履歴型ダンパー付鉄骨架構の地震応答性状

概要

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In recent years, hysteretic dampers made of low-yield-point steel are expected to reduce earthquake responses of structures not only in designing new buildings but also in retrofitting existing buildings. Inelastic behaviors of dampers of this kind during severe earthquakes are, however, collected not so much in an experimental way. First, this paper presents sub-structuring pseudo-dynamic tests which are performed to simulate inelastic responses of a singlestory steel frame retrofitted by a stud with a low-yield-point damper inserted. Second, a half-scale 3-story model structure is retrofitted by similar dampers, and its actual dynamic properties are examined by forced vibration tests. Finally, its inelastic real response is successfully monitored to a natural moderate earthquake.
社団法人日本建築学会の論文
2000-12-30