Wind-induced Vibration Response and Wind-induced Vibration Control of the Typical Area of Guangdong Science Center

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Journal of Vibration and Shock ›› 2009, Vol. 28 ›› Issue (9) : 60-64.

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Wind-induced Vibration Response and Wind-induced Vibration Control of the Typical Area of Guangdong Science Center

Liu Chun Zhou Yun Zhang Jichao Wang Dayang

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Abstract

Based on Auto-Regressive method, fluctuating wind velocity series were simulated, and the wind-induced vibration response for the typical area of Guangdong Science Center in different wind pressure and in different wind directions was studied. Six kinds of wind-induced vibration control plans of adding non-linear viscous dampers are given and the control effects of different plans were analyzed in detail. The results show that the wind-induced vibration responses of the structure are reduced effectively by using the reducing vibration plans. The max vertex displacement and acceleration response can be respectively reduced by 18% and 84.9%. For the irregular long-span structures, it is suggested that the dampers are installed in the two sides of them to get the maximal reducing-vibration effect. For the structure with viscous dampers, the control effect of acceleration is better than that of displacement

Key words

Guangdong Science Center / fluctuating wind load / auto-regressive method / wind-induced vibration control analysis / viscous dampers

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Liu Chun Zhou Yun Zhang Jichao Wang Dayang. Wind-induced Vibration Response and Wind-induced Vibration Control of the Typical Area of Guangdong Science Center[J]. Journal of Vibration and Shock, 2009, 28(9): 60-64