Vibration Control Device TMD [Example] Vibration Control Measures for Horizontal Vibration of the Pencil Building
Reduce the vibration acceleration level at the building's natural frequency to 1/2 or less! Examples of measures against perceptible vibrations caused by wind.
We would like to introduce a case study of vibration control measures for the Pencil Building's horizontal vibrations. In a newly constructed office building, perceptible vibrations due to wind sway were occurring. As a countermeasure, a TMD (Tuned Mass Damper) was installed on the rooftop to reduce the lateral sway of the building. By installing the TMD, the vibration acceleration level at the building's natural frequency was reduced by more than 6 dB (to less than half) in both the X and Y directions. Additionally, the building's damping ratio improved from 1% to 12%, significantly shortening the time it takes for vibrations to settle. [Case Overview] ■ Key Point of Measures: Installation of multiple small TMDs as a countermeasure ■ Measure: Installation of TMDs on the rooftop ■ Effect: Reduction of vibration acceleration level at the building's natural frequency to less than half *For more details, please refer to the PDF document or feel free to contact us.
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By controlling vibrations, we can create a comfortable, precise, and safe environment. Our patented equipment is a pioneering company that solves vibration problems. We provide vibration control products tailored to various solutions and applications, ranging from seismic isolation and damping products to micro-vibration control in the nanotechnology industry, as well as environmental measurement, structural analysis, and response prediction (including seismic isolation and resistance products, vibration isolation devices, damping devices, and vibration reduction devices).