Influences of connected rigidity on vibration control effect of tuned particle dampers
YAN Weiming1, WANG Jin1, XU Weibing2, PENG Lingyun1, ZHANG Kui1
1.Beijing Municipal Key Lab of Earthquake Engineering and Structural Retrofit, Beijing University of Technology, Beijing 100024, China;
2. Construction Engineering Testing Center, China Academy of Building Research, Beijing 100013, China
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.
闫维明1，王瑾1，许维炳2，彭凌云1，张奎1. 连接刚度对调频型颗粒阻尼器减震控制效果影响研究 [J]. 振动与冲击, 2018, 37(3): 1-7.
YAN Weiming1, WANG Jin1, XU Weibing2, PENG Lingyun1, ZHANG Kui1. Influences of connected rigidity on vibration control effect of tuned particle dampers. JOURNAL OF VIBRATION AND SHOCK, 2018, 37(3): 1-7.
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