抄録
In order to avoid failure of structural elements, a new approach separating energy-dissipating functions from the load-carrying functions becomes popular. Conformity to this, a multi-story structural system composed of pin-jointed RC frame and passive response control devices is proposed in this paper. Story collapse caused by bending failure of continuous columns is serious problem in this structure. The purpose of this study is to clarify the conditions of structural elements required to avoid story collapse by dynamic inelastic analyses. As a result, the behavior of this structure under a large earthquake motion is greatly dependent on pairing of device characteristics that is restoring force characteristic and strength distribution. Based on this result. optimum strength distribution is found by trial-and-error method which is determining strength distribution so that each story drift is as much as the others when earthquake motion is inputted to series-connected devices, and it is confirmed that Optimum strength distribution is effective in avoiding story collapse.
