- Inelastic Earthquake Analysis of Steel Moment Frames in Santa Monica(II) - Prediction of Joint Damage -
- ㆍ 저자명
- 김기동,유철수,Kim. Kee-Dong,Yu. Chul-Soo
- ㆍ 간행물명
- 韓國鋼構造學會誌
- ㆍ 권/호정보
- 1995년|7권 3호|pp.169-177 (9 pages)
- ㆍ 발행정보
- 한국강구조학회
- ㆍ 파일정보
- 정기간행물| PDF텍스트
- ㆍ 주제분야
- 기타
In a companion paper (Kim 1995), the results of a brief study examining the effects of various modeling assumptions on the predicted inelastic response of steel moment frames have been presented. In the present paper, analytical studies were conducted to investigate the predicted response of a six story steel moment frame building under the 1994 Northridge Earthquake. A principal objective of the study was to determine if the damage observed in this building was in any way predictable by structural analysis, and if structural analysis could be used as a tool to guide building inspections. The results of two-dimensional inelastic analysis showed some degree of correlation between the predicted structural response and the damage observed at the joints. There were also numerous exceptions to this trend. Nonetheless, the results of this study suggest that an inelastic structural analysis could have been used as a useful guide for inspecting this building. It appears that the chances of locating a damaged joint would be increased by first inspecting joints with the highest predicted beam plastic rotations. For joints with similar levels of beam plastic rotation, the chances of locating a damaged joint would be increased by first inspecting the joints for the heaviest beams. The inelastic analysis indicates that the maximum beam plastic rotations experienced in this building during the Northridge Earthquake were on the order of 0. 01 rad. These rather modest inelastic deformation demands suggest that the moment frame joints performed quite poorly.