摘要
北京银泰中心钢结构主楼高249.5m,为改善其上部豪华公寓的舒适度,采用粘滞阻尼器对风荷载作用下的结构水平振动进行了控制设计。设计风荷载考虑了顺风向和横风向脉动风的作用,并以时程分析和能量分析相结合的方法进行了计算分析。另外,对阻尼器在改善结构抗震性能方面的作用也做了补充计算。结果表明,粘滞阻尼器的合理应用不仅能有效地降低主体结构的风振加速度,满足标准中对舒适度的要求,在缓解地震的不利作用方面也具有一定的效果。
Beijing Yintai Center steel tower is 249.5m high. For improving the comfort of the luxury rooming houses on top of the building, viscous dampers （VD） are used to control wind-induced structural vibration. The vibration analysis spreads both in time-domain and energy-domain with computing structural response along and vertical wind. The earthquake-induced structural response is also computed. The results show that VD had obvious influence for wind-induced structural response and certain effect for earthquake-induced structural vibration.
出处
《建筑结构》
CSCD
北大核心
2007年第11期8-10,共3页
Building Structure
关键词
北京银泰中心
振动控制
粘滞阻尼器
时程分析
能量分析
Beijing Yintai Center
vibration-control
viscous damper
time-domain analysis
energy analysis
