2521 磁性流体を用いた免震システムの性能評価に関する研究(J10-5 振動・音響抑制,J10 知的材料・構造システム)

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This study deals with the semi-active isolation system using magnetic fluid. This technology provides abilities that vibration of earthquake doesn't transfer to buildings with isolation layer between buildings and ground. In this study, we use FFF, which we proposed in the previous report, for isolation system. This system is semi-active system. First, insulation and restoring performance of this system are investigated. Next, we try to model this system as a frictional vibration model, since acceleration of upper structure showed like frictional vibration response when sine vibration wave is inputted to the experimental model. And we executed numerical simulation of modeled system. In this report, we confirmed the effectiveness of this system against the sine vibration wave and earthquake wave.
2007-09-07