liquid, elastic systems and a screen. The particle systems are formed by spherical particles, bearing rods, fixing rods and built-in transverse cylinders in a two-way arrangement mode, the viscosity liquid is formed by mixing one or more kinds of liquid and located inside the container, and the spherical particles are located inside the viscosity liquid or float or settle at the bottom of the liquid. The viscosity liquid can vibrate inside the container, and the spherical particle systems collide with each other and rub each other inside the screen to consume energy. The viscosity liquid and the particle systems collide with each other and rub each other to consume energy, and the particles and the screen collide with each other and rub each other to consume energy. Advantages of a tuned liquid damper, a viscous damper, a tuned mass damper and a particle damper are combined, energy consumption is performed through the combination of a liquid phase and a solid phase, the vibration-reduction effect is good, and the combined multi-phase vibration-reduction device is widely applied to the fields of constructional engineering earthquake resistance and wind resistance.

Description

technical field [0001] The invention relates to the technical field of vibration reduction and wind resistance of building structure engineering, in particular to a combined multi-phase vibration reduction device. Background technique [0002] With the development of high-rise buildings in the direction of large aspect ratio and lightweight and high-strength materials, the structural stiffness and damping are gradually reduced, and they are more and more sensitive to strong stimuli such as wind and earthquakes. Structural vibration control, as an economical and effective method, has been paid more and more attention in recent years, and anti-seismic and energy dissipation and vibration reduction technologies have also been fully applied and developed in the process. [0003] From the perspective of control theory, building vibration reduction technology mainly includes four methods: active control, passive control, semi-active control and hybrid control. Among them, the most...

AI Technical Summary

Problems solved by technology

However, the damper exposed some of its own disadvantages in the application

For example, most dampers have a single working mechanism and limited vibration reduction capability; both tuned liquid dampers and tuned mass dampers have the problem of narrow effective bandwidth; viscous dampers have the problem of viscous material aging, and the material itself is expensive; metal The yield point of the damper is concentrated, and the low-cycle fatigue performance is poor; the response of the particle damper is lagging and the noise is large

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