A hysteretic damper installed in a K-braced frame using low yield stress steel was proposed by the authors. To investigate the mechanism, restoring force characteristics and energy absorbing capacity of the proposed K-braced frame, a lot of loading tests and numerical analyses were performed. From these results, the proposed K-braced frame was found out to be effective as a damping device. In this paper, a seismic design procedure for tall buildings, where the hysteretic dampers are installed in lower stories, is proposed, and followed by seismic response analyses to investigate optimum design parameters of the tall buildings.
