Building Under Earthquake Excitation

摘要: The research analyzed the vibration of a sixty stories structure under earthquake excitation. The amplitudes displacement on the top floor of the building could be very high when the earthquake happened. To reduce the vibration of the building, a passive device Tuned Mass Damper (TMD) is installed at the highest floor of the structure. This paper proposed a control method used for multi-active devices by applying Linear-Quadratic Regulator method (LQR). The location of the multi-active devices is also investigated to find the best place for these devices. Besides, the number of active devices is considered to verify the achievement of the proposed system in the vibration reduction of the building. To examine the effectiveness of the system, the study analyzes the vibration of the high-rise building under different earthquake cases. The numerical simulation results indicate the good performance of the proposed …