高性能極軟鋼せん断パネルダンパーの開発と低サイクル疲労性能に関する研究

Abstract

A high ductility performance of low-yield-strength steel shear panel damper (LYSPD) was developed in this research. The low cycle fatigue strength of the developed damper was also verified experimentally. The largest deformation capacity of 70% shear strain was achieved by improving on panel supporting, link length, panel shapes, and rib shapes. Static and dynamic low-cycle fatigue performances of LYSPD were also investigated here. The degradation of the peak force for cycle numbers was observed in dynamic tests, which is different from the static experiment. The characteristics of LYSPD affected by temperature must be taken into consideration for the damper design.