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本文研究青浦电视塔在粘弹性耗能器控制下的风振分析与设计方法。粘弹性耗能器对受控结构的影响归结为结构阻尼的增加 ,由模态应变能法计算了受控结构的等效阻尼比 ,并结合我国现行风荷载规范 ,将粘弹性耗能器的风振控制效果反映到受控结构风荷载的折减上 ,建立了受控结构的风振反应分析方法
This paper studies the wind-induced vibration analysis and design method of Qingpu TV Tower under the control of viscoelastic energy dissipater. The influence of viscoelastic energy dissipater on the controlled structure is attributed to the increase of structural damping. The equivalent damping ratio of the controlled structure is calculated by the modal strain energy method. Combined with the current wind load code in our country, the viscoelastic energy dissipater The wind-induced vibration control effect is reflected in the reduction of the wind load of the controlled structure, and the wind-induced vibration response analysis method of the controlled structure is established