地震信頼性解析に基づく非線形粘性ダンパーを有する免震構造物の性能設計について

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This paper presents the performance based parameter analysis of base isolated building with non-linear viscous damper under Tokachioki type (2003) and Niigata-ken Chuuetsu type (2004) random earthquake excitations. From the three viewpoints of seismic reliability, preservation of seismic safety and improvement of structural comfort, the optimum parameter on the base isolation interface is determined in such a way that the responses of base isolated structural system with linked damper agree with the response demanded by the structural designer. The optimality of the parameter is discussed for the performance demanded coefficient, some random earthquake excitation models, the fundamental period of base isolated building and the non-stationary random response.
2006-03-30