RC造ピロティ建物の制振補強手法に関する基礎的研究

概要

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The first story collapse of R/C building with soft first story is one of the characteristic damage by the Hyogoken-Nanbu Earthquake. A large deformation occurs in the soft first story which almost absorbs input energy, and to control the large deformation is neccessary. In this paper, the seismic response control method for R/C building with soft first story is proposed, where it is thought that the presentation of seismic response control criteria for SDOF, which has a general characteristics, is simple and useful. This paper deals with the comparison of the equivalent SDOF and the R/C building with soft first story. As a result, it is shown that maximum deformation of both R/C building with hysteresis damper and the equivalent SDOF with hysteresis damper approximately has a good relation. The proposed estimation method of requisite damper strength will be applied to R/C building with soft first story.
一般社団法人日本建築学会の論文
2002-03-20