Influences of connected rigidity on vibration control effect of tuned particle dampers

YAN Weiming1, WANG Jin1, XU Weibing2, PENG Lingyun1, ZHANG Kui1

Journal of Vibration and Shock ›› 2018, Vol. 37 ›› Issue (3) : 1-7.

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Journal of Vibration and Shock ›› 2018, Vol. 37 ›› Issue (3) : 1-7.

Influences of connected rigidity on vibration control effect of tuned particle dampers

  • YAN Weiming1, WANG Jin1, XU Weibing2, PENG Lingyun1, ZHANG Kui1
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Abstract

In order to clarify influences of connected rigidity on damping effects of tuned particle dampers (TPDs) and determine the available optimal range of the connected rigidity between TPD and a structure, a 1/30-scale RC frame model was designed and manufactured, TPDs with various connected rigidities were designed to reduce vibrations of the test model, influences of connected rigidity on TPD’s vibration control effect was analyzed through a series of shaking table tests. The results showed that the TPDs properly designed can reduce structural displacement responses effectively; the connected rigidity between TPD and the controlled structure has obvious influences on the TPD vibration control effect; when the ratio of the TPD’s natural frequency to the structure’s fundamental frequency in the controlled direction is within a range of 0.90 to 1.10, the TPD’s vibration control effect is better.

 

Key words

tuned particle damper / shaking table test / connected rigidity / design and application method

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YAN Weiming1, WANG Jin1, XU Weibing2, PENG Lingyun1, ZHANG Kui1. Influences of connected rigidity on vibration control effect of tuned particle dampers[J]. Journal of Vibration and Shock, 2018, 37(3): 1-7

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