高层建筑结构利用质量摆减震的分析

Reductive vibration analysis of tall building structures using mass pendulums

论述了高层建筑结构利用悬吊质量摆减震的原理及减震性能的研究．通过分析得出了在高层建筑结构顶部各层设置３个悬吊质量摆且其频率都和结构基频相同时减震效果最好．质量摆的减震效果还随悬吊质量的增加而增加，但当悬吊质量与结构质量之比大于２％时减震效果增加较缓慢．

In this paper, reductive vibration principle and properties of tall building structures using suspended mass pendulums are discussed. Through analysis, optimal reductive vibration effect is obtained when three suspended mass pendulums with the same frequency of building basics are established in the tall building structure's top strories. Reductive vibration effect increases along with suspended mass addition, but reductive vibration effect increases more slowly when the rate between suspended mass and building structure mass was over 2 percent.