円形断面鋼棒を用いたブレースダンパーの開発

概要

論文の詳細を見る
The resistance of a structure against an earthquake is related to its ability to absorb the seismic input energy. In the prevailing design practice the energy is absorbed by plastic deformations on building frame-components such as beams and columns. However, the experience in past earthquakes has shown that evaluating and repairing the plastic deformation and the associated damage on the frame is often difficult and expensive. Thus, the development of alternative devices for dissipating the seismically induced energy on the structure is highly desirable. In this paper a new type of hysteretic damper, which can be installed in a building frame as a concentric brace, is suggested. The damper takes advantage of the high energy absorption capacity of the round-shape steel rods when subjected to flexural deformations. The design criteria for the damper is described and its behavior is assessed experimentally.
社団法人日本建築学会の論文
1997-11-30