Seismic Behavior of Hybrid System with Corrugated Steel Shear Panel and RC Frame

Abstract eng:
This research aims to propose an economical seismic response controlling system of RC frames using corrugated steel shear panels (CSSP). This hybrid system was originally proposed by Mo and Perng in 2000. In this study, their system was revised and new hybrid system was proposed to prove that the shear capacity and stiffness of CSSPs can be fully utilized if sufficient anchorage is provided. In an experimental phase, a stud-type anchorage often used in bridge box girders was employed. The behavior was stable if the number of studs satisfied the Japanese design guidelines. The behavior after buckling of CSSP was ductile and degradation in lateral load carrying capacity was about 20% even at 5% story drift angle. However, even specimens with half number of studs showed the similar behavior. All hybrid frames showed more than 30% increase in lateral load carrying capacity as originally designed. In an analytical phase, the analytical model proposed well simulated the behaviors of frames with different anchorage of the shear panels, considering the effective area of CSSP which carries the lateral load. The analytical result showed that CSSP carries more than 90% of its shear capacity even if the panel has the half number of studs determined by the design guidelines. This study proved that CSSP has a potential to make a main structural component to carry lateral load. The use of CSSP in building structures has just begun in Japan.

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