| Title |
Progressive Collapse Resistant Design to Meet Target Reliability Index using Energy Demand |
| Authors |
Park Jun-Hee ; Kim Jin-Koo |
| Keywords |
Progressive Collapse ; Reliability Index ; Nonlinear Analysis ; Energy-based Design |
| Abstract |
In this study energy-based design method was developed to prevent progressive collapse caused by sudden loss of a first story column. To consider the uncertainty associated with properties of design variables, a resistance factor was computed in such a way that the response of the model structure satisfies the target reliability index. According to the analysis results the maximum deflections of the three-story model structures designed with conventional design procedure exceeded the given performance limit states, whereas those of the structures designed with the proposed method satisfied the limit states. It was observed that in the nine and fifteen story structures designed by conventional design method, which have higher redundancy, satisfied the given limit state and the reliability index. |