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（中國(guó)電子工程設(shè)計(jì)院，北京100840）

［提要］北京銀泰中心鋼結(jié)構(gòu)主樓高249.5m，為改善其上部豪華公寓的舒適度，采用粘滯阻尼器對(duì)風(fēng)荷載作用下的結(jié)構(gòu)水平振動(dòng)進(jìn)行了控制設(shè)計(jì)。設(shè)計(jì)風(fēng)荷載考慮了順風(fēng)向和橫風(fēng)向脈動(dòng)風(fēng)的作用，并以時(shí)程分析和能量分析相結(jié)合的方法進(jìn)行了計(jì)算分析。另外，對(duì)阻尼器在改善結(jié)構(gòu)抗震性能方面的作用也做了補(bǔ)充計(jì)算。結(jié)果表明，粘滯阻尼器的合理應(yīng)用不僅能有效地降低主體結(jié)構(gòu)的風(fēng)振加速度，滿足標(biāo)準(zhǔn)中對(duì)舒適度的要求，在緩解地震的不利作用方面也具有一定的效果。

［關(guān)鍵詞］北京銀泰中心；振動(dòng)控制；粘滯阻尼器；時(shí)程分析；能量分析

Using Viscous Dampers to Control Windinduced Vibration for Steel Tower of Beijing Yintai Center/Zhao Guangpeng, Lou Yu, Li Peibin, Han Hejun, Lü Zuochao, Huang Jian(China Electronics Eng. Design Institute, Beijing 100840, China)

Abstract: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.

Keywords:Beijing Yintai Center; vibration control; viscous damper; time domain analysis; energy analysis