中間層崩壊型既存建物の合理的改築方法に関する研究

概要

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The multi-story structures under earthquakes are on the balance of input energy by the earthquakes and energy dissipation possessed by the structures. When input energy by the earthquakes is dissipated in a specific story of the multi-story structures, the other stories of the structure can be released from the energy dissipation, by the reason of this, the seismic performsnce of the multi-story structures having a specific story of the energy dissipation clearly would be improved. We investigated the earthquake response for the multi-mass shear structure placing the damage concentrated story, which have the small amounts of stiffness and the hysteretic damper. The results gave us clear that in case where the lower story of the multi-mass shear structure is the damage concentrated story has the more effects on the seismic performsnce improvement, and in case where the damage concentrated story has large shear-deformation capacity, the structures having a damage concentrated story have the more effects on the retrofit schemes of existing buildings resulting the mid-story collapse damage.
一般社団法人日本建築学会の論文
2001-03-20