連結制振建物のダンパー量摂動展開による地震時応答特性

摘要

既存建築物の耐震補強では，ブレースや耐震壁を設置するなど様々な工法が提案されている.一方で制振部材を用いた制振改修も行われている.振動特性の異なる2つの建物を，粘性系あるいは履歴系のダンパーやばねにより連結することでエネルギーを吸収し，応答を低減させる連結制振構法もその一つである.%The characteristics of vibration control by viscous-damper connection of two buildings are disclosed by using Taylor series expansion with respect to connecting damper quantity. While most of the conventional theories for vibration control by connecting dampers are developed based on the so-called fixed point theory, the proposed theory focuses on an analytical expression (although approximate) of eigen-properties and earthquake responses. The proposed approach enables the use of properties of clear initial models without connecting dampers and capturing of the effects of connecting dampers on eigen-properties and earthquake responses in an explicit manner.